2001 Cadillac DeVille "catalytic converter problems" Questions

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...catalytic converter but car rides smooth. no indication of problem with catalytic converter. the problem could be that the convertor is no longer doing its job of reducing the emmissions which you ...

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Question about Cadillac DeVille

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...catalytic converter / exhaust pipe Retarded spark timing The oxygen sensors in front and behind the converter are reporting too similar of readings Possible Solutions Some suggested steps for ...

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...catalytic converter means your car is injecting too much gas, more than the spark plugs can burn up efficiently in the cylinders, or you have a serious misfire, so multiple cylinders are sending ...

...catalytic converter in a 2003 cadillac. I've heard of computer issues if not replaced with oem parts there are problems if a converter is not put back in but doesnt have to be an oem one an ...

Question about Cadillac DeVille

2 Answers

...catalytic converter, the only way is to replace it. Use a after market one or check on the internet for one under auto parts. You can save more than 1/2 compared to GM parts. It would help greatly to ...

Question about Cadillac DeVille

6 Answers

...catalytic converter There is a heat shield tht is spot welded over the top of the catalytic converter to keep the heat from transferring to the floorboard. These heat shields are notorious for ...

Question about Cadillac DeVille

1 Answer

...DOSE IT MEAN IF IT SAY HISTORY AFTER CODE The problem occurred in the past and may not be happening now. Code 420 is for a problem where the catalytic converter is not functioning at full

Question about Cadillac DeVille

1 Answer

...very slow what could be the problem i replace the convertor and the fuel filter might be clogged catalytic ...

Question about Cadillac DeVille

1 Answer

...catalytic converter is the issue then. if your catalytic converter has a leak, meaning theres a leak on fuel too which was not burned-out thouroughly sometimes cause fire at the exhaust.... spark ...

...catalytic converter needs replacement. Before you replace your catalytic converter, you can disconnect it and take if for a drive. If the problem goes away, you know you may have a bad component. If ...

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