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P1406 Diagnostic Trouble Code Discussion for August 2004

EGR Valve Pintle Position Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1406
Help Request Posted
1996 Honda Passport LX 3.2L Poor Idle Quality, MIL Lamp on, high idle VIN: 4SGCK58V0T
P1406: EGR Valve Pintle Position Sensor Circuit Malfunction. I suspect voltage back feeding in ecm through the ground side, but really hate to condemn an ecm. I almost never work on the passports since I am primarily a Toyota shop and thir ecms don't fail. I am sure I am overlooking something obvious here. Also Alldata ...
August 06, 2004
1996 Honda Passport LX 3.2L Poor Idle Quality, MIL Lamp on, high idle VIN: 4SGCK58V0T
P1406: EGR Valve Pintle Position Sensor Circuit Malfunction. I suspect voltage back feeding in ecm through the ground side, but really hate to condemn an ecm. I almost never work on the passports since I am primarily a Toyota shop and thir ecms don't fail. I am sure I am overlooking something obvious here. Also Alldata ...
August 09, 2004
1994 Oldsmobile 88 Royale 3.8L MIL Lamp on VIN: 1G3HN52L8R
P1406: egr pintle position sensor ckt. ... being drove aprox 1000 miles. With the same codes in memory P0401 and P1406. I have cleaned the EGR ports and replaced the EGR valve twiced the second time was with a AC delco part and still getting the same code. I have test...
August 25, 2004
1995 Ford Windstar 3.8L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2FMDA51485
P1406: dpfe downstream hose off. Hi super techs, this vehicle we think needs a computer, but before we do, I'd like to rattle the cage. We find no ground signal to injector #6. Pin 99 out of computer not grounding. Customer states at times it drops other cylinders. Cleared codes and these, pl...
August 31, 2004
1996 Honda Passport LX 3.2L Poor Idle Quality, MIL Lamp on, high idle VIN: 4SGCK58V0T
P1406: EGR Valve Pintle Position Sensor Circuit Malfunction. I suspect voltage back feeding in ecm through the ground side, but really hate to condemn an ecm. I almost never work on the passports since I am primarily a Toyota shop and thir ecms don't fail. I am sure I am overlooking something obvious here. Also Alldata ...
August 06, 2004
1996 Honda Passport LX 3.2L Poor Idle Quality, MIL Lamp on, high idle VIN: 4SGCK58V0T
P1406: EGR Valve Pintle Position Sensor Circuit Malfunction. I suspect voltage back feeding in ecm through the ground side, but really hate to condemn an ecm. I almost never work on the passports since I am primarily a Toyota shop and thir ecms don't fail. I am sure I am overlooking something obvious here. Also Alldata ...
August 09, 2004
1994 Oldsmobile 88 Royale 3.8L MIL Lamp on VIN: 1G3HN52L8R
P1406: egr pintle position sensor ckt. ... being drove aprox 1000 miles. With the same codes in memory P0401 and P1406. I have cleaned the EGR ports and replaced the EGR valve twiced the second time was with a AC delco part and still getting the same code. I have test...
August 25, 2004
1995 Ford Windstar 3.8L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2FMDA51485
P1406: dpfe downstream hose off. Hi super techs, this vehicle we think needs a computer, but before we do, I'd like to rattle the cage. We find no ground signal to injector #6. Pin 99 out of computer not grounding. Customer states at times it drops other cylinders. Cleared codes and these, pl...
August 31, 2004