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1989 Bronco II engine miss


scw6

New member
Joined
Sep 26, 2020
Messages
7
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0
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1
Vehicle Year
1989
Vehicle
Bronco II
Replaced defective eec module. Replaced plugs, wires, cap, and rotor. Engine starts easy but runs very rough. I get eec error codes 63 and 67. Any ideas on what the problem might be?
 

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