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Hesitation

(1990 Ford F-150)
in Bradenton, FL on June 02, 2010
i have a 1990 f150 4.9ltr inline 6 and it runs fine idles fine but upon acceletation it will hesitate and after a while of hesitation the check engine light will come on what could cause that
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Popular Answer
on June 12, 2010
mass air flow sensor
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on June 12, 2010
mass air flow sensor
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on September 17, 2010
It could be a clogged fuel pump or cat, it could also be mass airflow sensor, or Throttle position sensor.
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