Question about 2004 Chevrolet Cavalier

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2004 caviler exhaust is glowing but cat is not pluged and car has no power and runs rough.2.2 ecotech

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Check the egr flow,if it's stuck in the open position it will cause a rough idle and over heated exhaust temptures.EGR= exhaust gas recirculation

Posted on Dec 25, 2008

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What is wrong with my 2004 mazda rx8. Cat. Converter was glowing red,running poorly & louder than normal. Changed cat & resinatorpipe but problem persists.


RAW FUEL IS ENTERING THE EXHAUST AND BURNING IN THE CAT. YOU MUST HAVE AN ENGINE MISFIRE ON ONE OR MORE CYLINDERS CAUSING THE SUPPLIED FUEL TO THE ENGINE NOT TO GET BURNED. I WOULD SUSPECT A BAD SPARK PLUG OR PLUG WIRE GIVING YOU TROUBLE AND CAUSING THE ENGINE TO RUN ROUGH AND ALSO CAUSING THE FUEL TO NOT GET BURNED IN THE CYLINDER

May 03, 2015 | 2004 Mazda RX-8

1 Answer

1997 jeep Cherokee exhaust manifold glows red &starts running rough cuts off hard to start once warm took off cat still have problem thinking bad gas


Sounds like you have a timing issue(firing after TDC, bad, pushing still burning fuel mix out the exhaust), so grab a timing light and check to make sure the engine is firing at the correct time before TDC. Your Cat convertor shouldn't be a problem.

Jun 03, 2013 | Cars & Trucks

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Random multiple misfire code. Cat gets glowing red hot. Sluggish lack of power/acceleration


Combining the hot cat converter and the missfire code, I would lean toward a fuel problem. Too lean or pressure too low.
If it was an ignition problem the cat would usually not be hot.
If the exhaust was stopped up, you would not usually get the multiple missfire issue. Just lack of power.
It could be a leaking EGR or other vac problem, and a dirty fuel filter too.

Jan 23, 2013 | 2003 Chevrolet Cavalier

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Car engine is running rough sounds like a miss the what I believe is a catylitic converter connected to the exhaust manifold on the drivers side gets glowing red I was told this is do to it being clogged...


Yes it is true, I believe there are 4 cats on that car. burn the correct fuel in it and it will run better and not clog your cats, that car takes premium gas.

Jan 31, 2011 | 1991 Lexus LS 400

1 Answer

How can you tell if your catyalac converter is going out


The engine will run rough and lose power. It will gradually get worse and it will begin to stall when the vehicle is at a stop. Once it is very clogged the exhaust manifold, exhaust pipe and pre-cat or collector will glow bright orange soon after you start the car. **Please rate me on this answer.**

Jun 24, 2010 | 2001 Oldsmobile Alero

3 Answers

Rough idel/no power


0475c6f.jpg As a former Audi technician, I can pretty much guarantee the coil packs are your problem.

Jan 25, 2009 | 2004 Audi A4

1 Answer

No power


if it sounds like a leak before the cat try removing the cat and running the vehicle

Sep 27, 2008 | 1996 Ford Explorer

3 Answers

Catalytic converter still glowing red


When running does the engine shake back and forth (indicating a skip in the engine) also does it rev up freely. If you were to rev it up to 3500RPMS would it be smooth without the engine shaking back and forth? Also the o2 sensor on the front of the exhaust manifold is pretty easy to get at, if you were able to pull that( 7/8") wrench I beleive) you could tell if it were running rich (sooty black color). In the end you could take it to a muffler shop and for very little money have them inspect your cat, without any cutting or welding. a $20-$30 cost at most. I know the fixya wants us to be self suficiant but even i don't mess with small exhaust work because of the benieft of not dealing with it, especially for such a small price. But if its something you wanted to do, I could explain so. A shop can visually inspect the cat, and see if it is clogged with oil, or excessive fuel. At any rate in the end if they do find that you do need a cat, don't buy a GM one, there are plenty of other sources for an aftermarket cat. IF you decided to go that route i know of a few sources that one could be had for pretty cheap ($50-70) for new. Let me know if any of this helps

Sep 14, 2008 | 1996 Chevrolet Cavalier

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