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1200 to 1400 misfire any gear

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terryschu:
 Can feel misfire/surge feeling in 3rd 4th 5th gear at 1200 to 1400 rpm. No other problems with acceration. Runs great otherwise . Tried removing chip but same thing. Any clues. only 35,000 miles.

Redneck4.6:
plugs or map maybe check gaps

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