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#1
05-27-2004, 01:16 AM
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check engine light
since my exhaust flew the coupe my check engine light
has been on, and the car runs like crap. is the light being on and it running sluggish a result of the muffler falling off?
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#2
05-27-2004, 01:30 AM
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Re: check engine light
Which car is it?? Muffler doesnt have anything to do with your check engine light, and shouldnt turn it on.. Shouldnt affect the way it runs either?
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1991 Camaro Z28
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#3
05-27-2004, 01:34 AM
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Re: check engine light
my 94 z28, it hasnt run right since the exhaust fell
off, and the check engine light has been on since then
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#4
05-27-2004, 01:39 AM
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Re: check engine light
hmm.. why did the muffler fall off anyway? lol
are you sure when it fell it didnt crush some of the pipe? or damage something else along the exhaust system? I dont know too much about the exhaust in the 4th gens.. Never looked at one, But missing a muffler shouldnt cause the engine to run rough... It should just Sound rough!
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1991 Camaro Z28
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#5
05-27-2004, 01:45 AM
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Re: check engine light
it is loud, it just seems like it has lost some
of its kick, ill have it checked out tomarrow. im beginning to think i have been burnt big time i paid 5800 for this car and the exhaust dropped off when i hit a "unavoidable" pot hole in the road. it was already loose anyway.
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#6
05-27-2004, 01:48 AM
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Re: check engine light
well if you just bought the car, who knows what kinda exhaust work was make shifted onto the car...You also coulda knocked somethin else off of somewhere when you hit the "unavoidable" pothole? But if you havent checked already, Make sure that your muffler comin down didnt pinch the remaining pipe closed
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1991 Camaro Z28
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#8
05-27-2004, 01:53 AM
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Re: check engine light
I figured if just the muffler fell, the cats should leave enough backpressure in system.. Especially if they are factory cats
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1991 Camaro Z28
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#9
05-27-2004, 06:15 PM
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new muffler
well i did have to replace the pipe going back to the
muffler andi put a xclerator muffler on it. it says on the box that its 2 times louder than a straight out. so i got a dual outlet one and put 2 new z28 tips back on it it sounds really good and it was only $80 and $45 for the extra pipes and labor. looks and sounds good. but my check engine light was due to a bad oxygen sensor....car runs like a bat outa hell now.
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#10
05-27-2004, 06:18 PM
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Re: check engine light
Good to hear!
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1991 Camaro Z28
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#12
05-27-2004, 07:52 PM
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Re: check engine light
i didnt have to check anything when they had the
car on the lift they said that the wire had been jerked out of the sensor.
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#14
05-28-2004, 02:00 AM
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Re: check engine light
Haha crappeh ..My service engine soon light just came on tonight....I suppose it'll do that once in a while with low oil pressure and flying down the freeway at 100 + mph eh. I should replace the o2 sensor on mine , that just may be my problem as well..It only comes on like 25-30 minutes after driving..I dunno
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#15
05-28-2004, 02:04 AM
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Re: Re: check engine light
Quote:
Pull the codes from your ECM.. that'l tell you whats wrong.. Its going to be either EGR system fault or Oxygen sensor though...
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1991 Camaro Z28
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