Question about 2002 BMW 3 Series
What may cause the misfire? I turned on my car and it started to misfire. I havn't change the spark plug in about 3 years would that cause it to misfire?
Misfire happens because there is still fuel not burned in the cylinder so when its pushed out its burned in exhaust tube because the heat thats why you hear these small explosions. this caused if your sparking pluge not firing well . or there is a leak in the intake valve . in your case i advice you to check your sparking plug . if this helped pls vooote
Posted on May 31, 2009
Read the codes & check bmw forums. Changing plugs is a good idea after 3 yrs. Don't go to dealer, find a competent person/shop that will do it cheap, I can literally do the task with my eyes closed.
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Posted on Jan 02, 2017
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