Codes 51 and 98 please help
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New User
Joined: Apr 2004
Posts: 3
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Codes 51 and 98 please help
My 87 F 150 has a rough idle and continues to stall. Upon initial startup the truck runs for about three seconds and then the idle becomes irradic and the check engine light comes on. After the truck has been warmed up (10-15 mins.) the idle becomes more consistent although rather low around 500 rpm, sounding like a stall is possible. I was getting a code 51 and 31 in the koeo. I found a smashed ect sensor and replaced it now getting a code 51 and 98 koer code after reset any help would be greatly appreciated
Cargo Master
Joined: Sep 2004
Posts: 2,691
Likes: 6
check out this website:
http://fordfuelinjection.com/
Over on the right side there's a navigation. Go to the 2-digit codes list.
http://fordfuelinjection.com/
Over on the right side there's a navigation. Go to the 2-digit codes list.
