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View Full Version : 87 2.8 hesitates back fires on accelation but runs normal air hose disconnected.


halen1986
06-28-2004, 01:07 PM
Going nuts but i'm cheap. My Camaro idles a little rough.
It heisitates, misses and intake backfires on accerlation until at cruise speed

When I disconnect the intake hose from the throttle body it runs normal ??????? ( i dont have a code logged )

What I have done since !!!. all tune up stuff to include all filters are new to include the o2 and MAF. like I said it runs normal when the intake hose is off

please help