1998 Ford F-150 Lariat 4.6L MIL Lamp on
Ran KOER test with vacuum gauge tee in, egr works, 6in of vacuum to the egr valve, engine runs rough during test, doesn't stall. Sets cdoe p1408 witch is KOER test failed for egr flow test failed, same as p0401. Went thru the pinpoint testing for this code and...
FIX posted 10/20/2017
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 8 Replies Received (View Replies)8 Replies Received (Hide Replies)Related Documents & MediaRelated Documents & Media |
Message Closed w/FIX
Vehicle Data1998 Ford F-150 Lariat
Trouble Codes
|
Message Closed w/FIX
Vehicle Data
1998 Ford F-150 Lariat
VIN | 1FTZX1761W |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0401 | EGR System Insufficient Flow Detected |