99 ford escort changed tpsensor and mass air flow sensor. idles but seem like not...

TammyM

New member
...enough air? I have a 99 fd escort lx 5 speed, 6 cylinder, that was bucking. changed plugs and wires, throttle position sensor and mass air flow sensor. It will idle now but when open the throttle it revs up and down like starving for air or fuel, checked pressure on fuel pump and is in normal range. bucks hard and stalls when try to drive. when pput on computer it came up as tp sensor and speed sensor.
 
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