P0495 Diagnostic Trouble Code Discussion for September 2011
Cooling Fan Speed High
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| Help Request | Posted | |
| 2003 GMC Envoy XL SLT 4.2L Poor Fuel Economy, MIL Lamp on VIN: 1GKET16S73 P0495: Cooling Fan Speed High. ... this one! This Envoy came in a few months ago complaining bout fuel milage. We did a complete tune up: plugs, boots, fuel filter, and cleaned the throttle plate. We also told him to run some Sea Foam in the fuel to help clean the injectors. He came back bo... |
September 20, 2011 |
