1997 Chevrolet Malibu how to fix please

Tiny
JAMESRYAN929
  • MEMBER
  • 1997 CHEVROLET MALIBU
  • 3.7L
  • V6
  • FWD
  • AUTOMATIC
  • 162,000 MILES
I have a 1997 3.1 Chevy Malibu. Have a chevy.I have a obd2 and a check engine light on. It says it is the temperature sensor so I replaced it with a new one. I had also rested the codes. The check engine light came back on so I checked it again with the obd2 and it says the same thing again. Now what should I do?
Sunday, February 23rd, 2014 AT 8:24 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 34,330 POSTS
Diagnostic fault codes never say to replace parts or that they're defective. They only indicate the circuit or system that needs further diagnosis or the unacceptable operating condition.

You didn't say which temperature sensor was listed in the code. You need to start by measuring the voltage on its signal wire or with a scanner to see why the code set. Temperature sensors hardly ever fail because there's just one component in them. It's more common to find corroded or stretched terminals in the connector, or broken wires.
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Sunday, February 23rd, 2014 AT 9:13 PM

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