What are the warning lights on my GMC Safari?

Well I took my van to the dealer yesterday due to an intermittent check engine light that illuminated when holding the coast in w/ cruise control set. The code was about the right and left banks running rich. The dealer replaced the MAP sensor due to the original was shorted (according to tech writing on service report).

What was the problem with my 1993 Safari XLT?

Had similar problems, 1993 Safari XLT with 120k had stalling, low power, “Check Engine” light, etc. Had valve seals replaced twice due to smoking at start-up, and EGR continually clogged. Local mechanic, who works on several Safari/Astros did the following:

What to do if check engine light does not go off?

I know this is a silly answer but the first thing I would check is the gas cap. The vehicle has a sensor for pressure & will give a check engine light if not tight or leaking. Just my 2 cents. If the light does not go off on it’s own then you need to lift a battery cable for about 10 minutes to reset the computer.

Where is the EGR screen on a Chevy Safari?

Also saw a site on the Van forum for a firm that makes an EGR screen to catch the carbon particles before they enter the EGR assembly, mounts on the base between the intake and EGR itself. There’s also a PROM update that the dealer has that cycles the EGR open at cruise, probably to allow carbon to blow out? Good luck!

When does the service engine soon light come on?

If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light. It does only occur when there is a problem with your engine.

How to reset the service engine soon light on GMC cars?

How to Reset the “Service Engine Soon” Light on a 1998 GMC. Open the hood of the GMC and loosen the retaining nut on the negative battery cable clamp. Slide the cable clamp off the negative battery terminal. Wait 15 minutes, then reconnect the cable clamp.

When was the last time I serviced my GMC Safari?

Driven an estimated 8,322 miles/year. Last serviced at 166,703 miles in College Park, MD on 07/27/19 • Vehicle serviced. Accident reported. 1st owner purchased on 02/10/01 and owned in NY until 03/23/05 • 2nd owner purchased on 06/02/05 and owned in NY until 03/18/10 • 3rd owner purchased on 04/06/10 and owned in IL until .

How many miles does a GMC Safari have?

Mileage: 116,349 miles Body Type: Minivan Color: White Engine: 6 Cyl 4.3 L No accident or damage reported to CARFAX. 1st owner purchased on 08/12/05 and owned in PA until 03/01/12 • 2nd owner purchased on 03/01/12 and owned in PA until 08/06/14 • 3rd owner purchased on 08/06/14 and owned in PA until .

Why is my Chevy Astro light not working?

It may be a blown fuse check the panel under the dash by the drivers feet. The other thing to check is the wire that connects the lighter it is under the outside cover (dog house) it may have come loose or the last person to service the van from the inside may have failed to plug the wire back into the lighter.

Why is the service light on on my Chevy Astro?

Point a hairdrier in the area of the coil (behind the alternator) to dry it out or spray wd40 on the wire connections leading to the coil. The moisture drains the voltage and doesnt allow enough spark to start. I have a 1999 Chevy Astro with 120,235 miles. My service engine soon light is on.

What to do if your Astro warning light goes off?

If the light does not go off on it’s own then you need to lift a battery cable for about 10 minutes to reset the computer. Be careful and don’t short + to ground with the wrench as you remove and install a cable.

How do I Turn Off the PassLock security light?

1. Turn the key to ON and attempt to start the engine and release the key to the ON position. 2. The SECURITY light will illuminate. Wait 10 minutes until it turns off. 3. Turn the key to OFF for 10 seconds. 4. Turn the key to ON and attempt to start the engine. If it starts and run, the system has reset.

What should I do if my Toyota Corolla security light goes off?

The ten-minute procedure involves trying to start the engine. If nothing happens or the engine starts and dies, the security light will be flashing. Wait ten minutes. The flashing light should go off or illuminate without flashing. When it does, turn the ignition off, wait twenty seconds, and then try to start the engine.

Is it normal for the security light to go off when the engine is running?

After the learn procedure is completed and the engine is running, the security light may stay on steady for a few minutes and then go off—this is normal. Depending on the system, replacement of key components will necessitate that a relearn procedure be completed.

How to start a car with a flashing security light?

Attempt to start the car by turning the key to the Start/Run Position. 2.) Observer that the vehicle fails to start and that the security light is illuminated. 3.) Release key to the ‘ON/Accessory’ Position. (DO NOT turn key to the ‘OFF’ position).

What to do when your security light wont turn on?

1.) Attempt to start the car by turning the key to the Start/Run Position. 2.) Observer that the vehicle fails to start and that the security light is illuminated. 3.) Release key to the ‘ON/Accessory’ Position. (DO NOT turn key to the ‘OFF’ position). 4.) Allow the vehicle to sit with the key in the ‘ON/Accessory’ Position for at least 11 minutes.

What’s the flashing security light on my GMC?

AllOffTopic.com FTW! It’s not security. Security issue would make it crank fine, fire up, and then stall immediately. I’d check the park interlock, that will prevent it from cranking in the first place. Check the park interlock as in it’s out of adjustment or what?

What causes a GMC Terrain to go into Battery Saver mode?

Will a faulty modulator in a GMC alternator cause the Service System Charging light to be on in a 2011 GMC Terrain and go into battery saver mode? This appears to be a charging system fault that is commonly connected with the alternator. When this component fails the message that was seen appears.

Which is the diagnostic code for a GMC check engine light?

1 Refer to our Generic OBD II code list for definitions on all other GMC diagnostic trouble codes. 2 Manufacturer Specific Codes 3 P1031 4 P1032 5 P1105 6 P1106 7 P1107 8 P1108 9 P1109 10 P1111

Can a check engine light be a problem?

An illuminated Check Engine Light is one possible symptom of a problem with the ECM. The Check Engine Light usually illuminates when the computer detects a problem with any of its sensors or circuits.

What is the code for the Check Engine light?

Manufacturer Specific Codes P1031HO2S Heater Current Monitor Control Circuit Sensors 1 P1032HO2S Heater Warm Up Control Circuit Sensors 1 – Read Our Article On Oxygen Sensor CodesFor Help With This GMC Trouble Code P1105Secondary Vacuum Sensor Circuit

What happens if your check engine light goes off?

It sends data to the vehicle’s computer, which uses it to regulate the mixture of air and fuel that enters the cylinders. An engine will keep running even if an O2 sensor needs to be replaced, but it will burn more fuel than usual. In the long run, a bad O2 sensor can damage components like the spark plugs and the catalytic converter.

What are the codes for GMC check engine lights?

P1245Intake Plenum Switchover Valve P1250Early Fuel Evaporation Heater Circuit P1257Supercharger System Overboost P1258Engine Coolant Overtemperature – Protection Mode Active P1260Last Test Failed SCC Or Theft Detected, Vehicle Immobilized

When does the Check Engine light come on?

Check Engine Light Comes On. Another issue of a potential problem with the crankshaft position sensor is an illuminated Check Engine Light. If the computer detects a problem with the crankshaft position sensor’s signal, it will activate the Check Engine Light to alert the driver of the problem.

Can a bad crankshaft sensor cause a check engine light?

Another issue of a potential problem with the crankshaft position sensor is an illuminated Check Engine Light. If the computer detects a problem with the crankshaft position sensor’s signal, it will activate the Check Engine Light to alert the driver of the problem. A Check Engine Light can also be set off by a wide variety of other issues.

What causes a flashing check engine light on a GMC Sierra?

While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Sierra’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped .

What does a misfire code on a check engine light mean?

Misfires that turn on the check engine light and log a cylinder-specific fault code are the easiest to diagnose. The OBD II system will identify the cylinder (s) that are not contributing their normal dose of power and set a code that corresponds to the firing order. A P0303 code, for example, would tell you that the No. 3 cylinder is misfiring.

Why does the service engine light come on on my Astro?

The reason the fuel additive works for a while (if I’m right) is because it temporarily cleans the injectors. I’ve never had this problem with my Astro, but have experienced it multiple times in other vehicles. The “Service Engine” light would come on because you’re giving the computer a misfire fault.

How to troubleshoot a GM Truck misfire?

This isn’t the only symptom that your GM van, pickup or SUV might experience… here are some more that you might see: P0300: Random Cylinder Misfire. P0301: Cylinder #1 Misfire. P0302: Cylinder #2 Misfire. P0303: Cylinder #3 Misfire. P0304: Cylinder #4 Misfire. P0305: Cylinder #5 Misfire. P0306: Cylinder #6 Misfire. P0307: Cylinder #7 Misfire.

When do I get a misfire code on my engine?

Misfire codes do not always indicate there is an issue with the ignition system. A misfire code is set when the computer detects a situation where there is an unexpected change in crankshaft speed. With most engines, the crank sensor is the key component in determining a misfire.

What makes a GM 4.8L misfire engine stall?

P0306: Cylinder #6 Misfire. P0307: Cylinder #7 Misfire. P0308: Cylinder #8 Misfire. Really bad gas mileage. Lack of Power when you accelerate your van, pickup or SUV. Engine may start, run for a few minutes and stall.

Can a lack of Spark cause a misfire?

because the cool thing is that no matter if you have misfire codes or No Codes at all, the core cause of the misfire is a lack of spark, or fuel or air (think engine mechanical problem such as: vacuum leaks, low compression, etc).

Why does my check engine light stay on?

On my 1997 the check engine and check gages light stay on if the key is in the on position and the engine is not running. They are just resetting themselves for when the van is started. If the lights don’t come on before starting than it signals there is a problem with the systems.

When does a GMC Safari transmission go bad?

Conveniently, at 48124 miles, just 12000 miles and 5 months after the warranty expired my transmission went out and I was charged 1800 dollars for a new transmission. You will notice a and abrubt gear shift from first to second after about 30-45 minutes of driving. Do you want a vehicle that has a transmission go bad at less than 50000 miles?

What to know about a GMC Safari van?

Chevrolet Astro And GMC Safari Van Specific Discussion. Discuss the cabin from the headliner to the carpeting of your Astro or Safari van. Topics include door panels, and seat belts or the dash and carpet, trim, and seats. Talk about your center console, seats, door handles, upholstery, steering wheels or any other item in the cab of your van.

Why does my car make a knocking noise when I idle?

Loose torque converter-to-flywheel or flywheel-to-crankshaft bolts will sound similar to bearing knock. This condition produces several raps during quick acceleration on a free running engine. Depending on the idle smoothness, when the transaxle is in gear, the noise may or may not appear.

Where is the trouble code on a GMC?

When retrieving GMC trouble codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on.

How to get diagnostic code for Toyota check engine light?

1 Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2 Turn the ignition on. 3 Follow scan tool manufacturer’s operating instructions to access the Diagnostic Trouble Codes (DTC’s).

How to clear service engine soon light 1990 to 2002 Chevy?

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