Why does my Chevy Blazer not go over 20 mph?

Won’t go over 20 mph. Starts right up. New plugs and wires. Never really cuts off. Runs hot but not extremely. Mass air flow is usually an intermitant problem. This sounds more like a stopped up catylist converter. take the cat off and run it, see if it gets hot, most likely that will be the problem]

What causes hesitation and surging on Blazer 4.3L?

Fix Hesitation and surging on Blazer 4.3L If you have Hesitation and surging on Blazer 4.3L and it’s driving like a dog—poor acceleration, hesitation, or a surge and you suspect a fuel problem, you may be partially right.

Why is my Blazer 4.3L driving like a dog?

If you have Hesitation and surging on Blazer 4.3L and it’s driving like a dog—poor acceleration, hesitation, or a surge and you suspect a fuel problem, you may be partially right. But before you start replacing really expensive components like the fuel pump, try this: Disconnect the electrical connector to the MAF sensor and take it for a drive.

Why does my Chevy Blazer engine bog down when I hit the gas?

Take it to a good local mechanic (not a dealer) and see if this is one problem. My Blazer bogs down when you hit the gas and has trouble starting. We have replaced the MAF sensor, plugs, rotor, cap, plug wires, and fuel filter. The fuel pressure is at 50psi when idling and 64 wot when driving.

When does a 2001 Blazer start to bog down?

I have a 2001 Blazer, last week as I was climbing a hill I attempted to accelerate and heard a “pop” and my engine started to bog down. Over this last week the bogging down has got progressively worse but only happens when you attempt to accelerate.

What is the engine code on a Chevy Blazer?

Initially the code was p0171. Now that we cleared it it hasn’t come back on. Pulled O2 sensor to relieve back pressure and there was no change. Cleaned connections on battery. On scanner TPS checks good ( 0-100%).

How to troubleshoot a Chevy 4.3 engine?

1 Common Problems. A common complaint with the Chevy 4.3 engine is that it doesn’t idle well, it’s loud and makes awkward noises. 2 Idle Air Control Valve and Throttle Conrtol Switch. Open up the hood and look at all the wires, spark plugs, tubes, vacuum lines and valves. 3 Check Your Oil. 4 Vehicle Fuilds. …

What should the RPM be on a Chevy Blazer?

In addition, anytime you hit the gas to accelerate the RPM gauge suddenly shoots up to 3.5 and shoots back down to 2, and keeps going up and down until you let off of the gas. My first test would be with a vacume gauge. If the vacume is good it should hold between 25 and 29 at idle.

What’s the fuel pressure on a Chevy Blazer?

My Blazer bogs down when you hit the gas and has trouble starting. We have replaced the MAF sensor, plugs, rotor, cap, plug wires, and fuel filter. The fuel pressure is at 50psi when idling and 64 wot when driving. Can we have pressure without flow? Initially the code was p0171. Now that we cleared it it hasn’t come back on.

What are the grades at Blazier elementary school?

The original building now serves as the Primary Site for grades K-3 while the newly built Intermediate Site serves grades 4-6. This new build is the first phase of a strategic plan to provide additional capacity for the growing Blazier community and to expand Blazier Elementary to a Pre-K through 8th grade campus.

Is the new Chevy Blazer a good car?

Finally, after decades, the Chevy Blazer is back! However, unlike the return of other classics such as the Ford Bronco, the new Chevy Blazer is a letdown. It has a variety of issues that are disappointing fans. Check out a few of the most prevalent complaints.

Where is the po300 code on a Chevy Blazer?

Or PO300 (Random/Multiple Cylinder Misfire) code. Both of these problems have symptoms you’ve described. The first (Mass Air Flow) is located on the air breather intake (looks like a honey Comb). If not that code then your problem is most likely the cheap plastic distributor that GM installed for that year.

What should I do if my car wont warm up when I start it?

Turn on the car’s ignition and let the engine warm up. While the engine is warming, make sure it deactivates the choke linkage. Then, using insulated plug wire pliers take out the wires from the plugged location. During the process, if the engine’s speed doesn’t drop, it clearly indicates a problem with a spark plug or wire.

What causes a misfire after a warm up?

Misfire After Warm Up: Misfire After Warm Up. Runs Great When Cold… Misfire after warm up. Runs great when cold. Has new engine new plugs wires injectors when starts misfiring can shut down start back up and runs fine until a few minutes then starts again. have the same problem? This sounds like you have an intake valve that is leaking.

Does your S10 jerk / Buck at steady speed / RPM?

Does your s10 jerk/buck at steady speed/rpm, let’s fix this togheter! Not open for further replies. I’m a member of many s10 forums, and these days they are flooding with members that has the intermitent jerk/buck at steady speed/rpm problem.

Are there any problems with the Chevy Blazer?

7 Known Chevrolet Blazer Drive Train Problems. The transmission output shaft seal may leak transmission fluid. The front or rear differential may develop an abnormal noise due to worn bearings or another internal fault. A fluid leak may develop from the transmission output shaft seal.

How to do throttle body re-Learn Chevy Malibu?

1) Start the engine and let it idle in park for 3 minutes. During that period the idle may be higher idle than normal. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds. 3) Start the engine again and let it idle in park for 3 minutes one more time. During these run periods you may see a check engine light.

How do you change the idle speed on a T-30?

Insert a T-30 size Torx driver into the Idle adjustment screw that is located behind the plug removed earlier. Turn the screw to adjust the idle speed to 650 RPM +/- 50 RPM. Turn off the engine and disconnect the negative battery terminal from the battery using a wrench. Reconnect the IAC valve.

What makes a Chevy Trailblazer run too rough?

If an oxygen sensor goes bad, it can make your Trailblazer run too lean (or rich). A super lean running engine will often idle rough. The fuel injection systems job is to atomize the fuel into fine mist.

Why are the spark plugs on my trailblazer not working?

Spark Plugs – One of the absolute most common causes (if not the most common reason that your Trailblazer may be misfiring) is the spark plugs. Although most modern vehicles use iridium spark plugs, they still need to be changed at the manufacturers recommended interval.

What causes a Chevy Colorado to rough idle?

When one or more of these variables is off it can lead to a rough idling condition. Most of the time the culprit is going to be the ignition system, although there are a myriad of other causes.

Why is the air filter on my trailblazer not working?

If you have reason to suspect that your Trailblazer’s air filter has not been changed in a very long time, or if you have recently been driving in tough conditions, it may be worth taking a look at it. It could be so clogged that there is not enough air getting through for quality idle conditions.

What causes acceleration in a 97 Chevy Blazer?

97 chevy blazer 4.3 idles great but upon acceleration it starts to surge, changed just about everything, fuel pump,cap rotor, wires, plugs distributor injectors, crankshaft, cam, throttle pos. sensor, tried new computer, at a loss starts right up and idles great, take in down the road and starts surging. Exhaust?

Why are the windows on my 97 Blazer not working?

I have a 97 S-10 Blazer with 60k that has an intermittent elcectrical issue with the blower motor and windows not working. The ABS and brake light flash on and off across the dash as if it is doing a systems check while driving the vehicle. At the same time the blower motor stops working and the windows wont work. Now, it wont start at all.

Are there any problems with Chevy Blazer GMC Jimmy?

You may want to try Chevy Blazer GMC Jimmy Electrical Problems. 97 have a known defect in the ignition switch which is the wiring and connector thru the column and that often causes many strange problems.

Why does my 97 Chevy truck not start?

97 Chevy truck won’t start when it gets cold?? When ever it gets cold my truck will not start. Seems to be fuel pressure but can’t smell any gas like it was flooding. It does’nt even fire like it wants to start.

Is there a 2004 Chevy Blazer Xtreme for sale?

Take a look at this rare hard to find 2004 chevrolet blazer xtreme with a clean carfax, yellow with black interior, 88k miles, 17 chrome wheels, security syste…

What kind of engine does a 2004 Chevy Blazer have?

2004 chevy blazer Xtreme with a 350 bored over 40 forged flat top speed propiston forged rods aluminum head 202 valves 64cc chambers480 lift cam 750carburetor 700r4 transmission. Xtreme (rare model) This car was a project me andmy father did, excellent condition, reason for selling is so I can afford to goto my university.

What to post on the Chevy Blazer Forum?

Examples: Member signature threads, photo shoots, videos (that do not fit in other sections), etc. Headlight ideas. Post your vacation driving stories, day at the track, breakdowns, safety issues, driving techniques, unique driving conditions, etc. STREET RACING STORIES ARE STRICTLY PROHIBITED.

Is the 1996 Chevy Blazer a good car?

The 1996 Chevrolet Blazer has not been tested. Like what you see? Find the best deal on a Chevrolet Blazer today. There are for sale near you. Certified child passenger safety technicians conduct hands-on tests of a car’s Latch system and check the vehicle’s ability to accommodate different types of car seats.

What kind of rating does the Chevy Blazer get?

The Blazer received the following grades on a scale of A-F.* * This score may not apply to all trims, especially for vehicles with multiple body styles that affect the space and design of the seating. What is a Bumper-to-Bumper warranty?

What to do if your Chevy Blazer turns over?

If there is spark, then next would be to do a fuel bleed down test by hooking a fuel pressure gauge up to the Schrader Valve, turning the key to the on position letting it build up fuel pressure on the gauge, (should be 56 to 63 lbs) then turning the key to the off position and watch the fuel pressure gauge.

What makes a 2001 Chevy Blazer not start?

Have a 2001 Chevy Blazer have replaced coil fuel pump crank sensor ignition module distribution and button just cranks no start 26 people found this helpful.

Why is the speedometer on my Chevy truck not working?

Inaccurate readings after changes to your Chevy: This is common with truck and SUV owners who change their wheels and tires, but can also happen if the wheel/tire combo is changed on a car. Larger combos, or those with different dimensions, will cause an inaccurate reading and the speedometer must be re-calibrated to regain accuracy.

Do you need to re-contact YourMechanic for more details?

If you have further questions or concerns, do not hesitate to re-contact YourMechanic because we want you to make the most of your repair dollars and help you to get the best possible results. The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

How often do transmission speed sensors need to be replaced?

Upfront and transparent pricing. Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. What is the Transmission Speed Sensor all about?

What are the symptoms of a bad transmission speed sensor?

Symptoms of a Bad or Failing Transmission Speed Sensor. 1 1. Harsh or Improper Shifting. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears 2 2. Cruise Control Does Not Work. 3 3. Check Engine Light Comes On.

What happens when an automatic transmission shifts hard?

An automatic transmission is hydraulically controlled and designed to shift smoothly. When the transmission shifts hard, it can damage internal components including valve bodies, hydraulic lines, and in some cases mechanical gears.

https://www.youtube.com/watch?v=9nKHQLDc8No

Why is my Chevy Suburban bogging down on hard acceleration?

I have a 97 Suburban 5.7, 2wd. On hard acceleration it is bogging down like there is to much air, because sometimes it backfires. Or a plugged exhaust. I replaced the fuel pump-because it was bad in July.

What kind of car is a 1987 Chevy Blazer?

This 1987 Chevrolet Blazer K5 is the right mix of style and substance. After all, this is a full-size 4×4 with an upgraded beefy look and bold paint. Thats part of a solid package that also include…

What kind of engine does a Chevy Blazer have?

1996 Chevy Blazer. 6 cylinder engine. While driving on the highway my Chevrolet Blazers engine just shut off. I pull over, wait a minute, then start the engine and continue down the highway again. A minute later the engine shuts off again. This happens 7 or 8 times.

What kind of acceleration does a Chevy Blazer have?

“Strong acceleration and crisp handling are two of the Blazer’s hallmarks. The V6-powered Blazer we tested sprinted from 0 to 60 mph in 6.6 seconds. That’s quick …more

What kind of gas mileage does Chevy Blazer get?

With its four-cylinder engines, the Blazer gets great gas mileage for a midsize SUV. The Chevrolet Blazer generally delivers a comfortable ride, although opting for the larger wheels can make it a bit harsher.

What kind of ride does the Chevy Blazer have?

The Chevrolet Blazer generally delivers a comfortable ride, although opting for the larger wheels can make it a bit harsher. Handling is relatively sporty, with sharp steering and minimal body roll, and there are selectable drive modes to adjust for different terrain.

Is the Chevy Blazer a good car to buy?

The 2021 Chevrolet Blazer has playful handling and great gas mileage estimates. Its base engine is suitable for city driving, but it’s best to upgrade if you do a lot of highway driving. The ride is typically comfortable, but it can feel a bit harsher in models with larger wheels.

What kind of noise does a Chevy 4.3 make?

by Contributor. A common complaint with the Chevy 4.3 engine is that it doesn’t idle well, it’s loud and makes awkward noises. Examples of this are staling, lurching and poor acceleration. Poor idling and loud engines usually go hand-in-hand.

What causes a Chevy 4.3 engine to stall?

Lack of oil will cause a knocking sound in the engine, stalling, poor acceleration and eventually engine break down. Lack of transmission fluid, battery fluids, radiator and cooling system fluids can all cause symptoms that mimic bad idle air control valves and throttle control switches.

How long does a Chevy 4.3L Vortec engine last?

3 vortec is a very strong and reliable motor, proven by it being the longest lasting production vortec engine. Generally, these engines are extremely capable of lasting up to 300,000 miles.

What to do when your Chevy Blazer wont start?

Aby codes (SES light on) and if so post them. No codes come up until after it happens then it comes up oxygen sensers port 1 and port 2. You can step on the gas and the engine just bogs it has absolutely no power . Put the car in neutral ( while still moving ) count to 3 and restart and have all the power you want.

Why does my 4L60E start in 4th gear?

Car goes into gear but feels very sluggish like the brakes are dragging, but it will roll easily (starts out in 4th gear), you manually shift to 2 to get it moving, once it’s moving you put it back in OD and the car shifts 3rd to 4th on its own and locks the converter at the appropriate time:

What happens if there is no 2nd or 4th gear?

No 2nd or 4th gear. 2-4 band is slipping: Servo seals may be damaged. Otherwise, 2-4 band is worn out. Transmission must be removed and rebuilt. 10. Trans shifts into gear harshly, car feels sluggish off the line, No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are only available gears, CEL is on:

How does the fuel system work on a Chevy Blazer?

Fuel system has a test port on the metal line that requires a special valve to connect and then ckeck the pressure. 60psi min with key on engine off (start pressure) and 54psi running. If those check out then on to electrical/sensors/etc. Any SES light on and codes?

What kind of problems does a Chevy Blazer have?

I have a 1974 Blazer with a 305 in it, I just replaced spark plugs, cap, rotor, wires, fuel filter, some hoses and PCV valve. It starts up strong, runs fine for a bit – drive it around the neighborhood – then once I come to a stop it basically dies on me, sometimes it will start right back up again – sometimes it will just crank and crank.

Why is my Chevy Blazer stalling and stalling?

Check/clean EGR. This does have the newer style injection so could be fuel pump heats up and pressure drops – have to test at test port. Coil could be failing due to overheating due to ignition module never shutting off so always a low voltage to it.

What should I do if my S10 engine Jerks?

Pull your oil cap and hold your hand over the hole while it is idlling. You shouldn’t hear or feel any compression blowby from any cylinders. If you do, try a thicker grade oil.

Although this case study is about my neighbor’s 1995 Chevy Blazer with a CPI equipped 4.3L engine, the info easily applies to any CSFI ‘Spider’ equipped 4.3L, 5.0L, and 5.7L equipped GM vehicle.

What’s the diagnostic code for a s 10 engine?

F for at least 4 seconds after the engine had been running for 2 seconds. 16 – System voltage high – Charging system voltage was either below 9 volts or above 17 volts for 10 seconds.

When does a S-10 engine signal is too high?

33 – MAP sensor signal voltage was too high (low vacuum) for 5 seconds when throttle opening was under 2%. 34 – MAP sensor signal voltage low – MAP sensor signal voltage was too low (high vacuum) when engine speed was over 1200 RPM, or the throttle angle was above 21% when engine speed was over 1200 RPM.

What to do when your car won’t go in reverse?

Pump the clutch a few times if your car has a manual transmission system. You can also try to partially release the clutch while shifting into reverse. If the transmission doesn’t engage, switch off your car’s engine, then shift into First, then Neutral.

What was the problem with my Chevy Blazer?

So far have replaced: fuel injection system, throttle body sensor, fuel filter, spark plugs, wires, distributor cap, rotor and EGR valve. Fuel pump does whir and kick in when key turned. Previous to not getting fuel completely, the Blazer was surging when I drove it and was not responsive to the gas pedal intermittently.

What was the misfiring code on my 1999 Chevy S-10?

First we replaced the plugs that were the wrong ones. With the computer conected we monitored the live data and were recordeing most of the misfires in cylinder 6, 4, 2 with an occational misfire on 5. We had no codes recorded in the ECM but the fuel trims were way off.

Is the EGR gasket on a 99 Blazer?

I have a 99 s10 blazer that is doing the same thing. idels great but misses bad when taking of even when your going about 65mph it wil wanna miss and jump. punch it down and runs great. and cheap fixes possible? Id sure appreciate any info 42 people found this helpful. Have you checked your EGR gasket? I would start there.

Why does my Chevy Silverado lose engine power?

Keep reading to find at least one possible answer to “Why is my Chevy Silverado losing power?” Read More: How Can You Tell If Your Pickup Is Overloaded? If your GM truck occasionally loses the ability to accelerate and warns you of reduced engine power, that could be caused by a faulty throttle body.

What should I do about my 1994 Chevy Silverado?

My 94 Chevy Silverado was also sputtering, backfiring, missing etc… I changed the fuel filter to no avail, tried several things to get it to run smooth but nothing helped’ until a friend of mine who used to have his own shop told me about a memo he had received years ago dealing with this identical problem. here’s what worked for me!

What kind of car is a 1988 Chevy Blazer?

This 1988 Chevrolet Blazer K5 Silverado 4×4 represents everything you like about a classic SUV. It has a tall off-road stance, removable hardtop, a loaded A/C interior with room for everyone, an ov… More Info ›

When do trannies start having 2nd gear shift problems?

Usually when those trannies start having 2nd gear shift problems it time for a rebuild. There were a ton of updates to the valve body in those that pertain to hard/late 2nd gear shifts. Have it scanned first, get back to us and we can go from there.

What is the shifting solenoid on a Chevy S10?

The shifting solenoid on a Chevrolet S-10 pick-up is designed to regulate when the transmission shifts. This solenoid is part of the electronic transmission control system, and is controlled by the powertrain control module, or PCM. The PCM actuates the shifting solenoid when it determines that an upshift or downshift is required.

Can a bad speed sensor affect shift timing?

Harsh or improper shifting. Without a valid speed signal from these sensors, the PCM will not be able to correctly control the shifting of gears within the transmission. This may cause the transmission to shift roughly or more quickly than normal. It’s also common that a problem with these sensors can impact the shift timing,…

Why does my Chevy S-10 not Rev past 3000?

Egr and PCV won’t prevent engine rpms from increasing. Its either as Tenspeed said, computer controlled rev limiter or a common one is a clogged exhaust, the most common under that category is backed into a curb and bent something or clogged cat.

Why does my 1996 Blazer not start up?

Installed aftermarket stereo in my 1996 blazer. Now the speedometer tach dosent work and tranny dosent shift out of first VBulletinNew fuel pump started but then died won’t start back up 2000 4 door 4wheel drive Gear box Crankcase Oil leak Buzzing Jerking/Hesitation Stalls

Can a 93 K5 Blazer 5.7 start when cold?

My 93 k5 blazer 5.7 will start and run fine when the engine is cold. After it warms up it dies. Try to start it again and it sounds like it tries to start then the starter will bog and sometimes it turns over fine but just won’t start until it cools down.

How is my 1994 S-10 4.3 running?

Starts fine, even today when it was -15, fuel pressure 52 running, holds after shut down, newer plugs/wires/cap rotor, tested MAP sensor and tests good, tested resistance changes in TPS (with sensor out) and changes were smooth along range, unplugged every sensor I could find individually looking for changes, no luck.

Where was the ignition located on my 93 S-10 Blazer?

My old 93 S-10 blazer had an internal Ignition Module, inside the bottom of the distributor. I know this much, if those little PIA’s start winking out, you will see all kinds of issues similar to what you are describing.

What causes a misfire on a 94 S-10?

Typically if the lower intake gasket leaks vacuum, it only affects one cylinder and causes a noticeable misfire all the time. On your engine, the ECM batch fires the injectors, it can not richen the mixture for individual cylinders.

Why is my Chevy S10 2.2 stalling?

Few days ago my wile driving my 1995 S10 2.2 I felt a little hesitation like it was time to change the spark plugs. just stop and id not want it to start at all. I check the fuel filter and visually check the gas pump flow and there is plenty of gas moving trough that area. Also check the sparks and they are all good. What else can it be? Ah!

What causes a car to have a no start problem?

A blown fuse in the starter circuit could be the cause of a no-start problem. Broken or corroded wiring – Damaged or dirty wires to the battery or to the starter solenoid (or wires that are loose) can prevent sufficient power from reaching the starter.

Can a blown fuse cause a starter to not start?

Blown fuse – Sometimes the simplest explanation is the best one. A blown fuse in the starter circuit could be the cause of a no-start problem. Broken or corroded wiring – Damaged or dirty wires to the battery or to the starter solenoid (or wires that are loose) can prevent sufficient power from reaching the starter.

What causes a Chevy Vortec distributor to not turn?

The cap is prone to warping from the heat, which results in the cap rubbing against the distributor rotor button. This causes the rotor bushing to wear out and the distributor begins to no longer be able to turn. The simplest option here to fix this problem is upgrading to a distributor that has an aluminum housing on it.

What causes the accelerator pedal to stop working?

The primary reason why this part fails is due to exposure to high heat, as it’s typically located on the floorboard next to the firewall of the vehicle, in very close proximity to the engine.

What causes an engine to hesitate when accelerating?

Probable Causes: An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring.

What kind of vacuum does a Chevy S10 use?

The engine in a Chevy S10 pickup truck relies on vacuum for various systems. If a vacuum line or tee should crack or become damaged to the point of leaking, the S10 may run poorly, or not at all.

What to do if your Chevy S10 Idles poorly?

If no other idle changes occur and the engine still idles poorly, spray the carburetor cleaner around the intake manifold sealing surface. If any idle changes occur while spraying the intake manifold area, you either have a bad intake manifold gasket or cracked intake manifold.

When did the Chevy’s 10 Blazer come out?

In March 1990, 4-door versions of the S-10 Blazer and Jimmy were introduced as a 1991 model; the 4-door had a 6.5 in longer wheelbase (2-doors had a 100.5 in wheelbase – six inches (152 mm) longer than the Ford Bronco II) and a one-piece front grille with a painted black insert (1990 2-door S-10 Blazers and Jimmies had the 3-piece grille).

What’s the problem with my Chevy S10 engine?

Typically it has issues around 50-60mph Idles fine and starts fine. Just slowly started bogging during acceleration last week. Replaced cap,rotor,plugs,wires,coil last month,fuel filter today. With this high miles, original motor and distrubutor hmmm could be the distributor? ? Today bogging will not stop. Fastest I got on freeway was 50mph.

Due to emissions laws, a 1.9 L I4 gasoline engine built by Isuzu was offered as the base model engine in California in place of the 2.0 L engine, while an Isuzu 2.2 L diesel engine (also used in the S-series pickups) producing 58 hp (43 kW) was offered as an option.

When did S10 Blazers get anti lock brakes?

From at least 1991 onward, all S10 Blazers and Jimmies came with 4 wheel anti-lock brakes as standard equipment. The first two years of the ABS system had axleshafts with pressed-on ABS toner rings which was eliminated during the latter half of the 1993 model year (rear ABS control was done via the vehicle speed sensor).

Why does my Chevy Blazer not go over 20 mph?