ugly backfires
#1
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Join Date: Mar 2004
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ugly backfires
well i just replaced my knock sensors and everytime i floor the car i get a loud popping sound when it shifts, sounds like an ugly backfire, read the codes and my map sensor vaccuum was extremely low at wot, replaced it..still gettin nasty popping....any ideas would help my fustration.....
#4
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Originally Posted by MxWickedZ28
well i just replaced my knock sensors and everytime i floor the car i get a loud popping sound when it shifts, sounds like an ugly backfire, read the codes and my map sensor vaccuum was extremely low at wot, replaced it..still gettin nasty popping....any ideas would help my fustration.....
Anyways if you have the older in the valley knock sensors, I would go back and check your work. Mabey you missed something as in vacum line or wires. If not mabey you pinched a intake gasket or something to that effect, or even worse mabey somehow the intake manifold is cracked somewhere.