Question about 1996 Chevrolet Cavalier

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My catalytic converter and tali pipe was hanging down and someone secured it with coat hangers and i was able to drive. after driving for awhile it cut off a couple of times and the last time it would start and wouldn't move forward in drive but would drive in reverse. finally it just wouldn't start. it was also rattling under the car before it stop starting.

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  • 360 Answers

It sounds like you have too many different problems to address in this forum.

Ask friends and relatives for any references they can provide for a reputable mechanic to look at your vehicle.

Good luck!

Posted on Jan 03, 2011

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Keeps loosing power


Check engine light on? maybe a p0420 code. Catalytic converters could be clogged up. One way to check is to put your hand close to the exhaust pipe at the rear of the car. Be careful, it can be very hot. If you can't put it close to the end with out burning. Replace the catalytic converters.

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How do you remove the tensioner pulley on a 1998 Saab 900 SE Convertible 2.0


Disconnect the Negative Battery Cable
2. Remove the air breather/cleaner and hose from between the air breather/cleaner and throttle housing
3. Remove the strain of the belt tensioner off the belt and pry off the belt
4. Remove the right front wheel
5. Remove the belt cover & Disconnect the battery Cable and the red alternator power wire.
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7. Remove the three bolts that hold the header pipe up to help give room to remove the alternator
8. Remove the converter bolt from the converter bracket and mover the converter over to aid in the alternator removal
9. Refit in reverse

Working from Top down:
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Jun 30, 2014 | 1998 Saab 900

1 Answer

Car will not accelerate after 30 mph


I would look at a possible blockage in the exhaust, including the catalytic converter.
Next would be fuel pressure.

Feb 22, 2014 | 1993 Dodge Dynasty

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HOW CAN U TELL IF THE CATALIC CONVERTER IS STOPED UP?


Generally when a catalytic converter is clogged, you will have backpressure issues. This would not be a random issue. Also, if the catalytic converter was failing to the point where the engine's performance would be affected the check engine light would come on. Generally it would trigger a P0420 catalytic converter failure code.

Is the check engine light coming on at all when the vehicle runs poorly? If you suspect that you converter is clogged due ot lack of acceleration, simply disconnect the catalytic converter to front down pipe and test drive. If you have more power and acceleration, then you know the converter is at fault. Sometimes a converter that is clogged will make a rattling noise if you bang on it with your fist.

Jack up front end so that you have room to crawl under vehicle to unbolt the converter from the down pipe. You will probably need to spray the bolts with PB Blaster or WD40 and allow to soak in before trying to unbolt. The exhaust hangers will keep the converter and rest of exhaust system up while you test drive. For extra security you can use a wire coat hanger to wire it up so that it doesnt drag when you take for test drive.

If the inside of the converter comes apart, part of it can get stuck in the exhaust pipe and clog it, other parts will stay in the converter and rattle if you hit. Other times the inside will either break up in two large chunks and turn sideways and clog it and it might not rattle when you hit it, or the inside melts and wont make any noise.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Dec 21, 2011 | 1995 Chevrolet Blazer

1 Answer

How can u tell if the catlaic converter is stoped up?


Generally when a catalytic converter is clogged, you will have backpressure issues. This would not be a random issue. Also, if the catalytic converter was failing to the point where the engine's performance would be affected the check engine light would come on. Generally it would trigger a P0420 catalytic converter failure code.

Is the check engine light coming on at all when the vehicle runs poorly? If you suspect that you converter is clogged due ot lack of acceleration, simply disconnect the catalytic converter to front down pipe and test drive. If you have more power and acceleration, then you know the converter is at fault. Sometimes a converter that is clogged will make a rattling noise if you bang on it with your fist.

Jack up front end so that you have room to crawl under vehicle to unbolt the converter from the down pipe. You will probably need to spray the bolts with PB Blaster or WD40 and allow to soak in before trying to unbolt. The exhaust hangers will keep the converter and rest of exhaust system up while you test drive. For extra security you can use a wire coat hanger to wire it up so that it doesnt drag when you take for test drive.

If the inside of the converter comes apart, part of it can get stuck in the exhaust pipe and clog it, other parts will stay in the converter and rattle if you hit. Other times the inside will either break up in two large chunks and turn sideways and clog it and it might not rattle when you hit it, or the inside melts and wont make any noise.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Dec 21, 2011 | 1995 Chevrolet Blazer

1 Answer

I have a 1997 Jeep Grand Wagoneer. I discovered some wires hanging underneath coming out of the catalytic converter. They have become tangled in the drive shaft and have been cut. Can you tell me what...


Check the O2 sensor on the exhaust pipe. Chances are it tore off there.Best to replace with pre-wired and not universal one. When finished, check all fuses in power distribution center to make sure none have blown. Make sure after installing, that you secure the wire so it cannot hang and get torn off again. A simple plastic tie wrap is good for that.

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1 Answer

I have 2004 GMC Safari Van. I am hearing a loud rattling noise under the van. someone is telling me that it is a heat shield and others are telling me that it's my catalytic converter going. I do I find...


If you drive on gravel roads it may be gravel inside the shell,covering the converter this is the heat shield,or it may be loose and vibrating.Check fot any of the exhaust grounding out against the frameworks. If you have or can barrow a rubber mallot use it to beat on the converter pipe close to the converter ,you may find the noise related problem,look for loose hangers or clamps.

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1 Answer

Tailpipe hanging


Sounds like a "U" clamp let go or a hanger. If it's a U clamp, they are easy enough to install, surrounding the tail pipe with the clamp and screwing the bolts on both sides. If it's a hanger, you can temporarily secure the tailpipe with a coat hanger. Only other reason would be a break in the weld from mid pip to tail pipe. You would definitely hear this if that were the case and would need to have it re-welded.

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1 Answer

How do I fix a bank2, 02 sensor?


just a quick note: bank 2 is LEFT side (drivers) on a rear wheel drive vehicle ,on front wheel drive vehicles it would be the front side when looking down from the front of the vehicle ,Sensor 2 is after the cat converter! if you replace that sensor, clear the codes or have someone clear them for you and you should be all set.
the 2 of bank 2 is the 2nd oxygen sensor that is located after the catalytic converter.usually closer to the tailend of the header pipe.
The sensor I believe you are looking for is in the exhaust pipe or exhaust manifold, usually the right bank which is on the right side of the car (driver is left), or close to the firewall if engine is mounted sideways. Some cars are equipped with a sensor behind the catalytic converter that tells the computer the HEALTH of the converter only. It has nothing to do with running of the engine per say.
Bank 1 is which ever side has cylinder 1. It could be left or right. Bank 2 would be the other side. Bank 1 sensor 1 would be before the catalytic converter. Bank 1 sensor 2 would be after the converter. The same applies with bank 2.

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Pontiac Sunfire Exhaust pipe hanging low


Most local muffler shop will inspect the exhaust for you for free and if it's just a broken hanger, they can replace it for around $45.00. You could always go to the auto parts store and buy a new hanger, but your going to have to get under the car and remove any old parts left over from the old hanger and place the new one. Good luck and hope this helps. If you go to Auto Zone they can help you look up all the hangers for that car or any muffler shop as mentioned earlier. 

Jul 27, 2009 | 1995 Pontiac Sunfire

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