
1997 Ford F-150 Lariat 4.6L MIL Lamp on
We are having trouble pinpointing the fault for this code,the truck already had the EGR valve,solenoid, & DPFE sensor replaced w/ factory [...] code always resets when the monitors are ready.I did tests onthe system & wiring but found no problems unless I miss...
FIX posted 10/16/2005
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Message Closed w/FIX
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VIN | 1FTDX1767V |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0401 | EGR System Insufficient Flow Detected |
Message Closed w/FIX
Vehicle Data
1997 Ford F-150 Lariat
VIN | 1FTDX1767V |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0401 | EGR System Insufficient Flow Detected |