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P1549 Diagnostic Trouble Code Discussion for December 2007

Charging System High Voltage


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Trouble Ticket Help Requests for DTC P1549
Help Request Posted
2005 Ford Focus ZX3 2.0L Hesitation, MIL Lamp on VIN: AFADXXMJDD
P1549: intake manifold runner control circ. Thanks Again Car came in MIL on. Possible slight hesitation, logs codes straight away, intake manifold runnners working fine, egr operating fine checked circuits all are fine. EGR and Swirl Control valves share same ref. voltage. Ref. voltage all ok. Thinking ...
December 11, 2007
2005 Ford Focus ZX3 2.0L Hesitation, MIL Lamp on VIN: AFADXXMJDD
P1549: intake manifold runner control circ. Thanks Again Car came in MIL on. Possible slight hesitation, logs codes straight away, intake manifold runnners working fine, egr operating fine checked circuits all are fine. EGR and Swirl Control valves share same ref. voltage. Ref. voltage all ok. Thinking ...
December 11, 2007