2004 CHEVY COLORADO P0506 AND P1133

  • Tiny
  • ckeithuk
  • 2004 Chevrolet Colorado

Computer problem
2004 Chevy Colorado 4 cyl Two Wheel Drive Automatic

My engine lite is on and when I do a diagnostic test P0506 and P1133 are the codes that come up. Can you tell me what they mean?

Tuesday, August 10th, 2010 AT 7:59 AM

1 Answer

  • Tiny
  • bigjoe1986
  • Member

P0506
This means low engine speed and probable causes could be: 1. Vacuum leak on engine.
2. Dirty throttle body.
3. IAC motor defective
4. Poor electrical connection to the IAC valve

P1133
A/F Sensor Circuit Response Malfunction!

Oxygen sensor bank one sensor one slow response or at limit

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Wednesday, August 25th, 2010 AT 6:33 PM

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