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Thread: EGR valve
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Old March 22nd, 2006, 09:47 PM   #5
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A stuck open EGR would cause a poor idle or stalling at idle...quite easy to diagnose. A lean condition, if in fact it is truely stuck lean and not a HEGO problem, could be an injector problem, a vac leak, plugged fuel filter, bad fuel pump....if you have no drivability problems, I would lean toward a HEGO failure or an exhaust leak.
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