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Joined: Jan 2004
Posts: 130
Member 2002 Toyota Celica GT
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Member
2002 Toyota Celica GT
Joined: Jan 2004
Posts: 130 |
Ive have a universal muffler with 2.5 pipe from the cat to the muffler. I have had it for about 6 months. It sounds great. Really loud!!! But recently when i let off on the gas, or barley tap on the gas, and every now and then in between 1-2 shift, the exhuast backfires or makes a poping noise. All this only happens at low speeds. It still sounds really loud and deep, but its embarrising when this happens. Do you think it is the muffer, welding, or the piping??? Any info would be great.
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Joined: Dec 2003
Posts: 2,670
Specialist 2003 Toyota Celica
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Specialist
2003 Toyota Celica
Joined: Dec 2003
Posts: 2,670 |
i have this happen to my TRD muffler, checked your gasket yet???
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Joined: Jan 2004
Posts: 744
Senior Member 2000 Toyota Celica
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Senior Member
2000 Toyota Celica
Joined: Jan 2004
Posts: 744 |
It has nothing to do with the integrity of the exhaust system. It's being caused by unburnt fuel passing through the engine and being ignited in the exhaust system. Most of the time mufflers cancel out this sound. Do you have any CELs or any problems with your car? Try resetting the ECU and see if the sound goes away.
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Joined: Sep 2003
Posts: 286
Member 2001 Toyota Celica GT
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Member
2001 Toyota Celica GT
Joined: Sep 2003
Posts: 286 |
Hmmm just a guess but if it's un-burnt gas, maybe your catalitic convertor is shitting out. It's supposed to burn off extra gases and stuff. Just a guess though...
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Joined: Jan 2004
Posts: 130
Member 2002 Toyota Celica GT
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Member
2002 Toyota Celica GT
Joined: Jan 2004
Posts: 130 |
thanks, i have no cel but will try to reset the ecu
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Joined: Jan 2004
Posts: 130
Member 2002 Toyota Celica GT
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Member
2002 Toyota Celica GT
Joined: Jan 2004
Posts: 130 |
i reset the ECU and the problem remains the same. any other suggestions??
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Joined: Dec 2003
Posts: 2,670
Specialist 2003 Toyota Celica
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Specialist
2003 Toyota Celica
Joined: Dec 2003
Posts: 2,670 |
Hmmm just a guess but if it's un-burnt gas, maybe your catalitic convertor is shitting out. It's supposed to burn off extra gases and stuff. Just a guess though... nah, he has a 02' and i've a 03', i doubt it...
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Joined: Sep 2004
Posts: 411
Senior Member 2000 Toyota Celica GTS
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Senior Member
2000 Toyota Celica GTS
Joined: Sep 2004
Posts: 411 |
i thought the cat only takes out the CO?
GATOR HATOR! GO FSU NOLES!!!
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