The check gages light was coming on and I thought that was fixed. The repairs for that were done. But now the malfunction indicator lamp is on. I can't pay for any repairs until Friday but today is Tuesday.The check gages light comes on sometime but not all the time.
I've had the oil pump changed, an oil change, the fuel pump replaced and a tune up. Right now my car drives pretty good but the MIL is still on. Is it safe to drive my car while the lamp is on? I plan on going to get it fixed on Thursday or Friday.
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The instrument cluster (10849) carries out a display proveout to verify that all warning/indicator lamps and monitored systems are functioning correctly. When the ignition switch (11572) is in the ON position with the engine (6007) off, the following indicators will illuminate:
CHECK ENGINE/malfunction indicator lamp (MIL).
CHECK GAGE warning indicator.
Charge system warning indicator.
Anti-lock brake warning indicator (ABS).
Safety belt warning indicator (60second proveout).
Air bag indicator.
An indicator is inoperative - CHECK ENGINE/malfunction indicator lamp (MIL)
Do you have any lights on the dash lit ?
SERVICE indicator (4WD/AWD) Lamp
The SERVICE indicator (4WD/AWD) lamp is an integral part of the cluster and cannot be serviced separately. This lamp is used to inform the driver of the vehicle of malfunctions within the automatic transfer case (ATC) system. The SERVICE indicator (4WD/AWD) lamp is controlled by the transfer case shift control module via CKT 1567. this system will set DTC'S if there is a problem .
Diagnostic Trouble Codes DTC B2725 ATC Mode Switch Circuit Malfunction DTC C0300 Rear Speed Sensor Malfunction DTC C0305 Front Speed Sensor Malfunction DTC C0308 Motor A/B Circuit Low DTC C0309 Motor A/B Circuit High DTC C0310 Motor A/B Circuit Open DTC C0315 Motor Ground Circuit Open DTC C0323 T-Case Lock Circuit Low DTC C0324 T-Case Lock Circuit High DTC C0327 Encoder Circuit Malfunction DTC C0367 Front Axle Control Circuit High DTC C0374 General System Malfunction DTC C0376 Front/Rear Shaft Speed Mismatch DTC C0387 Unable to Perform Shift DTC C0550 ECU Malfunction DTC C0611 VIN Information Error you probably should take this to a repair shop !
Common problems that can cause the Check Engine light to come on
In older cars, it was typically something like a bad oxygen sensor, faulty mass airflow sensor, failed catalytic converter, worn-out spark plugs, ignition wires, a loose gas cap or a clogged-up EGR system. Newer cars have a lot more electronics, which means, many other things could go wrong too. It's practically impossible to find the problem without at least scanning the vehicle and retrieving the stored code(s). On the other hand, once you know the code that caused your Check Engine light, it's not that difficult to do some research and find out common problems for your car's make and model that can cause the particular code. Why Check Engine light comes on
The check engine light comes only when the computer control unit (called the PCM) senses a fault in the electronic controls of the engine and/or the emission system, there are about 200 possible faults that turn the light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test
The check engine light also called the malfunction indicator comes only when the computer control unit (called the PCM) senses a fault in the electronic controls of the engine and/or the emission system, there are about 200 possible faults that turn the light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen and Autozone parts stores do this testing for free.
The Malfunction Indicator Lamp or MIL (Also called the check engine light or service engine soon light) comes on when the on board computer detects an issue with the operation of the engine or transmission.
The best thing to do is to take the vehicle to an auto parts store like Autozone and have them hook up their scan tool to the vehicle and read the code. They can read it, tell you what it is and also tell you what the code means.
If it is pointing to a faulty component or sensor and you replace or repair the component the the light will go off on its own after the computer sees that the malfunction is no longer present.
You can have the code cleared, but if whatever caused the light to come on in the first place is not addressed then it will just come back on eventually.