2000 Pontiac Grand Prix GT. Replaced coolant temperature sensor and now temp gauge is reading steady at above 260. How do I reset this?

Asked by Mar 01, 2014 at 06:38 PM about the 2000 Pontiac Grand Prix GT

Question type: Maintenance & Repair

1 Answer

58,895

Sounds like the new sensor is defective or the wiring going to it is damaged and touching something metal. If a bare spot on the wiring is touching something metal this can force the gauge to hot. Unplug the sensor and start the engine (ignore the service engine soon light). Does the gauge now read cold (160°)? If you didn't get a Delco sensor it may not work correctly. At NAPA, where I work, we have trouble with GMs and aftermarket coolant temperature sensors. HTH. -Jim

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Pontiac Grand Prix Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Pontiac Grand Prix Experts

#1 Js08016
Js08016
Reputation 3,870
#2 Tom Demyan
Tom Demyan
Reputation 2,570
#3 munron
munron
Reputation 2,060
View All

Related Models For Sale

Used Chevrolet Impala
937 Great Deals out of 35,463 listings starting at $1,995
Used Pontiac Bonneville
8 Great Deals out of 669 listings starting at $995
Used Chevrolet Monte Carlo
13 Great Deals out of 1,701 listings starting at $2,000
Used Pontiac Grand Am
1,699 listings starting at $1,000
Used Chevrolet Malibu
1,122 Great Deals out of 82,793 listings starting at $1,800
Used Chevrolet Camaro
475 Great Deals out of 39,921 listings starting at $3,499
Used Ford Mustang
583 Great Deals out of 41,215 listings starting at $1,699
Used Nissan Maxima
413 Great Deals out of 24,331 listings starting at $1,895
Used Buick Regal
162 Great Deals out of 11,415 listings starting at $1,995
Used Jeep Grand Cherokee
999 Great Deals out of 65,973 listings starting at $1,500
Used Nissan Altima
1,068 Great Deals out of 82,299 listings starting at $1,900

Used Cars For Sale

2007 Pontiac Grand Prix GT For Sale
114 listings starting at $1,997
2006 Pontiac Grand Prix GT For Sale
113 listings starting at $1,550