glasspack on my soup

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87supraturbo19

pearl white
Jan 16, 2006
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Springfield,MO
I made a thread awhile back with a sound clip of my exaust (glasspack). On my deaccelaration i get a pop (backfire) at the very end. I know glasspacks are notorious for having popping backfire sound. has anybody else experienced this?
 

IJ.

Grumpy Old Man
Mar 30, 2005
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I come from a land down under
Hint: Backfire on decel

Our cars have decel cut which shuts the fuel off

no fuel no backfire

TPS controls the ECU so it knows when your foot is off the gas

Badly adjusted TPS might mean the ECU doesn't know your foot is off so you still have fuel on decel and backfires......

Our cars are a "system" everything needs to be right for them to function correctly.
 

jdub

Official SM Expert: Motor Oil, Lubricants & Fil
SM Expert
Feb 10, 2006
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Valley of the Sun
87supraturbo19;1037568 said:
isnt there a vacuum diaphram that raises the idle to burn off excessive fuel on deacc.




:3d_frown:

You don't take instruction well, do you?
 
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