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Pontiac won't run.

Tiny
FOXYOWL10
  • MEMBER
  • 1997 PONTIAC GRAND PRIX
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 130,000 MILES
I just changed the computer in my 1997 pontiac grand am, 2.4l. After I was done the car will only start then shut right back off. Whats my problem? I also need an owners manual.
Friday, July 29th, 2011 AT 3:29 PM

18 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
For the owners manual try, gmownercenter. Yahoo. Com
You have to register your vehicle, year--make--model all that good stuff. It's free. Follow the links.

As far as the computer, try a relearn procedure.
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Friday, July 29th, 2011 AT 3:55 PM
Tiny
JDL
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If the security/theft lite is on when it stalls, leave the key on and wait for the lite to go out, may take about ten minutes, then cycle the key off and try to restart.
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Friday, July 29th, 2011 AT 4:20 PM
Tiny
FOXYOWL10
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I located a manual on ebay. I will try what you said to do Thank You Very Much.
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Friday, July 29th, 2011 AT 4:23 PM
Tiny
JDL
  • MECHANIC
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Have a good day.
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Friday, July 29th, 2011 AT 4:31 PM
Tiny
FOXYOWL10
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The ets off light is on. When car is in gear and you push the throttle to the floor the rpms donot rise and car takes about a half mile to get to 20-30 mph. How do I fix this problem.
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Friday, July 29th, 2011 AT 5:11 PM
Tiny
JDL
  • MECHANIC
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You may need the computer programmed. Other than that, I don't know?
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Friday, July 29th, 2011 AT 5:24 PM
Tiny
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That was the reason why I replaced the computer. But right now I don, t know if replacing the computer fixed that problem or not because it won't stay running.
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Friday, July 29th, 2011 AT 5:33 PM
Tiny
JDL
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Any applicable trouble codes? Fuel pressure good?
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Friday, July 29th, 2011 AT 5:37 PM
Tiny
FOXYOWL10
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  • 9 POSTS
When we took the car to the auto parts store last week they tried to check it with their computer & said that they couldn't get any reading so the computer in my car must need replaced, I did that no it won't run. Other than that I don't know have only had the car for a couple of weeks.
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Friday, July 29th, 2011 AT 5:51 PM
Tiny
JDL
  • MECHANIC
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Did you check the data link connector, before replacing anything? Pin 16 has to have voltage or you can't communicate with computer.
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Friday, July 29th, 2011 AT 5:58 PM
Tiny
JDL
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I don't know why they can't communicate with computer?
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Friday, July 29th, 2011 AT 6:01 PM
Tiny
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I have no idea what that is.
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Friday, July 29th, 2011 AT 6:10 PM
Tiny
FOXYOWL10
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With the new computer in it does have power. But I tried what you said to do earlier it didn't work, the car still won't run.
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Friday, July 29th, 2011 AT 6:16 PM
Tiny
JDL
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The datalink connector is below left side of dash. Below steering column.
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Friday, July 29th, 2011 AT 6:25 PM
Tiny
FOXYOWL10
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I know, checked it with tester, it has power to it.
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Friday, July 29th, 2011 AT 6:27 PM
Tiny
JDL
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The new computer needs to be programmed. The dealership may have to do it.
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Friday, July 29th, 2011 AT 6:30 PM
Tiny
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Ok thank you.
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Friday, July 29th, 2011 AT 6:43 PM
Tiny
JDL
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Hope it all works out.
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Saturday, July 30th, 2011 AT 1:24 PM

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