2003 Silverado 4.8
When cold it is idling at about 800-900rpm as it should.
Once it warms up it drops down to 400-500rpm anytime you are stopped.
If in gear it want's to die.
The check engine light is not on.
Any idea's what is causing this ????????????
TIA
When cold it is idling at about 800-900rpm as it should.
Once it warms up it drops down to 400-500rpm anytime you are stopped.
If in gear it want's to die.
The check engine light is not on.
Any idea's what is causing this ????????????
TIA