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2001 Chevy Astro Service Engine Soon Light

Tiny
4398AL
  • MEMBER
  • 2001 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 79,000 MILES
What causes the service engine soon light to come on. I've had the gas cap replaced.
Tuesday, October 12th, 2010 AT 6:06 PM

3 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
It means that the vehicle's computer system has detected a problem with something and stored a trouble code(s). Your local auto part store can retrieve the trouble code(s) that are stored for you. Post the codes here and I will follow up.
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Tuesday, October 12th, 2010 AT 6:21 PM
Tiny
4398AL
  • MEMBER
  • 2 POSTS
I took the van to the auto parts store and they hooked up the device to the van and came up with code P0446. Something about fuel vapor not burning properly. The car has not behaved differently from before the light came on. What should I do now?
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Monday, October 18th, 2010 AT 2:50 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
It could be a loose or poorly fitting cover to the air filter, which often follows a quick oil/lube service. Or the vacuum hose that fits to the vent solenoid is loose or off, often from the same type of service. The solenoid and vacuum ports are often attached to the air filter cannister.
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Monday, October 18th, 2010 AT 3:41 PM

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