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2005 GMC Sierra 1500 5.3L MIL Lamp on
Posted to GM Driveability on 12/17/2006 13 Replies

I have looked all over to find a TSB or info stating that aftermarket engine heater will cause a MIL on for coolant sensor. Our shop has installed over 5000 block heaters in last 3 yrs on a City contract to lower Emmisions on cold days. In the last month one o...

FIX posted 1/16/2007

13 Replies Received (View Replies)

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car Vehicle Data

2005 GMC Sierra 1500

VIN [No VIN Available]
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursNot Applicable