Question about 2002 Buick LeSabre
Posted by Anonymous on
You have a misfire ,spark plug ,coil etc. .. the flashing check engine light is to warn you that the misfire is severe enough to damage the catalytic converter ! You need to take it to a repair right away ! A new catalytic converter can cost as much as $1,000 . The shop will check the code's in the PCM . this will tell them what cylinder is misfiring !
Posted on Apr 22, 2015
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Posted on Jan 02, 2017
I just had the same problem. Replaced the fuel filter,still crappy idle and no acceleration. I replaced the fump pump along with the wiring harness and the fuel pump screen and my cars purrs like a kitten,has back to normal acceleration and idles better than before. Hope this is some sort of help to you. I did it myself. Total cost, a little over $120. Good luck. By the way, your fuel pump should be pushing out about 65 lbs of pressure. is it ???
Posted on Apr 21, 2009
The coded key probably needs to relearn. Turn ignition to crank and release. Let sit in on position (engine off of coarse) for a full 10 min. turn off for 30 sec. and repeat 3 times engine should start. This procedure should take 30 min. so a booster is needed to maintain a full 12 volts. Do not attempt w/out a charger connected;
Posted on Mar 30, 2010
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