Ford/ Mazda 4x4 Auto has developed a skip/ buck at low RPMs while in high gear. on 1999 Ford Ranger

Have replace plugs wire twice, EGR Valve, intake gasget twice, and fuel sensor.

by in Northampton, MA on January 12, 2013
1 answer 1 comment
ANSWER by on January 12, 2013
is the check engine light on?
COMMENT by on January 25, 2013
No not at this time... Just had a vacume leak test with smoke and checked plugs, wires again still skips when warmed up but not when cold. It is like a miss or buck in high gear 1500-2000 RPM.

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