Question about 2007 Buick Lucerne CXS Sedan
Temp gauge won,t work at times and check engine light come on i disconnect neg battery cable and reset it work for a while then the same things happens amonth or so later
Posted by Anonymous on
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Posted on Jan 02, 2017
Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with one of the components or sensors it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you need to diagnosed and repaired it. The list of possible codes number in the hundreds. The code itself doesn't tell exactly what component is defective - it only indicates where to look, or what engine parameter is out of normal range. Even if you reset the light, if the underlying problem is not addressed it will come back on. If you want to reset the light don't disconnect the battery cable, find a buddy with a code reader.
Posted on Mar 10, 2009
did you try to start it in neutral? A new battery, fully charged should be 12.7 volts, but the battery gauge on the dash isnt really accurate., make sure the battery connections are clean and tight. If all is ok and it wont start in neutral, try this. hold the key on like you are trying to crank it, now have someone tap on the starter, with a hammer, wrench ect. if it now starts, replace the starter.
Posted on Oct 12, 2009
First, be sure that there is a ground strap, cable or wire from three spots:
1. from neg. side of battery to block
2. from block to firewall
3. from firewall to battery
The above will give you a good ground. You might also want to add a ground from one of the above to the vehicle frame just to be sure.
Posted on Dec 02, 2009
I did the exact thing with my '98 buick LeSabere. I am certain that the dealer would have to look at the components and relays and fuses. I had problems with Precision tune mechanics telling me there is nothing wrong with the electrical system, even though I still get a Flashing temp gauge and do not get FULL heat even when it's blasted to 90ºf . [Precision Tune got heat on the windshield and floor.] Moreover, the car is possessed with glitches; I am not getting heat on the windshield and the floor is not hot enough to warm the cabin.
Posted on Dec 16, 2009
SOURCE: wife has 2006 Buick Rainier
THESE ARE POSSIBLE CAUSES TO YOUR PROBLEM. CLASS 2 CIRCUIT IS OPEN SHORTED TO GROUND OR TO B+. THE PCM IGNITION POWER CIRCUITS HAS A HIGH RESISTANCE CONDITION. THE PCM MAIN GROUND CIRCUITS HAS A HIGH RESISTANCE CONDITION. THE SDM MODULE COULD BE SHORTED PULLING THE VOLTAGE LOW. THIS MORE LIKELY DEALERSHIP FIX.
Posted on Feb 07, 2011
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