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05-31-2007, 12:49 PM
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#1 | |
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AF Newbie
Join Date: May 2007
Location: Zion, Illinois
Posts: 3
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91 lumina that thought had a vaccum leak
fixed vaccum leak still chugs and stalls idle is very spratic. doesn't want to go and is running really rich. Checked and changed egr value gaskets. its a 3.1 mfi does it have a vaccum reservor?? Cause my 93 lumina does but this one doesn't. think my daughters father may have taken it or attempted to kill my car and me.
Last edited by weelr666; 05-31-2007 at 10:24 PM. |
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06-03-2007, 12:12 AM
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#2 | |
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Registered Offender
 
Join Date: Mar 2006
Location: Rural
Posts: 6,562
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Re: 91 lumina that thought had a vaccum leak
Some potential "hidden" vacuum leaks are the EGR valve (which you have apparently already investigated), the brake power booster, lower 'O' rings on the fuel injectors, PCV valve and CCV system, EVAP canister purge line, MAP sensor seal or hose, and probably others I'm overlooking.
Do you have an idle vacuum reading (with a vacuum gauge)?
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