Trouble shooting engine hesitation
Asked by Ecouto985 Apr 03, 2016 at 07:45 PM about the 2006 Ford F-150 FX4 SuperCab Styleside LB 4WD
Question type: Maintenance & Repair
2006 F- 150 idles good , runs smooth, except it seems to hesitate while
accelerating like its loosing power.Changed fuel filter, didn't help no check
engine light.
3 Answers
inspect and clean MAF and IAC along with the throttle body. Check for fuel pressure at the rail. It will be a process of elimination. Make sure all cylinders are firing at idle. Sometimes it is difficult to notice a dead cylinder at idle.
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Most common problems are: dirty throttle body, dirty Mass Air Flow sensor, bad throttle positiining sensor, air filter, low fuel pressure or vacuum leak
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