Canadianplat855 Posted March 10, 2010 Report Share Posted March 10, 2010 I am having a issue, while driving my car when I press the pedal down past half and the RPM's get to about 3500. The car starts backfiring and blowing black smoke. I hope you guys have a idea. Thanks Link to comment Share on other sites More sharing options...
the commissar! Posted March 10, 2010 Report Share Posted March 10, 2010 I am having a issue, while driving my car when I press the pedal down past half and the RPM's get to about 3500. The car starts backfiring and blowing black smoke. I hope you guys have a idea. Thanks If it is truly a backfire you have either uncombusted fuel igniting in the exhaust somewhere or you have a bad timing issue. What have you done to the car recently that may relate to this??? Link to comment Share on other sites More sharing options...
--Aaron-- Posted March 10, 2010 Report Share Posted March 10, 2010 Sounds like you are running very rich.... Tune up status? Link to comment Share on other sites More sharing options...
Falcone Posted March 10, 2010 Report Share Posted March 10, 2010 Front o2 sensor's fcked, or possibly slipped a couple teeth Link to comment Share on other sites More sharing options...
Canadianplat855 Posted March 10, 2010 Author Report Share Posted March 10, 2010 If it is truly a backfire you have either uncombusted fuel igniting in the exhaust somewhere or you have a bad timing issue. What have you done to the car recently that may relate to this??? I haven't done anything for a little while. Stage 0 is done. I just installed new vacuum lines to see if that was the issue. Is doing it. :( Link to comment Share on other sites More sharing options...
Canadianplat855 Posted March 11, 2010 Author Report Share Posted March 11, 2010 Well I pulled my OEM plugs out that are sub 5000km old, and found the ceramic on one had a hair line crack. Local dealership gave me a new set for free. Also a Volvo wine opener kit!!!! Link to comment Share on other sites More sharing options...
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