2000 PONTIAC GRAND AM PROBLEM

  • Tiny
  • alexisgarver
  • 2000 Pontiac Grand Am
  • 180,000 miles

I replaced both o2 sensors and spark plugs car will not stay running or idle what do I do?

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Thursday, October 4th, 2012 AT 11:08 AM

5 Replies

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

Should not have replaced anything till you know the failure.

Is the check engine light on?

Look for vacuum leaks. Idle air control may not be working. Throttle body may need to be cleaned.

Roy

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Thursday, October 4th, 2012 AT 11:10 AM
  • Tiny
  • alexisgarver
  • Member

Yes I scanned for codes before I did do anything and it only said oxygen sensor problems. Replaced those and spark plugs and didnt help. Could it be the coil pack?

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Thursday, October 4th, 2012 AT 11:17 AM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

What were the codes? O2 codes do not mean they need to be replaced, just that they cannot do there job.

No coil pack as it will not cause only an idle issue.

Did you check what I requested?

Roy

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Thursday, October 4th, 2012 AT 11:23 AM
  • Tiny
  • alexisgarver
  • Member

It starting putting going up a huge mountain and then couldn't get it to go pass 30 mph when I pull off it just shut off on me. It starts just won't stay running it backfires when you start it also now it idles real ruff and then stalls out

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Thursday, October 4th, 2012 AT 6:39 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

I would check the fuel pressure to verify 40-45 lbs

Roy

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Thursday, October 4th, 2012 AT 11:10 PM

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