× 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
1999 Ford Explorer XL 4.0L Misfire, MIL Lamp on
Posted to Ford Driveability on 2/7/2007 19 Replies

Hello folks I have question. This exploder came to me today with a misfire on the #3 cylinder. I checked it out and found the ceramac around the elctrode of the spark plug was cracked in two places. I replaced the plug and engine runs good. MAF volts good, Fue...

19 Replies Received (View Replies)

  Related Documents & Media  1999 Ford Explorer XL

 
Message Closed w/FIX

car Vehicle Data

1999 Ford Explorer XL

VIN 1FMZU34X0X
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpfi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0303Cylinder 3 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Ford Explorer XL

VIN 1FMZU34X0X
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpfi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0303Cylinder 3 Misfire Detected