P1491 Diagnostic Trouble Code Discussion for September 2005
EVAP Vacuum Cut Valve/Bypass Circuit Malfunction
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| Help Request | Posted | |
| 2001 Honda Accord LX 3.0L Excessive Emissions, MIL Lamp on VIN: 1HGCG16461 P1491: EGR Valve Lift Sensor Insufficient Flow Detected. ... and cleaned all the passages in the intake but did not do the update as per service bulletin--don't ask why cause I don't know ?? All was well for a couple of weeks but now has come back with just the p1491 code and it sets immediately. when we manually en... |
September 06, 2005 |
