Car misses under acceleration
Car misses under acceleration Problem is when the motor goes into load in 3rd gear and up it seems to miss and pops can be heard from the exhaust. Its a 2001 ls1 with new ngk plugs gapped at .055. Wires are a set of crane fire wires. Only mods to the engine are intake and long tube headers with dual 3 inch exhaust. Motor is swapped in a 93 rx-7. I'm thinking its a ground issue but i'm open to opinions and other things to check.
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Check 02 sensor wires-seen long tubes touch/melt wires & throw no codes
but cause vehicle to run rich under acceleration,causing popping
You can also pull the plugs from 1 side to see if they are black,if so
the 02 connection could be the problem on that bank-also check the
02 sensor to see if they are black-if so they are bad-they should be brown/
rusty color-same with plugs-I run NGK TR55 @ .043
That has worked for me.
but cause vehicle to run rich under acceleration,causing popping
You can also pull the plugs from 1 side to see if they are black,if so
the 02 connection could be the problem on that bank-also check the
02 sensor to see if they are black-if so they are bad-they should be brown/
rusty color-same with plugs-I run NGK TR55 @ .043
That has worked for me.
I figured mine out, car threw a p00336 code and turned out to be a bad crank sensor.
I regapped old plugs to .40(ngk) and added some nos booster to the 93 octane. Took it for a run and still got a ping. Redouced timing in that area and its all gone for now.
I regapped old plugs to .40(ngk) and added some nos booster to the 93 octane. Took it for a run and still got a ping. Redouced timing in that area and its all gone for now.
