see below

2002 FORD F-150
200,000 MILES
Avatar
JOHNNY2012
  • MEMBER
  • 1 POST
2002 f150 4.2 steady miss fire have replaced plugs,wires,coil,and maf sensor.What next? autozone tested and said maf sensor.
Jul 21, 2012 at 9:32 PM
Advertisement
Avatar
HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check fuel pressure first and check for any hoses/seasls on engine with a hole in it cause it will give the same reading.
Jul 21, 2012 at 11:25 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.