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07-24-2007, 12:15 PM
| #1 |
| Junior Member Join Date: Jul 2007
Posts: 1
 | 89 blazer my 89 blazer has a 4.3 engine and it has a very eratic idle and it is not very drivable |
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07-24-2007, 12:36 PM
| #2 |
| Senior Moderator  Join Date: Apr 2005 Location: Cali-4 Nye-Aye?
Posts: 1,178
 | Have you done any diagnostics like checking for vacuum leaks?
__________________ MEOW!! |
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07-24-2007, 12:41 PM
| #3 |
| Moderator  Join Date: Feb 2006 Location: michigan
Posts: 3,918
| you need to be our eyes and ears here since we can't be there in person. more info would help out alot, like when it started, things you have checked and such. could possibly be a vacum leak
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07-28-2007, 07:05 PM
| #4 |
| Moderator  Join Date: Apr 2005 Location: Texas
Posts: 3,101
| Ditto. Possible vacuum leak or idle air control sensor would be my guess. Need to pull the codes and see if anything pops up.
__________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4 |
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