× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1998 Ford F-150 XL 4.2L MIL Lamp on
Posted to Ford Driveability on 1/8/2008 7 Replies

This truck keeps setting a code for insufficient EGR flow. I've done all the basic checks and everything checks out ok. EGR valve almost kills the engine if opened manuelly. I suspected stopped up EGR ports even though there is no evidence to support that. Rem...

7 Replies Received (View Replies)

  Related Documents & Media  1998 Ford F-150 XL

 
Message Closed w/FIX

car Vehicle Data

1998 Ford F-150 XL

VIN 1FTZF1723W
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected
P1408MAP Sensor Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1998 Ford F-150 XL

VIN 1FTZF1723W
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected
P1408MAP Sensor Circuit Malfunction