P1491 Diagnostic Trouble Code Discussion for March 2004
EVAP Vacuum Cut Valve/Bypass Circuit Malfunction
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| Help Request | Posted | |
| 2000 Honda Accord EX 3.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 1HGCG1652Y P1491: EGR Valve Lift Sensor Insufficient Flow Detected. ... is in our shop with a check engine light on and code P1491 egr insuffcient lift. We checked for proper voltages and grounds and suspect the valve is bad. Customer also complains of a rough idle at times with an occasional stall. Are the egr valves common o... |
March 03, 2004 |
