Dash temperature guage reads 250 but engine is 195 - 200

170

Asked by Larry Aug 11, 2014 at 06:20 PM about the 1993 Chevrolet C/K 1500 Cheyenne Stepside RWD

Question type: Maintenance & Repair

1993 Chevy k1500 truck 5.7 engine. New water pump, engine thermostat, and radiator flushed. I checked the top of the engine and it runs at 195 - 200 degrees. I also put on a new engine temperature sender unit which is two wire replacing a one wire unit. I suspect it may be that but I don't know what the ohms should be hot or cold.

61,265

Andrew answered 10 years ago

the 2 wire units will do that, they will peg out a gauge at only 210 becasue of different ohm readings. You need to go back to a 1 wire.

Best Answer Mark helpful

170

Larry answered 10 years ago

I changed it to a one pin and now it is perfect! Thank you...

Mark helpful

Abel answered 6 years ago

I tried everything you guys said and still nothing with my 97 tahoe, gauge for temp is atill stuck way beyond hot.

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Dash temperature guage reads 250 but engine is 195 - 200

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Dash temperature guage reads 250 but engine is 195 - 200

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