Question about 2001 Cadillac DeVille

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Service engine light flashes

It will flash for a while and the car start running rough and then it will go off and it will start running fine.

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It had no codes come up.

Posted on Jul 18, 2008

Did you try pulling codes on it?

Posted on Jul 18, 2008

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Posted on Jan 02, 2017

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Check engine light flashing check engine soon smell of gas and not running smouth


Check engine light flashing means there is a bad misfire , it flashes to tell you your damaging your catalytic converter . You need to have it check , you don't won't to have to replace the catalytic converter . Can cost up to $1,000.00 . Flashing Check Engine Light CarMD

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sounds like your cat converter is blocked. depends what providence your in but you could have a garage put a few holes in it and it should run fine. or pay big bucks for a new one.

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I have a 2001 isuzu Rodeo 3.2L engine that will start and run rough. It will only do this when first starting with the engine cold and in the summer, It starts just fine in the winter. I have a flashing...


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1 Answer

Check engine light on


Cycle your key, on (not start) off, on, off, on. Leave it on 3rd time, and count check engine flashes. It will be a 2 digit number each time. For example: flash,flash, pause, flash, flash. Is code 22.
Flash,flash,flash,pause,flash,flash,flash, is code 33. There will be a little longer pause after each set of 2 digits. When you get flash,5 times, then flash 5 times again, that's code 55 which means end of trouble code message. have a piece of paper ready, write them down, and get back to us with results.

Feb 20, 2009 | 1989 Plymouth Reliant

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