LS1 to LS2 Hesitation , but not all the time ?
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LS1 to LS2 Hesitation , but not all the time ?
I Got a 99 Trans am , and Currently just installed a new LS2 engine into it , now my question everything will run and idle perfert , now my thing is when i am going 60 MPH and put it on Cruise , it Wants to Hesitate what problem could this be ? this PCM has not been tuned yet. Could it be a tuning issue ? i got 320miles on the New engine and it didnt hesitate all the time , but somtimes here and there , could it be a fuel filter ? ect .. Please HELP ME OUT HERE !!!