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GP2003GT

GP2003GT

New member
idk maybe its nothing, but my gt use to make this huge suction noise every time i turn off the car and now pretty recently it hasnt done that and my rpm needle is jumping around a little more...i took off and put back on and took off and put back on the intake to make sure that isnt the problem, still same result, the things i have done most recent are the hvtb and painted my ignition coils, but i know i put them all back on right and made sure no paint got under them...anyone know?
 


i was just suggested to get a powertune...anyone else? and when the needle is jumping is only like a milimeter not like 2500-3000, i was also thinking maybe its cause the weather has been humid and warmer lately? i have no clue and want to find out
 
You have to test for a signal from the sensor while cranking the engine.

It also could be a number of things as well. Probably need more information.
 
yeah i talked to synthetic, he believes i need to get my car tuned...i already have the zzp pcm, but needs further tuning i guess..
 


when i replace the pcv valve in mine i forgot to put the o-ring back in and it would make the sucking sound when i turned it off plus it ran crappy. did you mess with this? its on the upper intake manifold on the passenger side
 
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