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every silverado through1994 had problems with the thermostat. i have replaced mine 3 times and finally i just got auto meter gauges. buy some cheap autometers and hook it up and i guarantee it will read normal. also oil pressure gauge problems often occur. while your in their you might as well replace that too with an autometer gauge.

2009-10-15 16:47:29
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Q: How many temperature sensors are on a 90 silverado the temp gauge sometimes goes to 240 but the radiator water temp is 140?
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