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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...

Search Auto Parts Search p0128code gmc envoy Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Engine ODB2 Fault Codes paulrice User Nov 20, 2009, 1:11 PM Post #1 of 4 (3830 views) p0128code gmc envoy Sign In ect sensor wwear is it full of antifreeze what does it mean 2003 gmc envoy 6 cylinder 85000 miles Loren Champlain Sr Veteran / Moderator Nov 20, 2009, 6:27 PM Post #2 of 4 (3814 views) Re: p0128code gmc envoy Sign In LF of block, near alternator. Why are you looking for it? Trouble code? Loren SW Washington paulrice User Nov 21, 2009, 8:54 AM Post #3 of 4 (3806 views) Re: p0128code gmc envoy Sign In po128code maybe sensor Hammer Time Ultimate Carjunky / Moderator Nov 21, 2009, 9:51 AM Post #4 of 4 (3802 views) Re: p0128code gmc envoy Sign In That's not necessarily a bad sensor. The code means the sensor is reading lower than the engine should be running. That could just as easily be a bad thermostat causing the engine to actually run too cool. You really need a scan tool to see just when temp the PCM is seeing and whether that is the actual temp of the engine. It can also be related wiring causing the problem. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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