missfire getting worse.
#1
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missfire getting worse.
Alright my ls1 z28 has had a miss for a month now. At first it wasn,t that bad, but now its missing all the time. I bought new plugs, wires, and a fuel filter. I also ran some seafoam to clean the injectors. I dont know if the problem is fuel or electrical. But i think its electrical bc every time i get on it a little bit the check gauges light keeps blinking while its missing. Has anything simuler happend to anybody before, or does anybody know what it might be.
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To me it sounds like it could be a bad plug wire or burnt plug. Happened to me. I kept putting in new plugs and it was the O2 sensor fouling it up... Changed the Bad O2 and its been fine every since
#7
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Are you getting P0300? Fuel or electrical are not the only things that cause a misfire-in fact the most common cause is vacuum leak.Check this site:http://www.aa1car.com/random-misfire/
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#8
i am experiencing the same exact problem. the scary thing is i just used seafoam also for my injectors. several ppl have told me it may b a bad o2. im getting it scanned tomorro and hopefully thts wht it is.