MITSUBISHI
Reported code forms P0401
SUBJECT REGARDING DIAGNOSTIC TROUBLE CODE P0401. *SLC
HomeP0401 · Manufacturer communications
P0401 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
MITSUBISHI
Reported code forms P0401
INFORMATION ON DIAGNOSING EGR DIAGNOSTIC TROUBLE CODE P0401 ON 1999 - 2002 MODELS. *TT
FORD, MERCURY
Reported code forms P0401
SOME VEHICLES MAY EXHIBIT A CHECK ENGINE LIGHT AND/OR EGR DIAGNOSTIC TROUBLE CODES 332, P0401, P1407 (LACKOF EGR FLOW). *TT
FORD
Reported code forms P0401
SOME VEHICLES WITH A 2.0L ZETEC ENGINE MAY EXHIBIT A DIAGNOSTIC TROUBLE CODE P0401 OR OTHER DPFE RELATED DIAGNOSTIC TROUBLE CODES. *TT
SATURN
Reported code forms P0401
SOME CUSTOMERS MAY COMMENT THAT THE MALFUNCTION INDICATOR LAMP (MIL) SERVICE ENGINE SOON TELLTALE IS ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE (DTC) P0401 PRESENT OR STORED IN POWERTRAIN CONTROL MODULE (PCM) MALFUNCTION…
FORD, MERCURY
Reported code forms P0401
SOME VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ON WITH EGR SYSTEM RELATED DIAGNOSTIC TROUBLE CODES P0400, P0401, P0402, P1400, P1401, P1405, P1406, P1408, P1409. *TT
FORD
Reported code forms P0401
SOME VEHICLES EQUIPPED WITH A 3.0L DURATEC (24V) ENGINE MAY EXHIBIT DIAGNOSTIC TROUBLE CODE (DTC) P0401 AND / OR P0402, RELATED TO THE EXHAUST GAS RECIRCULATION SYSTEM (EGR). *TT
FORD, MERCURY
Reported code forms P0401
SOME VEHICLES EQUIPPED WITH A 3.0L 2-VALVE ENGINE MAY EXHIBIT A MALFUNCTION INDICATOR LAMP ON WITH A DIAGNOSTIC TROUBLE CODE P0401 AND / OR P1408 STORED IN MEMORY. THIS MAY BE CAUSED BY INSUFFICIENT EXHAUST GAS…
FORD, MERCURY
Reported code forms P0401
VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ON WITH A DIAGNOSTIC TROUBLE CODE (DTC) P0401 AND/OR P1408 STORED IN MEMORY. THIS MAY BE CAUSED BY A LOSS OF VACUUM TO THE EXHAUST GAS RECIRCULATION SYSTEM BECAUSE…
HONDA
Reported code forms P0401
INFORMATION ON TROUBLESHOOTING EXHAUST GAS RECIRCULATION (EGR) DIAGNOSTIC TROUBLE CODES (DTC) P0401 AND P1491. *TT
ACURA
Reported code forms P0401
SOME VEHICLES BUILT WITHIN VIN 19UYA2 ... XL005044 AND 19UYA2 ... XL005158 MAY EXHIBIT A MALFUNCTION INIDCATOR LAMP ON AND DIAGNOSTIC TROUBLE CODE P0401 (INSUFFICIENT EGR FLOW) IS SET. *TT
FORD
Reported code forms P0401
CONCERNS WITH MALFUNCTION INDICATOR LAMP (MIL) ON AND DIAGNOSTIC TROUBLE CODE (DTC) P0401 (INSUFFICIENT EXHAUST GAS RECIRCULATION (EGR) FLOW). *TT
SATURN
Reported code forms P0401
CONDITION WITH THE MALFUNCTION INDICATOR LAMP ON WITH DTCS P0401, P0404, P0405, P1404 AND / OR P1406 STORED. *YC
FORD
Reported code forms P0401
MIL ON - DTC P0401 MIS-ROUTED VACUUM HARNESS. *KB