P1409 Diagnostic Trouble Code Discussion for September 2008
EGR Valve (Stepper Motor) Circuit Malfunction
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| Help Request | Posted | |
| 2000 Ford Explorer XLT 4.0L Surge, MIL Lamp on VIN: 1FMZU73E5Y P1409: electronic vacuum control. vehicle runs rough in reverse only.has p1409 code the egr valve opens while opening the throttle in reverse only.so when you let off it will stumble and misfire.i used a noid lite on vacuum solenoid it lights when you crack throttlle in reverse which then open... |
September 11, 2008 |
