 3rd Cylinder Misfiring, Smog Check Diagnostic |
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 Oct 16, 2010 - 10:41 AM
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Enthusiast  Joined Nov 5, '07 From California Currently Offline Reputation: 0 (0%)  |
Hey guys I took my 97 celica st 7AFE to the smog check station and everything was good but they they detected the #rd cylinder misfiring, and enigne check is on. I left it yesterday at the mechanic, bought spark plugs, spark plug wires, did a full tune up. Is this really bad?
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Oct 16, 2010 - 10:45 AM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
do you still have the problem after you did the tune up?
-------------------- Former Team 5SFTE pro member ;)
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Oct 16, 2010 - 11:11 AM
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Enthusiast Joined Nov 5, '07 From California Currently Offline Reputation: 0 (0%) |
did the tune up 5 months ago but only put like 10 miles on it during all this time lol.. wat i didnt change is the spark plug wires i did change the spark plugs but am changing those too regardless. The mechanic said he was going to check the pressure on the cylinders etc something like that and some other stuff. Hopefully its not a big issue
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Oct 16, 2010 - 5:31 PM
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Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
i would do the wires, and reset the ECU by pulling the EFI fuse in your engine bay fuse box for 10 seconds before trying anything else.
-------------------- Former Team 5SFTE pro member ;)
13.6@108MPH, 5SFTE Powered |
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Oct 16, 2010 - 9:51 PM
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 Enthusiast Joined Jan 18, '08 From Houston Currently Offline Reputation: 7 (100%) |
I'd also like to add that you may check the SP wires order from your dist. cap to your cylinders. They may be pluged wrong.
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