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Re: Trouble code 34
Is that code from the engine light blinking? My book only has 4-digit numbers in it. If you need a code reader to plug in, most major auto stores will do it for free. Auto Zone and Advanced Auto for sure.
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Driving the car will not clear this trouble code, it has been stored in the ECU. You must remove the EFI fuse from the engine bay relay block for at least 60 sec, or disconnect the battery for that time.
A blinking light, like a "service engine soon immediately" light? The only way to know why the engine computer turned the light on is to plug in a scan tool at the diagnostic port, and then the fault code or codes will be displayed. The code will refer you or a tchnician to a specific system, part, or circuit that the computer has detected a fault in. It probably is the cause of your running rough condition, also. Some parts stores (Autozone, and other national stores) offer free scan service to retrieve trouble codes. Be careful of buying new parts just because the trouble code refers to them. Most trouble codes need a little testing and further diagnosis to pin-point the problem. You can post the codes here for help, or take them to youir mechanic.
The check engine light is to alert you that the computer has identified a fault in one of the car's systems The dealer will most likely run a scan and see if any fault codes are stored. The codes will show what the computer has noted and if the light came on erroneously, they will reset the light. Sorry for your trouble and I hope this helped. Best wishes.
if the problem goes away on it's own, the light will turn off. Otherwise you'll need to bring it to a car shop where they can scan it to retrieve the codes and reset it for you. If you have an OBD-II scanner, you can reset it yourself
No, the check engine lamp will only come on when there is a problem in engine management system, it needs to be checked with an OBDII scan tool to find the problem causing the check engine lamp to come on.