Fault Code Description |
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Fault Code Conditions |
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Fault Time Condition |
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DME: Air-mass system |
Service Plan |
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Mass or Volume Air Flow Too High |
Fault Impact |
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Voltage in onboard electrical system >= 10 V Terminal 15, engine on Mass airflow data monitor 6 % < relative charge <120 % -20° < induction air temperature < 85 °C 560 1 rpm < engine speed < 7200 rpm Time after start > 30 sec. Regardless of whether EVAP is active/inactive |
Warnings |
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Service Notes |
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1) Visual inspection of HFM plug contacts 2) Check wiring between HFM and DME 3) Check induction system/crankcase for leaks (the positive crankcase ventilation system can allow vacuum leaks with air from the crankcase entering the manifold, for instance, if vacuum line from brake booster to vacuum pump is leaking) 4) Check for DISA diagnostic fault code entries and DISA control operation (DISA fault does not prevent HFM plausibility check) 5) Carry out VVT travel limit initialization routine |