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94 4.0 code 341


Robert_1967

Well-Known Member
V8 Engine Swap
Joined
Nov 7, 2009
Messages
1,802
City
White Pine, TN
Vehicle Year
1988/1989
Transmission
Automatic
O'Riellys just ran the codes for me on this 94 Explorer, it cam up with a 341, and then 111.

the 341 according to Chilton is a octain reading switch open, or something like that, how do I fix that ?? new knock sensor ??? also where is the knock sensor ??




111 is pass, so I'm not worried about it .





Robert
 
According to the codes in the tech library on this site. 341 is an information code only, to inform you that an octane jumper is installed. i.e. nothing to fix. The tech library is a wonderful thing.
 
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Last edited:
Well something is wrong, the check engine light keeps coming on, the engine when floored acts like it's flooding, and it has a bad gas knock, I even tried running a tank of the 94 octane through it and it still isn't right.





Robert
 

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