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I have an 06 gmc envoy xl with 4.2 6 cyl. I had it scannedand the codes c0455 and c0244 come up. What are they and how can i fix them?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 375 Answers

SOURCE: check engine light on - 2003 gmc envoy XL

That code represents a lower than expected reading for temperature (coolant). First thing to do is check your coolant level, as if it is low, then the sensor can not read correctly. Second, you may have a thermostat that is stuck open, allowing the coolant to cool off too much. The sensor should be mounted on top of the engine, near the thermostat housing.

Posted on May 18, 2008

  • 4 Answers

SOURCE: My 2004 GMC Envoy XL cluster instrument gaeges

you got a bad earth on your wiring loom its probley under dish..
you will need to find it and repair it..

Posted on Mar 09, 2009

roniecon
  • 6826 Answers

SOURCE: I have 2003 gmc envoy my front ac control does not

Need to check to see if the blower motor is running.If it is,but not threw the vents,most likely a vent door actuator motor.The actuator motor in this case would be bad,it is hard to get to,unless you are mechanically inclined,You can do it your self.If the blower motor is bad,just replace it.Check fuses first,and the blower relay.If I can help,let me know.

Posted on Aug 29, 2009

  • 11 Answers

SOURCE: 2006 gmc envoy denali xl check engine on,did

possilbe fuel level sensor

Posted on Sep 10, 2010

wyet_helps
  • 339 Answers

SOURCE: hi i have a code

{: ) DTC P0506 Idle Speed Low
The usual cause is an excessive carbon build-up on the throttle body. If this is the case, I suggest you have your throttle body cleaned and perform an idle relearn procedure using a GM scan tool. The idle relearn or reset procedure is very important, otherwise this code may still remain even after a throttle body clean.
In a similar fashion, if the ECM/PCM (engine control module) of a high mileage vehicle is replaced and/or reprogrammed without performing the Throttle/Idle Learn procedure, the ECM/PCM may no longer compensate for existing carbon build up in the throttle body, causing it to return with a similar concern as well as DTCs P0121, P0506, and/or P0507.
There are other conditions that can also affect or reduce idle speed by increasing engine load like incorrect torque converter clutch (TCC) operation, accessories that require additional torque to operate, restricted exhaust, and mechanical conditions that limit engine speed.

Posted on Aug 03, 2011

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1 Answer

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Hello
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http://www.answers.com/Q/Speed_sensors_2005_gmc_envoy

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36ff43f.jpg

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