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car popping loud and no power.. help!!!


sunnyleong94

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so, the engine came on, i checked its the coils and 02 señor...

 

i changed the coils already and haven't done on 02 señor.

 

but the problem came out before the 02 señor. anyway, the sound of the exhaust is like misfiring and popping loud when on low rev and also it pull slow compared to before.

 

thought it was the spark plug and i replaced them all, still do nothing.

 

what would be the problem?

 

i got an 3' exhaust and sport cat, but i had the exhaust running for roughly about 1000 miles before and got no problem with it.

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all coils are sparking.... or is there any way to check them?

 

two ways i used to check, is first i have engine on and unplug one by one, if it does something to the engine then it works...

 

second way is to pull out the coils and put a spark in and turn on engine for 0.01 second lol and they all sparking good...

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Always remember the same issue on one of the Wales weekends when someone with a lot of Zed experience managed to do the same on Wasso's car with those coils - egg on face time, but gave us a lot of laughs then and still does. :teeth:

 

Sure someone will have a pic of that epic occasion. :stir:

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