1999 Honda Civic misfiring

Asked by greeneye Jun 27, 2019 at 12:44 PM about the 1999 Honda Civic LX

Question type: Maintenance & Repair

My Honda Civic is misfiring at heavy load at 65 to
75 mph codes given are p1399. My mechanic has
changed the plugs, wires, and valve clearance. I
am still getting a misfire. Any ideas or suggestions.
Car does burn oil has 338 K original miles.
Anything else I should be checking.

1 Answer

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