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:

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.

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!

Why do my running lights not come on?

If your daytime running lights do not come on, stay on when the car is off, or produce a burning smell, you may have to replace their module. 1. Daytime running lamps do not come on 2. Daytime running lamps stay on while the car is off 3. Burning smell Daytime running lights are a safety feature found on many late model vehicles.

How to check battery voltage in GMC Safari?

Remove the large 17 pin connector from the instrument cluster. Using a digital Volt/Ohm meter, measure the voltage from pin A13 to gnd with the ignition in run. The meter should read battery voltage. If the readings are less than battery voltage, or zero, repair the pink/white wire from the ignition switch.

When does a running light turn off in a car?

Most daytime running lights are wired to turn off when the vehicle is no longer in motion, or when the key is removed from the ignition.

What are the symptoms of a bad running lamp module?

One of the most common symptoms of a potential problem with the daytime running lamp module is daytime running lamps that do not come on. Since the module is what controls the lamps and feeds them power, if the lights fail, the daytime running lamps will be left without power and will not function as a result. 2.

What are the symptoms of a bad alternator in a GMC Sierra?

Here are the most common symptoms of a bad alternator in a GMC Sierra: The battery light is designed to tell you that there is not enough voltage to properly charge the battery, or that the battery itself is not holding the proper voltage. In rare occasions the service engine soon light may light up.

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.

What happens to the alternator in a GMC Safari?

The alternator in your GMC Safari is responsible for charging your vehicle’s battery and providing a constant, reliable source of power for your Safari’s electrical components. When an alternator begins to fail, you will usually notice the battery light coming on a lot until it finally stays on.

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

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 .

How to read GM OBD diagnostic codes for free?

How to read the codes 1 Ground terminals A and B (see diagram below) with the ignition “ON” and engine not running. The system will enter the… 2 After Code 12 is displayed, any stored trouble codes will be displayed by flashing the “CHECK ENGINE”, “SERVICE… More …

What to do if your check engine light is not flashing?

If the light is not flashing, check the gas cap. Oftentimes if the gas cap wasn’t tightened enough, the check engine light will display. If tightening the gas cap does not make the light go away, take the vehicle in to have the diagnostic codes looked up.

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 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.

Why is there trouble code on my GMC?

Your Gmc car has an onboard diagnostic computer that will store trouble codes when there is something wrong with the vehicle’s emissions control system. The emissions system is important and if it is malfunctioning, it can dramatically affect the performance of the Gmc car engine.

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.

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

What are the signs of a failing ECM?

Common signs of a failing PCM/ECM/ECU include the Check Engine Light coming on, engine performance issues, and the car not starting. 1. Check Engine Light Turns On 2. Engine Stalling or Misfiring 3. Engine Performance Issues 4. Car Not Starting

What to do if your ECM is not working?

If your car seems to run fine but the Check Engine light won’t turn off, your ECM may be at fault. The only way to be sure is to visit a mechanic with the proper computer. They can analyze your vehicle’s error codes, and let you know exactly what the problem is.

How to turn off service engine soon light?

The simplest and the safest way to turn off check engine light soon is by using an OBD2 scanner which can be obtained from any auto shop. The scanner will retrieve the error code and clear it completely. 1. Connect the Scanner

What to do when service engine soon light comes on?

In most cases, you have to repair the problem that caused the service engine light, and it will disappear by itself. If the light shows up because of scheduled service, you need to reset it with a diagnostic scanner or a particular combination for your car model. Can low oil cause service engine soon light?

What are the different colors of GMC warning lights?

They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray). There are 50 of them, so search carefully! Models examined include Acadia, Savana, Sierra, Terrain, and Yukon.

What are the warning lights on my dashboard?

So, what is that light on your dashboard? What follows is easily the most complete list available of symbols and warnings that may appear in and on your car’s dashboard or instrument cluster. The following are warning lights and indicators found in vehicles built by Chevrolet. Click a link to learn more about each one.

What to do when your GMC Sierra stops running?

If you have fuel pressure after the above tests pull a spark plug and check for spark. If you don’t have spark check the cam position sensor in the distributor. If you have spark with no pressure it is the pump.

When does the GM airbag light come on?

The airbag light, or SRS (supplemental restraint system) light, on the GM dashboard shines whenever there is a malfunction with the airbag deployment system. The vehicle needs inspected and fixed to ensure against accidental deployment of the airbag.

Why does my airbag warning light keep coming on?

There are many different reasons that can cause your airbag light to flash or stay on. Just like troubleshooting your check engine light (get more details on how to reset check engine light here ), fixing your airbag warning light can be challenging sometimes and should never be ignored.

Is it safe to drive with the airbag light on?

No, the airbag control system is designed so that you have to erase the trouble code manually before the airbag light goes away. This is for safety purposes as I wrote before. To delete the trouble code, you have to use an OBD2 scanner. You have to use an OBD2 scanner that can search through the airbag system on your car.

What is the trouble code for GM airbags?

GM has issued a service bulletin to address an airbag light on condition along with the following trouble codes: B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 on the vehicles listed below. 2006-2014 Chevrolet Corvette, Impala, Malibu Models (includes Malibu Classic)

How to check for airbag light on IGN cycle?

Clear the airbag codes and check for airbag light on next IGN cycle. Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period. They include wiring diagrams and technical service bulletins. In most cases, their diagrams are right from the factory manuals.

What happens if the ignition switch fails while driving?

Car stalls while driving. If the ignition switch fails while the engine is operating it may cut off power to the ignition and fuel systems, which will cause the engine to stall. Depending on the exact issue, the vehicle may or may not be able to be restarted a short while later.

What does the ACC position on the ignition switch mean?

When the key is inserted and turned to the “acc” position the ignition switch should power on the the vehicle’s accessories, such as the interior lights and center console. If when they key is inserted and turned, the accessories do not power on, then that may be a sign of an issue with the ignition switch, or lock cylinder.

Where is the ignition switch on a car?

The ignition switch is one of the most important electronic components commonly found on many road-going cars and trucks. It is usually located on the steering column, just behind the ignition lock cylinder. The two work together to turn on and start the vehicle.

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