Blacktop Strat Wiring Diagram

This could be an airleak after the airflow meter, any expose dragged in here isn t seen by the ECU and as a result not compensated for and can thin the engine out and can moreover allow the engine to rev stirring taking into account not desired causing scratchy running. As its a mechanical malformation it tends not to direction on the anomaly well-ventilated and you can sometimes hear a hissing noise subsequently the engine running.

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Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a tiny more nearly the trouble history. It currently has a master tech credited idle ventilate run valve and tps installed. without moving anything, the last (used) ecu and my original, would direct in the car without this symptom.

next I start the car, the engine surges stirring amid 1200 and 2000 rpm urge on and forth. I distorted the IAC and the TPS in the manner of no change in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to get used to the idle speed screw to degrade the rpm and it would support for a while. Now, the engine is permanently surging to the point where I cannot drive it for siren of damage to the steer train. Any experienced solution?

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