Join Now
International Automotive Technicians Network

P1401 Diagnostic Trouble Code Discussion for July 2004

EGR Temperature Sensor Circuit Malfunction


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1401
Help Request Posted
1995 Ford Ranger Splash 4.0L MIL Lamp on VIN: 1FTCR14X6S
P1401: DPFE Signal Voltage too high. ... input on this problem vehicle. Vehicle has failed the CA smog test due to MIL on and high NOX emissions. Verified EGR code P1401 - Hence, EGR has been disabled by ECU. Performed the troubletree Chart procedures and replaced the ECU. Code comes back. Perfor...
July 22, 2004
1995 Ford Ranger Splash 4.0L MIL Lamp on VIN: 1FTCR14X6S
P1401: DPFE Signal Voltage too high. ... input on this problem vehicle. Vehicle has failed the CA smog test due to MIL on and high NOX emissions. Verified EGR code P1401 - Hence, EGR has been disabled by ECU. Performed the troubletree Chart procedures and replaced the ECU. Code comes back. Perfor...
July 22, 2004