Changed plugs and wires in prep for nitrous, now issues
05-18-2010, 07:43 PM
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Changed plugs and wires in prep for nitrous, now issues I just changed my plugs over to br7ef's in preparation for a 150 wet shot. Used new msd wires and everything was double checked. Set gap at .032 and now here comes the symptoms. The car seems to idle well, and drives the same but is very noticeably slower. I am pretty sure this is a result of the plugs which i would be ok with but it has me concerned and just wanted some feedback from anyone else's experience with these plugs. I dont know what is going on but i am throwing codes also, for a passenger side o2 which i replaced and the maf, i havent read the codes since it happened last, i think the maf is fixed but i dont know whats happening with the o2. Really just a little concerned with the drop off in power, car used to be very quick, now i feel like im sitting staring at the rpms waiting to shift. This is all not a problem as nitrous should be in soon but if anyone has any input id appreciate it. Thanks, Paul
05-18-2010, 09:33 PM
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Changing the plugs should not do that im running #9 plugs with no issues runs the same as 7 and 8s I have had in before.
I would double check and make sure you have all the sensors pluged in or if a sensor went bad. Idle sensore maf sensoner or etc.
I would double check and make sure you have all the sensors pluged in or if a sensor went bad. Idle sensore maf sensoner or etc.
05-19-2010, 12:11 PM
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we had a 02 go bad and it kept throwing maf codes and poping the fuse. Something is up those plugs should not cause this much issue. try the old wires. then try the old plugs maybe you have a broke plug. down a hole will make it not run strong. its worth about .4 in et. we found this out last year when someone forgot to plug a cyl in after changing the plug... cough cough wayne cough cough...LOL
05-19-2010, 01:34 PM
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The one thing i dont understand is it never threw a code for a misfire or anything like that, if a plug wasnt functioning, or a wire was loose, wouldnt it throw a code?
05-19-2010, 01:40 PM
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I never noticed anything, but im sure it could have gone unnoticed, if a plug was broken or a wire was loose, would any codes be thrown? the only codes ive seen have been for o2's and the maf which i think has been fixed?