#2 Plug is bad- WHY?
Thread Starter
|
New User
Joined: Mar 2004
Posts: 6
Likes: 0
From: Murrieta, Ca
#2 Plug is bad- WHY?
I have a 98 expedition with a 4.6, my # 2 Plug keeps fouling every 2-3 weeks any idea? i have 102000 mi. i have had a tune up about 10k ago. i am lost, any ideas are welcome
Elder User
Joined: Nov 2002
Posts: 736
Likes: 1
From: Texas, USA
How is it fouled? What does it look like? You should be able to tell by color and texture if it's oil fouled, fuel fouled, or temperature fouled. The first case black and oily, in the second case black of dark brown and sooty, in the last case, white or gray and powdery or flaky. What is it?
Logistics Pro
Joined: Oct 2000
Posts: 3,960
Likes: 5
From: All over Texas
Originally posted by hkiefus
^ It is rings or valve guides then. Compression tests, or if you don't want to remove the plugs yourself, have a dealer do a 'balance test'.
^ It is rings or valve guides then. Compression tests, or if you don't want to remove the plugs yourself, have a dealer do a 'balance test'.
