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Reply With QuoteU can try temp sensor...its on the intake next to thermostat housing...on left I believe...mine was cracked...
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This is a discussion on Engine Temp Gauge within the Technical / Maintenance forums, part of the General Discussion category; I have a 94 Silverado 4x4 with a 5.7 litre V8 engine. The temp gauge has began to fluctuate consitantly ...
I have a 94 Silverado 4x4 with a 5.7 litre V8 engine. The temp gauge has began to fluctuate consitantly and when it hits the "peg" or top of the gauge the check engine light comes on. Is this possibly a faulty sensor? If so where is it located on the engine? Or is it in the gauge itself? I've heard that if it is the gauge, then I have to replace the entire panel not just the gauge, which is very expensive!? Thanks for any and all help.
U can try temp sensor...its on the intake next to thermostat housing...on left I believe...mine was cracked...
Not quite right. The sensor by the T-stat housing is for the computer only.Originally Posted by 2000Chevy4x4
The sensor for the guage on the dash is in the drivers side cyl. head. I believe its a one wire connector.
Also when you say "fluctuate" do you mean it does it slowly or just randomly jumps around quick???
<------Thanks to Mean Green
1994 K1500 ECSB Z71 5.7L 350
1997 K1500 ECSB Z71 5.7L 350 Vortec
Yeap, between number 1 & 3 cylinder
wah!
If it ain't a Chevy, or a Peterbilt, it doesn't count!
1996 1 ton crew, single wheel, 350, 4L80E
1989 3/4 ton. Parked for good, ready for the salvage yard
2003 Chevy Venture (wife's)
yeah thats the one^^^^^^^
1994 K1500 ECSB Z71 5.7L 350
1997 K1500 ECSB Z71 5.7L 350 Vortec
Thanks for the info! I mean it bounces from the bottom to top and back, (cold to hot to cold) very quickly. Sometimes it will max out and quiver there and other times it will just quiver at the running temp. When it is hitting the top I notice the engine runs a little rough or misses a little. I didn't mention anything bout it running rough before.
Again thanks for your help. I hope this is what the problem is.
Hey man, thanks for the pic it is a huge help. Hopefully that is the problem!
Disconnect the sensor,pictured above, see if the gauge still malfunctions. Yes, you can run it without it.
wah!
If it ain't a Chevy, or a Peterbilt, it doesn't count!
1996 1 ton crew, single wheel, 350, 4L80E
1989 3/4 ton. Parked for good, ready for the salvage yard
2003 Chevy Venture (wife's)
Will do. Thanks a ton!!!
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