Re: What does dtc code u1039 mean, for the sevrice engine...
Hello, This Code means the vehicle speed sensor is not putting out a signal to one of the components. The connector could be wet or corroded or the bad could just be bad.
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Code 457 is for a leak found in the evap system which vents the gas tank to the vapor canister. The gas cap could be loose, or damaged. Or there could be a leak somewhere in the tank vent or lines.
Congratulations on getting it to run like a champ.
The ABS light is likely due to a bad wheel speed sensor, which would be consistent with the speedometer coming and going.
Try to get an Actron Brakescan Tool for about $99 or so plus shipping, and you can scan the codes and get English explanations of which circuit is bad.
I purchased one to diagnose and repair a 1997 Cadillac Deville. The Actron Brakescan tool covers most American vehicles from 1996 to 2005. So, this diagnosis should be right up the alley of this tool.
One can go from there as far as checking out the sensors and the wiring more closely.
Hello I need a help. I have 1999 lincoln town car 4.6L V8.They have check engine light on. P 0303 cylinder 3 missfire. I was changed spark plugs,fuel filter. check compression test 150psi. fuel pressuer 50. swiching cylinder 1 to 3 fuel injector and coil. but they still have engine code
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