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1991 Chevy Suburban TROUBLE CODES

1991 CHEVROLET SUBURBAN
117,680 MILES • V8 • 4WD • AUTOMATIC
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GALEN0071
  • MEMBER
  • 1 POST
I AM GETTING A CODE 32 ITHINK MY EGR SOLENOID IS BAD ALSO TONIGHT ON HIGHWAY CHECK ENGINE LIGHT CAME ON LOST POWER SCANNED IT GOT A CODE 42 $ 32 SMELLS HOT PIPES LITTLE RED I THINK IM RUNNING WAY RICH EST CIRCUIT GROUNDED IS IT A KNOCK SENSOR OR PICK UP OR COIL
Jun 21, 2008 at 6:17 PM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
I suspect faulty ignition module, EST circuit open or grounded.
Also check barometric sensor.
Jun 22, 2008 at 8:25 AM
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