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Chevrolet/Check Engine Code

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Question
I have a 1998 Malibu with a check engine light problem.  The problem is that my check engine light is on and the code is a P1374 which from what I have found is a cylinder 4 misfire.  My mechanic tells me that theis code is an ignition ground out and the reason it is on is because I changed my own spark plugs.  Apparently when I unplugged the wire from the spark plug it arced to the computer and register a false code.  Is this even possible?  To me it sounds like they are just making things up because they think I am stupid.  Please let me know what you think.  Thank you.

Answer
Chris ;
Hi -well you could have caused the computer to show a false code , but it should come out just as easy . it might go away by itself in a few days. I would wait to see if it
will go away in a few days. if not there is no reason for it to be removed with a meter . ok

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Roger J.M. Warrington

Expertise

I can help you with most standard type things from 1955 chevys up to around 1975 (1975)>> chevys in differnt areas. engine work heads-cams-trannys-drive train-brakes-some elect. dos and donts. PS UP TO 1975 !! !!!!!!!!!!! I will try with any others after that date. state up to 1975 but I still get 2006-007 etc. I guess you do not read this far ! !

Experience

All i can remember growing up is working on cars and making them loud and fast , and when i started to make money i would sink all of it into my cars so i could get them to go faster and look great. what else is there !I would love a challange to trouble shoot, as it is fun finding what is wrong when all others can not .ON the older cars not past 1975s , etc. so please I will try to help with the newer cars but do not grade me bad if I can not help your 2006 car.etc.

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