2002 Chevy Impala engine light on

Tiny
LGRICE
  • MEMBER
  • 2002 CHEVROLET IMPALA
  • 6 CYL
  • 2WD
  • MANUAL
  • 105,000 MILES
My engine light came on tonight as I was going to work, but I do not here a noise or smeel any thing
Sunday, February 3rd, 2008 AT 2:59 AM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
You need to start diagnosing this by having the codes read and then testing can begin. There are a many reasons for a CEL to come on. Don't disconnect the battery, don't start guessing. There are overides that will happen in some cases that will allow the engine to run close to normal because a default value is being used for example when a failure is coming from a particular sensor. Or there may be an evaproative problem that most often does not affect performance. The CEL is used to say that an emission problem is happening.
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Sunday, February 3rd, 2008 AT 6:35 AM

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