2003 chevy cavalier. the temp gauge has gone past its top position and is now interfering with the speedometer. can i fix this?
I have the same problem with my 2005 chev.cavalier.My temp. gage is way pass the red zone pointing straight down to the bottom of the gage. I have already replaced the air temp.sensor and also the engine temp. sensor.I have also replaced the thermastat. But, my temp. gage still has not moved.Can anyone please tell me what I need to do to fix this problem.
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Re: temp gauge off charts
Are you mistaking the engine temp sensor for the engine temp sending unit? The temp sensor is for the fuel injection system and the temp sending unit is for the gauge. If you asked for a sensor thats what they sold you. You need to ask for a sending unit.
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the transmition is electronic and needs to know some info on how the engine is running
it gets this info from a number of sensorm
rpm, air temp, coolant temp, throttle position.
those inputs need to be checked
A bulletin is only to help a mechanic with a known problem a safty campaign would be a free fix,But if you could confirm this bulletin applies to your problem and ypu would call GM customer assitance(phone # in your owners manual) I am sure they would help you defer the cost.
From 2003 to 2006 GM - chevy , pontiac , buick , cadillac , had bad step motors inside the instrument clusters , causing gauges to no work or sporadically . Happened to my 2005 chevy cavalier , went to automotive salvage yard ,got a used one for $20.00 buck's . That was two year's ago , now problems ! How to repair GM Instrument Cluster Speedometer Gauge Stepper
Or you can buy the up graded stepper motors on eBay an fix it .
I first filed a complaint with the BBB Autoline. After getting this on record and printing numerous problems with this vehicle and this issue off the internet, I approached my dealership in Memphis where I have my car serviced. Talk ONLY to the service manager.
He was very kind and agreed this should not be happening to a car just out of a warranty. They did a diagnostics test, made sure it was the cluster, and ordered this part. They replaced it for me for only $100 and this included the diagnostics and all labor. Press this issue, they will work with you.
Both my temp and tach have gotten stuck like all of yours. When either does not zero out after you turn the engine off there is one thing that seem to work every time: 1) put key in ignition, 2) turn the key until you start to feel resistance and then turn it back (turn the key so that the battery is on and stop just before the engine is about to turn over.)
The temp and/or tach will slowly fall a little closer to zeroing out each time you do this.
Generally I have to repeat this half turning of the key a up to a few dozen times before the temp or tach will zero out. From what I have read this is a result of poor wiring that is common with cavaliers of the early 2000s.