P1404 Diagnostic Trouble Code Discussion for February 2004
EGR Position Sensor Rationality Closed
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| Help Request | Posted | |
| 2001 Chevrolet Venture LS 3.4L MIL Lamp on VIN: 1GNDX03E41 P1404: EGR Valve Closed Position Performance. Hello again This time the problem is a Venture with a 3.4 The EGR valve has been replaced with a dealer part. The EGR port at the bottom of the throttle body has been cleaned out.code still sets. If I understand correctly the PCM determines EGR performance us... |
February 16, 2004 | |
| 2001 Pontiac Grand Prix GT 3.8L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1G2WP52K61 P1404: EGR Valve Closed Position Performance. ... long -- So it is drive in drive out service FUN !!! He had a SES light on we scanned it found code P1404 no other codes. He stated that it must have came on w/driving at 70 mph w/ cruise on. Checked freeze frame and his story checked out we tested EGR w/sc... |
February 26, 2004 |
