Backfire problems
Thread Starter
Joined: May 2008
Posts: 34
Backfire problems
I have a stock 90 mustang gt besides cold air and msd cap. When the car is cold it backfires like crazy when i step on it, but after it gets warm its fine. Sounds like a timing problem to me, but if it was it would run ****ty all the time right? Any help is appreciated.
D.R. THE PATHETIC DORK
Joined: Jun 2007
Posts: 30,871
From: West Virginia
RE: Backfire problems
run a koeo/koer test and check for any codes relating to the thermactor air system.....my antibackfire gulp valve went bad on the tube that connects to the rear of the heads and blue flames would shoot out the pipes on harddecel at night[:@].....replaced and was fine
5th Gear Member
Joined: May 2007
Posts: 2,872
From: Warner Robins,GA
RE: Backfire problems
ORIGINAL: mjr46
run a koeo/koer test and check for any codes relating to the thermactor air system.....my antibackfire gulp valve went bad on the tube that connects to the rear of the heads and blue flames would shoot out the pipes on harddecel at night[:@].....replaced and was fine
run a koeo/koer test and check for any codes relating to the thermactor air system.....my antibackfire gulp valve went bad on the tube that connects to the rear of the heads and blue flames would shoot out the pipes on harddecel at night[:@].....replaced and was fine
D.R. THE PATHETIC DORK
Joined: Jun 2007
Posts: 30,871
From: West Virginia
RE: Backfire problems
ORIGINAL: 89mustangfive0
where could you purcahse one of these anti backfire valves???
where could you purcahse one of these anti backfire valves???
http://www.napaonline.com/MasterPage...ir+Check+Valve
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