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Need some header help!

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Old 05-31-2011, 12:17 AM
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Default Need some header help!

I recently installed some headers on my monte and it is now misfiring/hesitating real bad. I have changed the plugs and checked the wires. I have been tuned, well my tuner has not finalized his tune due to when he was tuning my car, I had a loose plug wire. What else am I overlooking?
Old 05-31-2011, 09:44 AM
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you might have broken a spark plug installing them
Old 05-31-2011, 11:32 AM
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Checked them, they look fine.
Old 05-31-2011, 11:45 AM
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Maybe a bad coil pack, if its misfiring real bad it should have thrown a code
Old 05-31-2011, 06:15 PM
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No codes, nothing. Could it be in the tune? I am going to go see him tomorrow morning to get retuned since he tuned it running on 7 cylinders. I have talked to a couple of people and they seem to think it is either running too rich or too lean? Anybody have this problem? O2 sensors maybe?
Old 05-31-2011, 09:17 PM
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I would let the car run for a bit and lick your finger and touch the primaries...make sure they are all hot and all cylinders are firing.

Yes, just a loose plug wire would make the car run like absolute garbage!
Old 05-31-2011, 10:01 PM
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Originally Posted by TImmy_Jones
Yes, just a loose plug wire would make the car run like absolute garbage!
Wow I totally missed that part, a loose plug wire would def make it run like garbage. My number 8 plug wire used to shake loose once in a while and it would barely run.




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