I need to pass california emissions and my car i failing at idle and the timing is off. The problem is my car idles around 1500 when you first start it and drops only to 1250 when its warmed up, it runs pretty well and it passes emissions in every other area including high rpm emissions. The idle screw is turned all the way down and I have had the vacuum lines checked for routing and leaks, no problems. Occasionally the idle jumps up and down and I did notice once that blocking the intake hose?/air flow tube? when the car was cold seemed to drop the idle a bit but does nothing when its warm. please help!
Check the spark plug gaps, and make sure that the plug wires are on correctly
Their is a electric plunger type throttle speed control that should be bellow the throttle screw or on the opposite side of the throttle butterfly u should be able to un plug this or at least ajust it to slow it down when the throttle speeds up and down listen in the engine compartment for a clicking noise it will be hard to hear . when u have found it unplug the relay thats clicking and replace because its faulty and causeing your problem
Try resetting the computer by unhooking the battery for ten minutes
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disconnecting the battery didn't help
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