1998 GMC C1500 Retreiving OBD2 codes

Tiny
DAVID WRIGHT
  • MEMBER
  • 1998 GMC C1500
  • V8
  • 4WD
  • AUTOMATIC
  • 79,000 MILES
Is there any way of retreiving trouble codes without a scanner, such as the old way on some Chryslers you could turn the ignition switch from off to on three times? The service engine soon light came on but there seems to be no change in idle, fuel milage, or anything else that I can tell. 1998 GMC K1500, 5.7 L, 79,000 miles. Thanks for any help.
Wednesday, November 5th, 2008 AT 11:24 PM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
You need a scanner. Autozone may do this for free, if not pick up a code reader.

The CEL can illuninate and have no obvious performance problems. One such scenario is an evap code where your fuel vapors are not being contained.
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Thursday, November 6th, 2008 AT 4:37 AM

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