1995 MONTE CARLO RUNS ROUGH

  • Tiny
  • czr1760
  • 1995 Chevrolet Monte Carlo
  • 6 CYL
  • FWD
  • automatic
  • 120,000 miles

I just bought a 1995 Monte Carlo with a 3100 V6 120K miles. The car ran & ideled fine when purchased with no problems. I drove the car to work today, no problems & as soon as I started to come home today the car started idling rough, accelerating sluggish with a noticable "hollow popping" sound from the engine when accelerating. The check engine light came on and stayed on. I am not able to check the flash codes because I have a 12 pin plug with only two wires at A & M. Is there a way to "jumper" this connector to check for flash codes. The car's previous owner didn't know much about the car because he had just purchased it, but he had a new battery, radiator, thermostat and hoses put in as well as a new serp belt. The cooling fan was loose, which I tightened. I changed the oil and installed a new tesioner pulley. I didn't pay much for the car and can't afford to put much more into it. Please help.

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Friday, March 11th, 2011 AT 2:57 AM

2 Replies

  • Tiny
  • rasmataz
  • Member

Jumper A to B terminal

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Friday, March 11th, 2011 AT 3:12 AM
  • Tiny
  • czr1760
  • Member

There are only two wires coming from the ALDL plug (black and tan), but nothing in "B". The wires are only in A & B? I've read that GM had a hybrid on some cars 95 monte was one of them. Is this something that can only be read by using a scanner? Thanks for the help.

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Friday, March 11th, 2011 AT 12:59 PM

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