P0660, P0661, P0662, P1660
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE lamp on
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P0660, P0661, P0662, P1660
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P0660
Swirl Control Valve Circuit. Open Circuit.
P0661
Swirl Control Valve Circuit. Short to Ground.
P1660, P0662
Swirl Control Valve Circuit .Short To B+
Fault symptoms
Conditions
The following conditions apply for this DTC:
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P660:
Break on the swirl throttle circuit for more than 1.2 s.
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P661:
Swirl throttle circuit shorted to ground for more than 1.2 s.
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P662:
Swirl throttle circuit shorted to B+ for more than 1.2 s.
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Diagnostic help
The DTC may indicate an electrical fault in the swirl throttle circuit; a mechanical fault can be noticed as a loss of performance over 3500 rpm if the throttle is stuck in the closed position. If the throttle does not close over a longer period of time, fuel consumption can increase. In the event of a fault, EGR control is disengaged.
