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1999 Other Chevrolet Models Car is missin

Tiny
KSTANEART
  • MEMBER
  • 1999 CHEVROLET
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 93,000 MILES
My car is missin, we changed the air filter, spark plugs, and we added a fuel and injector cleaner. Car is still missin, what else can I check or do before a machanic is required?
Wednesday, March 11th, 2009 AT 7:06 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
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Wednesday, March 11th, 2009 AT 7:10 PM

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