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Why does my odometer stop working on my Chevy?

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Why does my odometer stop working on my Chevy?

If your odometer stops working in your Chevrolet, it may be due to a couple reasons. Depending upon the year and model of your vehicle, the fix may be something you can do or something you may need to take to your dealership for repair. If neither of these indicators is working, then the problem may lie within the speed sensor on your vehicle.

How can I repair the odometer on my car?

Disconnect the negative cable from your car’s battery. Using a flat head screwdriver, gently pry the gasket around the edge of the face of your speedometer gauge away from the dash and remove the gasket. Pull the entire speedometer gauge out of the dash; be careful not to disconnect the connecting electrical wires when doing this.

Is there an odometer for a 1953 Corvette?

We also have Corvette odometers for 1953 to 1983 Corvette speedometer repair for sale and worms gears. Call 1-800-572-2880 for help selecting and ordering those. Odometer may count the mileage incorrectly if the tire size is changed.

What kind of odometer does a car have?

The odometer shows the mileage of the car and may be a electronic digital odometer or a mechanical odometer. Many cars have an additional odometer that can be reset called a trip odometer. Federal law makes it a crime to tamper with the odometer reading of a car with the intent to defraud.

If your odometer stops working in your Chevrolet, it may be due to a couple reasons. Depending upon the year and model of your vehicle, the fix may be something you can do or something you may need to take to your dealership for repair. If neither of these indicators is working, then the problem may lie within the speed sensor on your vehicle.

How to repair Chevy / GM Silverado speedometer, replacing?

How To Repair Chevy / GM Silverado Speedometer, Replacing Stepper Motor for Gauge Cluster fix. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

How long does it take to repair a Chevy instrument cluster?

If so, we offer a 1-Business day… This instrument cluster repair service is for a 2007 through 2013 Chevrolet, gas and diesel engines, with a dim or completely darkened gear level indicator (PRNDL), Driver Information Center (DIC). This repair is for Chevy…

Why are the dashboard lights on my Chevy not working?

If the dashboard lights in your Chevy are dim, chances are you can fix it yourself. If it’s light out, make sure that the headlights aren’t turned on. Many headlights often dim the dash automatically when they’re switched on, so this might be the cause of the problem. If that’s not it, look for the dimmer switch.

Why are the lights on my car not working?

If the switch, fuses, and bulbs are not to blame, you likely have a wiring or electrical issue and will need to take your vehicle to a certified mechanic for diagnosis and repairs.

What to do if your light switch wont work?

If adjusting the switch doesn’t work, you may have a blown fuse or bad lightbulb. Or, the entire switch may be faulty, in which case, have it replaced by a certified mechanic. Turn off your headlights and vehicle when you’re done.

What would cause the odometer light to go out?

It sounds like the instrument cluster i.e the odometer display may be wearing out. If you are only talking about the illumination for the odometer at night, then that may just be bulb that is getting old. Thanks for taking the time to respond.

Why is the odometer on my GM Truck not working?

A common fault on ’99 – ’02 GM trucks was the permanent or intermittent failing of the odometer/gear select LCD. This meant that you were unable to see what gear you were currently in, unable to determine the mileage of the vehicle, and unable to use the trip computer.

Where is the odometer located on a Chevy?

The odometer is part of the instrument panel and connected to the speedometer. It is used to determine distance traveled and due to previous problems with individuals and dealerships disconnecting the odometer, it is a federal offense to tamper with it.

Why are my interior lights not turning off?

I had two wires get too hot and they melted together. One of the wires was a 12v constant and the other one, I am guessing, controlled the inside lights…it took forever to figure out what was going on. I would check your wiring and make sure you dont have any wires touching that should not be touching. Electrical issues suck.

How do you remove the odometer from a Chevy Blazer?

It is very simple, just remove the cluster and find a bad solder on the wire going to the odometer/gear selector display. (Most likely going to be the top wire/solder that is broken as shown in the video) This applies to 1998, 1999, 2000, 2001, 2002, 2003, and 2004 Chevy s10, Blazer, and Silverado trucks (Sonoma, Jimmy, Sierra).

How to fix non working odometer and gear selector display?

Here is how you fix a non working odometer and gear selector display (PRND321). It is very simple, just remove the cluster and find a bad solder on the wire going to the odometer/gear selector display.

What to do if your speedometer doesn’t work?

Replacing the bad speed sensor will solve this issue. Also, if speedometer in your Chevy stops working or reads erratically, test the cruise control out. The cruise control uses the same sensors as your speedometer. If the cruise is working and the check engine light is on, the problem is likely with the speedometer itself.

Is there a freight charge on a Chevy Tahoe?

The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Chevrolet destination freight charges.

Why is my speedometer not working on my Chevy Trailblazer?

Your Chevrolet’s speedometer gives important readings about your current speed. If you are experiencing problems with yours, don’t fret — these issues are common and easily fixed (usually). In fact, TrailBlazer speedometer problems are one of the most common topics discussed on popular Chevy online forums.

Who is the owner of the 2005 Colorado?

2005 Chevrolet Colorado Owner ManualM GENERAL MOTORS, GM, the GM Emblem, CHEVROLET, the CHEVROLET Emblem, and the name COLORADO are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice.

What kind of gas mileage does Chevy Colorado get?

EPA-estimated 18 MPG city/25 highway for Colorado 2WD with available 3.6L V6 engine and automatic transmission. 2WD diesel models. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner’s Manual.

What kind of warranty does Chevy Colorado have?

Colorado offers dozens of accessories to fit your truck for whatever you’re passionate about. Shown with GM Accessories that are not covered by the GM New Vehicle Limited Warranty. From added features for increased off-road capability to dramatic or refined accessories, the Colorado Special Edition lineup lets you make an individual statement.

Where was the 2005 Chevy Colorado last serviced?

Mileage: 136,541 miles Body Type: Pickup Color: Green Engine: 5 Cyl 3.5 L Accident reported. Purchased on 09/17/04 and owned in GA until 05/25/21. Personal Use vehicle. Last serviced at 102,703 miles in Chanhassen, MN on 05/28/19 • Vehicle serviced • Oil and filter changed.

What’s the price of a 2005 Chevy Colorado?

The original MSRP of the 2005 Chevrolet Colorado is from $15,730 to $29,185. The data above is updated daily, based on used car inventory for sale on CARFAX for the last five model years of this car.

How many miles does a Chevy Colorado have?

Mileage: 174,735 miles Body Type: Pickup Color: Black Engine: 5 Cyl 3.5 L Accident reported: moderate damage. Purchased on 12/31/04 and owned in GA until 05/13/21. Driven an estimated 10,821 miles/year.

Replacing the bad speed sensor will solve this issue. Also, if speedometer in your Chevy stops working or reads erratically, test the cruise control out. The cruise control uses the same sensors as your speedometer. If the cruise is working and the check engine light is on, the problem is likely with the speedometer itself.

Your Chevrolet’s speedometer gives important readings about your current speed. If you are experiencing problems with yours, don’t fret — these issues are common and easily fixed (usually). In fact, TrailBlazer speedometer problems are one of the most common topics discussed on popular Chevy online forums.

Where is the VSS sensor on a GM Truck?

To change the ratio on an 89 a reduction box was used on the speedometer cable at the trans or transfer case. I believe 1992 was the first year GM used a DRAC in the trucks. The 89 still used a speedo cable and the vss sensor was located in the speedo head.

To change the ratio on an 89 a reduction box was used on the speedometer cable at the trans or transfer case. I believe 1992 was the first year GM used a DRAC in the trucks. The 89 still used a speedo cable and the vss sensor was located in the speedo head.

What’s the problem with the odometer on my GMC Sierra 1500?

Thanks for those who helped. I just wanted to add the I have the same problem on my 2004 GMC Sierra 1500. Sometimes, it behaves normally but it usually goes back to scrolling through language settings. Also, it sometime lands on one view selection (odometer, trip mileage, hours, et cetera) in the incorrect language.

Is there a problem with the odometer reset?

I’ve tried pressing the odometer reset stem but get no change. I thought maybe the odometer reset switch was stuck so I pulled the cluster and ohmed out the switch, no problems there. When I plugged the cluster back in the odometer briefly displayed the mileage and hours before permanently going back to the language mode.

Why are all the gauges on my GM Truck not working?

Last night I was comin home from the store and realized my speedometer wasn’t working (ins’t the first time) so i hit the dash, then realized NONE of the gauges were working.. Gas gauge, almost empty. Water temp, cold. No oil pressure. The alt wasn’t charging. No tac and no speedometer.

What happens if the speedometer on my Chevy Silverado fails?

If the speedometer failed and the vehicle is within 7 years had less than 70,000 miles on it, upon proper proof of claim GM will reimburse the cost of repairs (parts and labor) up to the limit of what a GM dealership would have charged.

Thanks for those who helped. I just wanted to add the I have the same problem on my 2004 GMC Sierra 1500. Sometimes, it behaves normally but it usually goes back to scrolling through language settings. Also, it sometime lands on one view selection (odometer, trip mileage, hours, et cetera) in the incorrect language.

What to do if your computer has an odometer issue?

Here’s what you need to do to reset the cluster: 1. Disconnect battery terminal 2. Unplug electrical connector on the back of the cluster 3. Re-connect the electrical connector on the back of the cluster 4. Re-connect battery terminal It should now be in the default state. Of course, this only addresses the language scrolling issue.

What does the speedometer show on a Cheverolet suburban?

Speedometer shows 100 mph while going 20 and low speeds when on hiway, etc. (2000, Cheverolet Suburban, 1500, Ltd.) Panel lights flickered, all gauges were rapidly fluctuating, then they all stopped, then came back on, then stopped, etc. for just a few miles (to get home). Once home, Suburban wouldn’t even start until the panel was disconnected.

What was the problem with my Cheverolet suburban?

(2000, Cheverolet Suburban, 1500, Ltd.) Panel lights flickered, all gauges were rapidly fluctuating, then they all stopped, then came back on, then stopped, etc. for just a few miles (to get home). Once home, Suburban wouldn’t even start until the panel was disconnected. Once the panel was disconnected, everything else worked fine again.

What was the problem with my GM speedometer?

Speedometer started to act erratically then failed completely. Searched the internet and discovered this was a common problem on certain GM vehicles. Removed instrument cluster (10 minute job) and took to a repair shop.

Speedometer shows 100 mph while going 20 and low speeds when on hiway, etc. (2000, Cheverolet Suburban, 1500, Ltd.) Panel lights flickered, all gauges were rapidly fluctuating, then they all stopped, then came back on, then stopped, etc. for just a few miles (to get home). Once home, Suburban wouldn’t even start until the panel was disconnected.

What kind of car is a 2000 Chevy Suburban?

Consumer Ratings Rank Vehicles HP #2 2005 BMW X5 315 #3 2006 Ford Expedition 300 #4 2005 GMC Envoy 300 #11 2000 Chevrolet Suburban 1500 285

(2000, Cheverolet Suburban, 1500, Ltd.) Panel lights flickered, all gauges were rapidly fluctuating, then they all stopped, then came back on, then stopped, etc. for just a few miles (to get home). Once home, Suburban wouldn’t even start until the panel was disconnected. Once the panel was disconnected, everything else worked fine again.

How many miles does a 2000 Chevy Silverado get?

Mileage: 190,292 miles Body Type: Pickup Color: Black Engine: 8 Cyl 5.3 L Description: Used 2000 Chevrolet Silverado 1500 LS with 4WD, Trailer Wiring, Tinted Windows, Tow Hooks, Independent Suspension, Rear Bench Seat, and Front Stabilizer Bar 2000 Chevrolet Silverado 1500 LT 16 Photos

What does it mean when your speedometer is not working?

If the cruise is working and the check engine light is on, the problem is likely with the speedometer itself. Also keep in mind that anytime a warning light comes on, your ECM should be scanned right away as this might indicate a very serious problem.

Are there any problems with the GM gauge clusters?

The next most common problem seen on GM instrument clusters are failing digital displays. This problem is unrelated to the stepper motor problem but is often seen in the same clusters. Most GM gauge clusters of this time frame have two digital displays – the odometer and the gear indicator (commonly called the PRNDL screen).

Why is my speedometer stuck on my GM Silverado?

This section will outline all the most common problems that have been identified. The most common instrument cluster problem seen on the 03-06 GMs is faulty analog gauges. This is usually the first gauge problem the vehicle owner sees and is experienced as a stuck, sticky or jumpy gauge needle.

How do you remove an instrument cluster on a Chevy Silverado?

GM instrument cluster removal is pretty straight forward on most GMs of this era. The basic process is to simply remove the plastic trim panels that surround the cluster, they typically pop off although some will have 1/4″ screws in various locations but all can be located by eye with a careful inspection.

The next most common problem seen on GM instrument clusters are failing digital displays. This problem is unrelated to the stepper motor problem but is often seen in the same clusters. Most GM gauge clusters of this time frame have two digital displays – the odometer and the gear indicator (commonly called the PRNDL screen).

What kind of display does a GM speedometer have?

Most GM gauge clusters of this time frame have two digital displays – the odometer and the gear indicator (commonly called the PRNDL screen). Either one or both screen will typically be affected. This common issue is not actually a problem with the digital displays themselves as they seem to be quite reliable. 1. Dim, Dark or Dead Display

This section will outline all the most common problems that have been identified. The most common instrument cluster problem seen on the 03-06 GMs is faulty analog gauges. This is usually the first gauge problem the vehicle owner sees and is experienced as a stuck, sticky or jumpy gauge needle.

Is there an issue with the odometer on my Silverado?

The issue is, I can not get the mileage to display. The only display I get is “Language:” and it constantly cycles between French, Spanish and English. I do not have the DIC type. I’ve tried pressing the odometer reset stem but get no change.

Why is my odometer and message center not working?

If both the odometer and message center are not working, the problem is likely to be a fuse (both of these displays share the same fuse.)

It is very simple, just remove the cluster and find a bad solder on the wire going to the odometer/gear selector display. (Most likely going to be the top wire/solder that is broken as shown in the video) This applies to 1998, 1999, 2000, 2001, 2002, 2003, and 2004 Chevy s10, Blazer, and Silverado trucks (Sonoma, Jimmy, Sierra).

Here is how you fix a non working odometer and gear selector display (PRND321). It is very simple, just remove the cluster and find a bad solder on the wire going to the odometer/gear selector display.

If the cruise is working and the check engine light is on, the problem is likely with the speedometer itself. Also keep in mind that anytime a warning light comes on, your ECM should be scanned right away as this might indicate a very serious problem.

Why is the speedometer on my Chevy Silverado not working?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My Speedometer Working? What are common reasons my Chevrolet Silverado 1500 has a speedometer that doesn’t work?

Why does the speedometer not show 100 mph?

The only thing it shows is the engine light gas gauge and other instrument gauges not working. They bounce all over the place Speedometer shows 100 mph while going 20 and low speeds when on hiway, etc.

What to do if your dash light does not work?

#Test the dashboard light bulbs. If the fuses are working properly, check for a blown bulb in the dashboard. Following the manufacturer’s instructions, disconnect the battery while working on the dash, remove the faceplate covering your vehicle’s dashboard gauge panel. Remove the screws holding the plate on. Carefully remove the faceplate.

How do you repair an odometer on a car?

Lining up the pins of the stepper motors with their corresponding sockets on the PCB, push the board back onto the instrument cluster. Put pressure on the back of where the stepper motors are (see photo). Replace the back plastic cover of the instrument cluster, ensuring all clips are secured.

How to fix a PRNDL light on a GMC Truck?

To fix this problem, remove the cluster from the vehicle. Then remove the instrument cluster housings, see the most current repair information for the vehicle you are working on. . Inspect the PC solder joints (circled area) carefully with a magnifying glass. Lookin for cracks in the solder at the top or bottom.

Are there dash lights on a 2012 Tahoe?

I have dash lights but no… Had the same problem with my 2012 Tahoe. No speedometer, odometer, temp, compass, or shift indicator, just dashes in place of letters or numbers. Tried first to just stop and restart but didn’t fix the problem.

To fix this problem, remove the cluster from the vehicle. Then remove the instrument cluster housings, see the most current repair information for the vehicle you are working on. . Inspect the PC solder joints (circled area) carefully with a magnifying glass. Lookin for cracks in the solder at the top or bottom.

Lining up the pins of the stepper motors with their corresponding sockets on the PCB, push the board back onto the instrument cluster. Put pressure on the back of where the stepper motors are (see photo). Replace the back plastic cover of the instrument cluster, ensuring all clips are secured.

Why are the headlights not working on my Chevy?

A wiring issue will require a check of wires with a multimeter with the help of your vehicle’s schematics. Only the low-beams or high-beams work: If your headlights both work but only when the low-beams or high-beams are on, the problem is likely with the dimmer switch.

Why is my Cluster gauge on my Tahoe Yukon not working?

After a little research it turned out to be a common problem where the seven little surface mount resitors that power the display overheat and break the solder connections. It was simple to reflow the solder with a little flux and a drop of fresh solder.

Why are my Chevy Trailblazer lights not working?

Still, headlight problems are no problem with the right information. Whether your Chevy TrailBlazer lights aren’t working, or your Chevy Corvette, the following diagnostic process will help you figure out why your Chevy’s headlights aren’t working.

Why are the lights on my Chevy Tahoe not working?

The headlight switch used on the Chevrolet Tahoe is known to fail through normal operation. Since the headlight switch is also integrated into the interior lights, a malfunctioning switch can cause issues with interior lights as well. Symptoms of a failed headlight switch include:

Why are the dashboard lights dim in my Chevy?

If the dashboard lights in your Chevy are dim, chances are you can fix it yourself. If it’s light out, make sure that the headlights aren’t turned on. Many headlights often dim the dash automatically when they’re switched on, so this might be the cause of the problem.

Why are my dash lights not turning on?

Many headlights often dim the dash automatically when they’re switched on, so this might be the cause of the problem. If that’s not it, look for the dimmer switch. This switch adjusts how bright the dash lights are. If you accidentally bumped it, you may have turned the light levels down without noticing it.

What happens when the dash lights go off in a GMC Yukon?

It does not go completely black instantly. It ‘dims’ similar to the way the dimmer switch would, slowly, and usually ends up the way the dimmer would be if it was all the way to the bottom, where everything is almost completely black. The only thing i can barely see is the gear selector shows very dimly.

Why does my odometer go back to language mode?

When I plugged the cluster back in the odometer briefly displayed the mileage and hours before permanently going back to the language mode. Has anyone heard of this? I’m guessing its time to get a rebuilt cluster but thought I should ask for advise first.

What happens to the speedometer on a Chevy Silverado?

Has the speedometer on your Chevy Silverado stopped telling you your actual speed? Does it get to zero and get stuck, then suddenly tell you you’re going 80 when you know you’re only going 20?

What to do if your speedometer is not working?

We will also repair a dim/dead PRNDL screen or odometer screen, an odometer screen that constantly scrolls through the language menus, or one that shows ERROR instead of showing your miles. Also if your battery is draining down due to a problem with the gauge cluster we will fix that as well.

How to repair the odometer on a Chevy Avalanche?

In this Instructable, I will show you how to repair odometer/gear select (PRND321) LCD on your GM truck. In this case, mine is a ’02 Chevrolet Avalanche but this should apply to all GMT 800 series trucks within this age range. A common fault on ’99 – ’02 GM trucks was the permanent or intermittent failing of the odometer/gear select LCD.

How to repair the odometer on a GMC PRND321?

The instrument cluster is held in place by four (4) 7mm hex screws, one in each corner. Remove these. Tilt the instrument cluster forward carefully, and unlatch the large wire harness on the back. The instrument panel can now be removed. Remove the black panel on the back by loosening the clips.

In this Instructable, I will show you how to repair odometer/gear select (PRND321) LCD on your GM truck. In this case, mine is a ’02 Chevrolet Avalanche but this should apply to all GMT 800 series trucks within this age range. A common fault on ’99 – ’02 GM trucks was the permanent or intermittent failing of the odometer/gear select LCD.

The instrument cluster is held in place by four (4) 7mm hex screws, one in each corner. Remove these. Tilt the instrument cluster forward carefully, and unlatch the large wire harness on the back. The instrument panel can now be removed. Remove the black panel on the back by loosening the clips.

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Isn’t My Speedometer Working? What are common reasons my Chevrolet Silverado 2500 HD has a speedometer that doesn’t work?

Why is my speedometer not working on my Silverado?

I bet they plugged in the speed sensor connectors to the wrong speed sensors. They easily reach each other, and can easily of been swapped, Been there done that, and got a t-shirt.. ^^^^There is the best answer you will find on this site.

Can a Chevy Silverado 1500 qualify for dr.speedometer?

Unfortunately, not many Chevy Silverados qualify these days. Fortunately, at Dr. Speedometer, we have taken what we learned from our own experience to help out other GM owners. In fact, it was a Chevrolet Silverado 1500 that inspired Fred, the founder and main mechanic here, to start servicing GM instrument clusters in the first place!

I bet they plugged in the speed sensor connectors to the wrong speed sensors. They easily reach each other, and can easily of been swapped, Been there done that, and got a t-shirt.. ^^^^There is the best answer you will find on this site.

Are there any problems with my Chevy Silverado?

2003-2006 Chevy Silverados (and GMC Sierras and many other GM models ) suffer from the common GM instrument cluster failure syndrome. During these years, the motors used in many GM vehicles were not quite up to scratch and many have started to fail in recent years.

How does a speedometer work on a VW?

A speedometer is a valuable instrument that shows the driver real time readings of the speeds of their Volkswagen. While most modern VW’s use speed sensors to determine speed, some older vehicles used gears and wires for the speed reading.

Where is the speedometer sensor on a car?

The speedometer sensor is located inside the transmission and attached to a driveshaft, which impacts multiple functions of the car. Due to this fact, it’s possible that the Check Engine Light will light up on the dashboard if a sensor problem is discovered by the vehicle’s CPU.

What does it mean when gauges in your car stop working?

But when the gauges in your car stop working, it’s not a situation you can safely ignore. When one gauge stops working, the problem may be in the gauge itself or a bad sensor, while all the gauges cutting out at the same time often indicates a blown fuse or a defective instrument cluster.

If the oil pressure, coolant, charge, or gas gauge doesn’t work or works erratically, the problem is in the gauge, wiring, or sender. Speedometers are unique in that some of them use physical cables instead of sensors, so a speedometer not working can also indicate a broken cable or stripped gear.

What to do if your coolant gauge is not working?

Using your coolant temperature gauge as an example, the diagnostic procedure involves locating and disconnecting the sending unit. With the ignition on, the gauge should register cold. If you connect the sending unit wire to ground, the gauge should switch to read hot.

But when the gauges in your car stop working, it’s not a situation you can safely ignore. When one gauge stops working, the problem may be in the gauge itself or a bad sensor, while all the gauges cutting out at the same time often indicates a blown fuse or a defective instrument cluster.

If the oil pressure, coolant, charge, or gas gauge doesn’t work or works erratically, the problem is in the gauge, wiring, or sender. Speedometers are unique in that some of them use physical cables instead of sensors, so a speedometer not working can also indicate a broken cable or stripped gear.

Using your coolant temperature gauge as an example, the diagnostic procedure involves locating and disconnecting the sending unit. With the ignition on, the gauge should register cold. If you connect the sending unit wire to ground, the gauge should switch to read hot.

Do you have to reset the odometer when you change an engine?

In case, you opt for manually resetting the odometer; you would have to face legal charges. This is because the engine change status needs to be documented and the mileage change should be calculated and presented. If none of that happens, you would have to bear the dire consequences that follow.

How does the odometer affect the mileage of the car?

An odometer is all about the distance that your vehicle travels since you bought it from a dealer. It is not the engine alone that manipulates the odometer readings. On the contrary, the entire mechanical block does! In simpler words, the odometer signifies the mileage of the whole car and not just the engine.

Why does my GM Truck shut down while driving?

At a dead stop. It would crank over, but not start. Ran the battery dead trying to crank it. My dad came to help, charged the battery, and it started right up. It sounds wierd but this is what its doing.

Can a bad ECM cause a car to not start?

Of course, there are other reasons a car may not start, including a bad starter or a blown alternator. If you’ve replaced these parts and your car won’t start, your ECM is the most likely cause. Once again, you’ll need to take your car to a mechanic to be sure.

What causes an engine to shut off while driving?

Had a similar situation (just shut off while driving) on mine that turned out to be a broken wire to the crankshaft position sensor (CKP). Diagnosis started by pulling codes and finding a CKP code, so I would almost certainly start by pulling codes.

What causes a car to start but not keep running?

The engine requires the right amount of air and fuel to mix together for ignition. If there is a fuel leak somewhere, then the correct amount of fuel may not make it to the combustion chamber. This might be enough to allow the engine to start, but not keep running.

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Ruth Doyle