How to determine what code the check engin tells me

Take it to the auto parts store, they will check it for free, they will say whats wrong with your car.

You need to find out what codes are set causing the CHECK ENGINE light to illuminate. GO to any Advance Auto or AutoZone and they will read the codes for free. Do not assume that just because a code mentions a part that the part is faulty, especially if there are multiple codes set. Come back here and tell us the codes and we can help you determine your problem. Without the code(s), there are dozens of things that can set the CHECK ENGINE light.

Run fault codes to determine the exact sensor that has failed
The engine light is telling you that the CPU has found sensor/s outside set parameters during the checking process. Have the
The engine light is telling you that the CPU has found
sensor/s outside set parameters during the checking process. Have the fault codes read before wasting time and money guessing what has failed. Replace with genuine items only as aftermarket units are not always compatible with the settings in the CPU.


ault
codes read before wasting time and money guessing what has failed. Replace with
genuine items only as aftermarket units are not always compatible with the
settings in the CPU.

If the Check Engine light is "still" on it is because your engine control system "still" has a problem. These things do not go away by themselves. One must scan the Engine Control Module (ECM) for fault codes that will tell you which of the many SYSTEMS monitored by the computer is failing. Once the malfunctioning SYSTEM has been identified by the fault codes retrieved from the ECM, then the system must be properly diagnosed to determine the actual CAUSE of the failure. Only after the cause of the failure has been determined can the system be repaired so that the check engine light will stay off.

Plese note that fault codes only identify malfunctioning systems - they NEVER tell you what parts to replace.

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What Else Could Be Wrong?

What To Expect From An Online Car Expert

EGR valve failures are very rare. The check engine light coming on means that the engine computer has stored a fault code. The code you are getting from your computer coinsides with a troubleshooting tree in the service manual. Fault codes NEVER tell you what parts to replace. They only tell you which of the many systems monitored by the computer is operating outside its expected "Range" or "Window of Operation" Fault codes must be properly diagnosed to determine the actual cause of the system malfunction before any effective repairs can take place.

The first thing to ask is this, how does the car run? Does it still run the same as it always did, or is something different? The next thing to do is to get the car scanned to determine what code is stored in the computer that is turning on the check engine light. I certainly understand being broke, so most larger auto parts stores will scan the light for you for free. They wont fix it or give much in the way of advise, but they will at least tell you what code or codes are stored. Once you know what the code (s) are, then you can determine what the next step should be.

have vehicle scanned for trouble code sum auto stores such as auto zone /advanced auto do this for free trouble code[s] gives u a starting point

Many things can cause the engine light to come ON. Best way to find out is to take the vehicle to an auto-parts store. Most auto-parts stores will scan the computer for a trouble code for free. They should tell you what the trouble code means that's causing the engine light to come ON.

Sometimes it will. Have the code read. You can do this yourself at advance auto for free. The OBD reader will tell you what the problem is and help you determine the best way to have it fixed. The code reader will also allow you to clear the code and reset the check engine light.

There are engine codes for alot of diffedent problems. Go to Autozone and have the code read. They will tell you what it means. Post your results, please.