MY TEMP GAUGE ISN'T WORKING PROPERLY

1998 Chevrolet Cavalier

Tiny

tjsk8boardz

August, 14, 2012 AT 8:31 PM

I've tried replacing a coolant temp sensor but it still isn't working, I only get a reading within the first quarter on my gauge but hardly anything higher than that. Any ideas?

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18 Answers

Tiny

rasmataz

August, 14, 2012 AT 8:41 PM

-Test the thermostat-start here and then let me know

Tiny

tjsk8boardz

August, 14, 2012 AT 8:46 PM

Already replaced that too, forgot to mention it earlier

Tiny

rasmataz

August, 14, 2012 AT 8:50 PM

Check the CTS wiring back to the computer for open/short circuit

Tiny

tjsk8boardz

August, 14, 2012 AT 9:03 PM

Ok now where is the computer located? How can I test it?

Tiny

tjsk8boardz

August, 14, 2012 AT 9:03 PM

And if theres no short or open circuit what else can you suggest?

Tiny

rasmataz

August, 14, 2012 AT 9:08 PM

What liter engine?

No short or open in the CTS circuit-could be the computer or the Cluster itself

Tiny

tjsk8boardz

August, 14, 2012 AT 9:30 PM

Its the z24, 2.4l twin cam engine. I have a new connector plug for the themp sensor incase if the needed to be replaced but I haven't gotten around to changing it yet and I wanted some advice before I went and did it anyway

Tiny

tjsk8boardz

August, 16, 2012 AT 1:27 AM

I completely forgot to mention that my car has a manual override switch for the rad cooling fan, I guess the fan wasn't turning on by itself so someone put it in, now I was wondering if the way they wired it would affect the temp gauge? They bypassed
everything the way they wired it in, they ran a wire from the switch to a random relay outside of the fuse box, then from that relay to the fuse box and from there they wired it to the cooling fan relay and fuse. Which I don't think makes any sense at all, but would that have an affect on my problem?

Tiny

rasmataz

August, 16, 2012 AT 10:21 AM

Check if the cooling fan is turning the right way

Tiny

tjsk8boardz

August, 16, 2012 AT 1:48 PM

Ok, is it supposed to turn clockwise or counter clockwise looking in the engine compartment?

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