Need help please 92 lesabre
Hi I have code 43 and need to know how to fix it. I was gong to replace ecm but wanted to make sure because it's not cheap lol any info appreciated...
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What we generally do is to erase the code and see if it comes back.
If it does that confirms a definite fault. If it does not come back sometimes poor quality fuel could cause the engine to not respond when the system runs its test. I wouldn't consider replacing the ECM until all other tests pass and no fault is found. A faulty knock sensor can fail and send false signals to the ECM, make sure the connections at the sensor are good. |
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