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Help car misfiring

Old 05-08-2008, 10:11 AM
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Default Help car misfiring

The car was down for a few days. I was putting a fuel pump in it and finishing wiring up the nitrous. When I went to drive the car it was misfiring real bad. I checked the codes it showed primary secondary coil malfunction P0358 P0351. I switched out the coil packs and it is still throwing the code. I am at a loss. Can someone help me out--I need the car!

btw this is a 99 ta
Old 05-08-2008, 12:14 PM
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pull the pack and make sure the wires underneath the bracket are not screwed up or pinched . then double check the harness that goes to each pack . last check the plugs and wires just to be sure .
Old 05-09-2008, 02:15 PM
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Originally Posted by snake charmer
pull the pack and make sure the wires underneath the bracket are not screwed up or pinched . then double check the harness that goes to each pack . last check the plugs and wires just to be sure .
I've changed the coil pack 3 times now. I changed plugs and wires. I've checked the grounds on the back of the heads. I've checked all the pins in the ECU--everything looks fine but still throwing codes. I am at a loss now. Please if anyone else has any information please let me know.
Old 05-10-2008, 07:32 AM
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where did you ground your solenoids at. does the engine block have a good ground? if you just retrace your steps carefully it will pop up.
Old 05-10-2008, 08:06 PM
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Originally Posted by ZHAWK154
where did you ground your solenoids at. does the engine block have a good ground? if you just retrace your steps carefully it will pop up.
I grounded it on the fender where the battery grounds to which I pulled back off. I don't think it is a grounding issue because I am getting good ground to the coil packs. Any more help would be great.


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