P0401 OBD Trouble Code
1 result found
| Type | Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled |
|---|---|
| Description | EGR Flow Insufficient Conditions |
| Cause | No CKP, ECT, EGR Pintle, Fuel Injector, IAC, IAT, MAF, MAP, Misfire, TP or VSS codes set, ECT input more than 167°F, BARO input more than 70 kPa, throttle angle below 1%, engine speed 900-1400 rpm, A/C clutch status unchanged, EGR position less than 1%, VSS input over 25 mph, Transmission status unchanged, MAP, RPM, TP and VSS all steady, then the PCM detected the change in the MAP input in the test was too small for 2 seconds. |
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