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In the Fires of Hell.....
Join Date: Oct 2007
Location: Phoenix, AZ
Posts: 3,762
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Might be a vacuum leak, one of the speed/reference sensors going out on you, spark plug wires.... Many things.
Hard to tell via a forum.
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PCA Instructor: '88 951S - with LBE, Guru chips, 3Bar FPR, 1.3mm shimmed WG, 3120 lbs, 256 RWHP, 15 psig boost
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