Check Engine light p0174 p0171
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04-29-2016, 11:05 PM
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Check Engine light p0174 p0171
Hey guys! My truck starts rough, and by rough I mean it sounds like a 4 cyl and stumbles and hicups. It only does it for a few seconds and then it runs perfect. I do currently get low MPG's and not as much power as I think I should have. My check engine light has come on and it is throw the codes: p0171, p0174 both as a fault code and not a pending code. I have currently just changed the o2 sensor behind the cat, cleaned maf sensor, and changed the fuel filter. I really need your guys help! It's a 1996 F150 4.9l 5 speed 4x4.
#2
04-30-2016, 09:00 AM
Hey guys! My truck starts rough, and by rough I mean it sounds like a 4 cyl and stumbles and hicups. It only does it for a few seconds and then it runs perfect. I do currently get low MPG's and not as much power as I think I should have. My check engine light has come on and it is throw the codes: p0171, p0174 both as a fault code and not a pending code. I have currently just changed the o2 sensor behind the cat, cleaned maf sensor, and changed the fuel filter. I really need your guys help! It's a 1996 F150 4.9l 5 speed 4x4.
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