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My 97 grand am starts to kind of bog down a bit when I accelerate. I replaced the catalytic converter and this seemed to fix the problem but the next day it does it again just not as bad. Help?

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  • Cars & Trucks Master
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Could still be an exhaust restriction such as the muffler, or lack of fuel pressure among other things.

Posted on Dec 08, 2012

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  • 2 Answers

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Posted on Jan 02, 2017

csmock132
  • 4669 Answers

SOURCE: Catalytic converter shot

3 front coils? Ignition coils? If the engine had a miss for a long time the excess fuel can ruin a catalytic converter.

Posted on May 12, 2009

ourhowse
  • 2007 Answers

SOURCE: 2000 s-10 stutters/bogs down when accelerating right after startu

Check ignition timing, timing chain, fuel filter and fuel pressure after you change it. ( if the filter doesn't solve it)

Posted on May 18, 2009

BCally1
  • 133 Answers

SOURCE: Replace muffler, not the catalytic converter which started to rattle. Stop running, will crank but will not start. can it be the catalytic converter.

if the converter is rattlin then it needs to be replaced because the element inside is broken. if the jeep still does not run try removing the catalytic converter to see if the restriction is too much. should start if the converter is restricted. if it doesnt maybe its whatever caused the converter to go bad in the first place

Posted on May 28, 2009

greg_margo
  • 1959 Answers

SOURCE: do I need a catalytic converter

Yes but there could be other causes. A sticky fuel injector, bad fuel pump etc. Other signs of a bad catalytic converter are a smelly sulphur exhaust, a very hot exhaust throwing heat from the middle of the car. Unless there's a lot of miles on your car, I'd be surprised if it were a bad Cat. Hope this answers your question. Best of luck.
Greg

Posted on Jun 01, 2009

  • 290 Answers

SOURCE: bogs down on acceleration

buy 2 fuel filters. buy can of SEAFOAM at parts store. use 1 f filter to replace old one(you'll probably see old looking gas, with an odor).Pour SEAFOAM into tank. fill up with PREMIUM gas. after about 100 miles change out fuel filter 1 last time..add SEAFOAM every 3-5000 miles and you should be fine. the ethanol in the gas turns to goop and adds water to your fuel, and puts carbon on your valves and through out your emission and fuel system. The ethanol will be alright as long as you follow these instructions. and the SEAFOAM will keep you from having line freeze up in the cold months ahead, and will give you better gas mileage. good luck.

Posted on Aug 31, 2009

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