1997 Ford F-150

Tiny
JAKE0272
  • MEMBER
  • 1997 FORD F-150
  • 6 CYL
  • 2WD
  • MANUAL
  • 183,000 MILES
Hi I've had this truck for a good while now and lately(over the course of about 6 months) every time I turn my AC on my engine seems to lose power. I can't accelerate very much and it just seems like there is some sort of build up or something. The truck will also die sometimes when I turn the AC on. But the check engine light never comes on. What could be causing this?
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Thursday, April 10th, 2008 AT 7:54 PM

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Tiny
BMRFIXIT
  • EXPERT
Do you have any of below symptoms :
spark knock/detonation
buck /jerk
hesitation/surge on Acceleration
if so you should check the mass air flow sensor
also you need to check the PCM memory for codes
I know you said u don't have check engine light on
but check if you have codes in the memory

you may also wants to check AC lines pressure
check /and clean idle air valve

(((MASS AIR FLOW SENSOR)))
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Thursday, April 10th, 2008 AT 8:54 PM

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