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Re: 1993 suburban very low idle in gear
the distributor is fine,i just changed the coil, spark plugs,distributor,rotor,the throttle positioning sensor,and the idle air valve,still no change.tomorrow the fuel filter and wires,then i dont know were to go.if i take off the vacuum line going to the egr valve and cap it,it wont bog down when i accelerate from a dead stop but still idles low.please help i am going crazy.
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