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1995 Chevy Suburban Coolant temp sensor

Tiny
MRUNOWSKI
  • MEMBER
  • 1995 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 16,000 MILES
I have a 95 suburban 5.7L TBI. When it is warmed up chuggs and sputters when I give it more than a 1/4 pedal. I discovered that my coolant temp sensor was bad by pulling the plug on it and the check engine light came on, but it runs way better and does not chug. I understand that it is sort of a default mode now but when I replaced the sensor it ran like it did before. My qustion to you is what is the proper way to rest the ecm code in the computer? I installed the new one without reseting the computer, and it ran bad. Then I unhooked the battery, installed the new sensor, then hooked the battery back up and it still runs bad. What should I do?
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Thursday, March 6th, 2008 AT 3:41 AM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
For starters have the PCM (computer) scanned for codes, Autozone will do it for free. If the PCM sees a problem it will store a code that will help in diagnosing the problem, get back with the exact codes
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Thursday, March 6th, 2008 AT 8:07 AM
Tiny
MRUNOWSKI
  • MEMBER
  • 2 POSTS
They will not scan anything older than a 96. Is there a trick or somthing I can do by myself. I dont want to have to pay somone for a simple sensor problem
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Friday, March 7th, 2008 AT 6:50 PM

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