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post #1 of 2 (permalink) Old 04-03-09, 08:06 PM Thread Starter
Performance...all the way
 
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Join Date: Oct 2008
Location: knoxville TN
Age: 27
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Check engine light help!

Earlyier the check engine light came on while driving, i turned it off then back on, and the light was off, then came on again a while later. i noticed that when the light is on, and im idling in gear, sometimes the pressure guage bounces down thern back to normal. Could this be the EGR valve? I cleaned out my manifold a little and noticed that the inside the manifold where the EGR valve connects was completly clogged. (I cleaned it out of course) But if i blow in one of the holes there isnt any air flow.


1993 Thunderbird LX, Stroked 4.2L Complete Cold Air Intake, AOD w/stage 2 shift kit(soon to be 5speed)
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post #2 of 2 (permalink) Old 04-05-09, 11:46 AM Thread Starter
Performance...all the way
 
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Join Date: Oct 2008
Location: knoxville TN
Age: 27
Posts: 405
Re: Check engine light help!

FIxed it, When i cleaned my manifold i must have snapped the hard vacuum line from the EGR in two peices.

The pressure guage had me worried there for a minute

1993 Thunderbird LX, Stroked 4.2L Complete Cold Air Intake, AOD w/stage 2 shift kit(soon to be 5speed)
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