is this normal?
#1
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Join Date: Aug 2006
Location: S. Cali
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is this normal?
I noticed when I'm either in 1st or 5th gear boosting @ about 7-10psi, a little after I let off the accelerator the car backfire's pretty loud. Does this sound normal? Below, I've listed information about the car and what I have. Any help would be great.
S5 vert w/ TII conversion
Knight Sports Turbocharger
Knight Sports ECU
Knight Sports Dual Pulley System
HKS 3" downpipe
Straight Pipe
S5 vert w/ TII conversion
Knight Sports Turbocharger
Knight Sports ECU
Knight Sports Dual Pulley System
HKS 3" downpipe
Straight Pipe
#2
Old Fart Young at Heart
iTrader: (6)
Flamage is a trademark of the rotarys. You might check the decel valve on the tb. If your injectors have been upgraded to a larger size with nothing to control the extra fuel, you may be getting too much fuel, running rich, and dumping the raw fuel into the exhaust.
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