95 ranger 4.0l-v6 - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 1 (permalink) Old 01-27-06, 01:38 PM
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95 ranger 4.0l-v6

I'm getting a code 181 and 189 ,on the koeo diagnostic test....I have an hesitation when I accellerate, and I have a bad spark nock,or ping when I accellerate--after the engine reaches opperating temp...I have replaced the o2 sensors about 2 years ago, along with new plugs and wires, I have 100.000mls, on the truck....any suggestions?

 
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