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Code P0650?

Tiny
DARTH327
  • MEMBER
  • 2001 PONTIAC GRAND PRIX
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 165,000 MILES
Some partially melted wire harness connectors on top of the engine. No obvious separations. Need to know which wire [ harness segment, color] to start inspection for mil.[ No mil, p0650] small fire under plastic engine cover about 100 miles ago. Runs good, but I'm weak in electrical issues.
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Friday, September 1st, 2023 AT 1:38 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
The P0650 trouble code is a generic powertrain code that indicates a malfunction in the "Malfunction Indicator Lamp (MIL) Control Circuit."
This guide can help check the connections:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the images (below). Please let us know what happens.
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Saturday, September 2nd, 2023 AT 4:37 PM

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