Join Now
International Automotive Technicians Network

P0402 Diagnostic Trouble Code Discussion for February 2005

EGRC-BPT Valve Function


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 P0402
Help Request Posted
1996 Lexus SC300 3.0L mil VIN: JT8CD32Z0T
P0402: Excessive EGR Detected. I have this Lexus here with a P0402 excessive EGR. It occurs with engine cold (when EGR is not activated) and at highway speeds. From reading posts I believe that the ECM monitors for this code under 100F and at highway speeds. Well I am unable to duplicate th...
February 03, 2005
2001 Ford Ranger XL 4.0L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1FTYR10E11
P0402: excessive egr flow. Hi techs,this Ranger has a driveability issue(bad idle and surge at cruise speeds) with codes;po172 - po175 rich both banks. Also codes;po401 - po402 egr flow insufficient and egr flow excessive. I have install a new mass air flow,egr pressure sensor,2 oxygen ...
February 07, 2005
1996 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MELM50U6T
P0402: EGR flow excessive. Hello all. I replaced the engine in this car because water pump went and customer kept driving until it died. The first code to pop up was P0155 O2 sensor b2 s1 heater circuit malfunction. I swapped left & right sensors and get same code. This makes me thi...
February 10, 2005
2001 Nissan Frontier XE 2.4L MIL Lamp on VIN: 1N6DD21S91
P0402: excessive egr flow detected. ... WEBSITE HAS BEEN A GREAT HELP TO ME PERSONALLY AND TO MY WHOLE SHOP. AND i WOULD LIKE TO THANK ANY AND EVERYONE FOR THE INPUT AND THE SHARING OF YOUR KNOWLEDGE. NOW TO THE PROBLEM AT HAND THIS TRUCK HAS BEEN A PAIN IN THE CUSTOMERS SIDE FOR SOME TIME NOW H...
February 18, 2005
1996 Lexus SC300 3.0L mil VIN: JT8CD32Z0T
P0402: Excessive EGR Detected. I have this Lexus here with a P0402 excessive EGR. It occurs with engine cold (when EGR is not activated) and at highway speeds. From reading posts I believe that the ECM monitors for this code under 100F and at highway speeds. Well I am unable to duplicate th...
February 03, 2005
2001 Ford Ranger XL 4.0L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1FTYR10E11
P0402: excessive egr flow. Hi techs,this Ranger has a driveability issue(bad idle and surge at cruise speeds) with codes;po172 - po175 rich both banks. Also codes;po401 - po402 egr flow insufficient and egr flow excessive. I have install a new mass air flow,egr pressure sensor,2 oxygen ...
February 07, 2005
1996 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MELM50U6T
P0402: EGR flow excessive. Hello all. I replaced the engine in this car because water pump went and customer kept driving until it died. The first code to pop up was P0155 O2 sensor b2 s1 heater circuit malfunction. I swapped left & right sensors and get same code. This makes me thi...
February 10, 2005
2001 Nissan Frontier XE 2.4L MIL Lamp on VIN: 1N6DD21S91
P0402: excessive egr flow detected. ... WEBSITE HAS BEEN A GREAT HELP TO ME PERSONALLY AND TO MY WHOLE SHOP. AND i WOULD LIKE TO THANK ANY AND EVERYONE FOR THE INPUT AND THE SHARING OF YOUR KNOWLEDGE. NOW TO THE PROBLEM AT HAND THIS TRUCK HAS BEEN A PAIN IN THE CUSTOMERS SIDE FOR SOME TIME NOW H...
February 18, 2005