Question about Cars & Trucks
The van is not running hot i changed the sending unit is there more then one
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Posted on Jan 02, 2017
SOURCE: Gas gauge not working
This sounds like the sender unit in the fuel tank is worn or possibly a corroded/ bad earth from the unit itself.
There should be an inspection plate above the fuel tank removal of this should reveal the sender unit and connections, if not can you see on top of it? make sure all connections are clean and not gunged up with corrosion. Try spraying Wd40 or similar around the area whilst wiggling the plugs/wires.
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Posted on Mar 01, 2009
There's two sending units in the intake. The little on with single prong at the t-stat housing is for the guage and the bigger one plastic connector is for ecm.
Your signal is getting grounded somewhere.
Posted on Mar 17, 2009
if the gauge starts a 0 - goes to 1/2 , than full - sounds like gauge is OK - seems to me like the sending unit is bad - you could try removing the sender and trying to clean out the port with "brake clean", letting it dry than re-installing it. the pressure switch is still the least expensive place to start
Posted on Oct 27, 2009
I'm not certain if this engine has coolant bleeder valves, but if it does, make sure there aren't any pockets, particularly around the sending unit. Something is fooling the computer into thinking that things are really, really hot.
Posted on Nov 25, 2009
chances are your sending unit is not bad. These dashes have had alot of problems with stepper motors failing in the instrument cluster. does it go to zero when key is off? is it erratic? changes where it sits when running and when off? These are all problems within the cluster itself. It is not cheap to take this to the dealer. THey will want to replace the cluster. these clusters can be repaired for half the cost if you know where to go. Not sure yet what the rules are on here but i can repair these for about 325 verses over 600 from dealer and then reproggramming costs! One other note. Chevy has a recall on these! call you local dealer and ask what the criteria is for the recall. You may be able to get it repaired for free if you meet the time frame and mileage requirements.
Posted on Feb 01, 2010
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