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SYour computer also shows codes - OBD1 flashing light on dash then count flashes with proper pins jumpered. Even disconnecting the...
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SSteven94 replied to the thread 1995 Yukon High Idle.Waiting for it to come in
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SAt this point rather then continuing to throw psrts at it you should probably use a scan tool thst shows what the different sensors are...
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SSteven94 replied to the thread 1995 Yukon High Idle.High idle starts after driving low idle starts as soon as I turn it on but sometimes it’ll start to high idle after a few minutes warming up
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SIs it happening only when the brakes are applied (brake booster)? GM published diagnostic procedures in the manual. The link is in...
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SSteven94 replied to the thread 1995 Yukon High Idle.Sorry, 1995 Yukon 5.7 it has a low idle when turning on like 500 rpm almost to the point of dying. Once your driving the rpms will shoot...
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SSteven94 replied to the thread 1995 Yukon High Idle.Would a vacuum leak also cause it to have a low idle? Like low to were it sounds like it’s about to die?
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SRead the manual section for resetting Idle Air Control. Thats 1st step.
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S95, is it a Vortec engine? If TBI then it's most likely the throttle body gasket. If you have a scan tool check IAC and see if it's...
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SCheck the gasket under the TBI unit. They are known to crack and disintegrate with age. This will cause a huge air leak and allow it...
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SMy 1995 Yukon is having a high idle issue and I've already replaced the EGR valve, EGR Solenoid, TPS and its still having issues any...
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