Question about Pontiac Grand Prix

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There is an extra muffler looking thing in between the cat. converter and my two mufflers . I need to know what it is so I can get a new one

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Posted on Jul 03, 2010

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o2 sensors are after the cat converter
HO2S ( heated oxygen sensor and different operation to O2 sensors) are located in the exhaust manifold before the cat converter

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95 jeep grand cherokee muffler gets to hot


I have to agree with JL.. But, I would change the Cata. Converter. I belive the Cata. Convert. is old. Because, the Muffer ( New ) is hot! An I would give it an Old Fashon Tune Up. I know it do'nt it do'snt a Carb.. J.D.

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your cat is plugged remove it and replace with straight pipe or replace cat

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I had the same problem. My cat. converter went which plugged my muffler and choked out the car seconds after starting it. I took the exhaust system apart between the manifold and and cat. (3 bolts behind the motor by the firewall) then started the car and ran fine. I now need a new cat. and muffler for my 2.2 Alero.

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Need a new catalytic converter but i dont know were the old one is?


look under truck when cool and from engine follow exhaust pipe towards back will see what looks like a small muffler [ usually about 2 to 3 feet away from engine and before the muffler] thats ur cat conv if ur doing it yourself make sure before going near cat that truck hasnt been running and is cool cat can cause extreme burns up to 1/2 hour after truck has been turned off-also some are bolted in others are welded if welded in measure before cutting old out sometimes may have get an adapter length and extra clamps

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How many catalytic converters on a Mazda Mpv 2003 van?


I disagree. I believe there is 2 cats on the 03 MPV. If you look under the car. The 2 pipes from the headers meet right before the muffler. There is 1 cat under the vehicle and another right off the header (looks like an old glass pack muffler).

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Showing code cat? we changed all coils it runs great now!


It's part of the exhaust and for emissions, looks like a muffler only smaller. Need to go to a muffler shop to have it replaced, or repair shop.

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Catalytic Converters


You are correct. That portion of exhaust is indeed a catalytic convertor. This would be in the rear portion of the pipe with a flexible section that goes underneath the oil pan. Then you have a long muffler and a final muffler in the rear of the vehicle.

Nissan Scope Technician- 10+ years experience in Nissan dealership

Nov 01, 2008 | 2004 Nissan Quest

1 Answer

Muffler


Careful. this sounds very high and there are generic cats that any competent (and HONEST) muffler shop can install with a Mazda or generic muffler.
Don't know how labor is in your area but the cat and an adequate muffler together shouldn't cost over ~$200 US. Check with a 'parts' store that doesn't do installation to see what the individual pieces cost 'over the counter.' If you are in the US, check with your local Better Business Bureau website to find an honest shop.

Sep 30, 2008 | 1992 Mazda 929

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