Ford Transmission :: 1995 F150 Does Not Want To Accelerate Under WOT
Mar 31, 2014
So, I have a 4.9l 1995 F150 equipped with the E4OD trans. Lately, noticed over the last two or three days, the vehicle does not want to accelerate under WOT. I can hear the RPMs of the engine increasing, but the vehicle speed will remain the same; it will do this in any gear.
I checked my fluid color and level in the trans, and all was in fine. There was no discoloration or odor, nor was the fluid low at all. I'm wondering if this is a torque convertor issue, or a problem with the clutches slipping.
Mind you, my truck just hit 70k, so this isn't a high mileage vehicle. Under light load, or throttle, the vehicle will shift fine through all gears. However, if I try to accelerate heavily, or go WOT, I get nowhere. It feels like slipping.
Someone recommended that I pull codes; they are as follows:
KOEO 33--EGR did not open
Continuous 28--VAT sensor out of range
Engine Running 63--TPS too low
26--MAF or VAF out of range
32--EVP/EGR not responding during test
My plans are to check for codes again, fluid and filter change, and then see what is going on. Would an 8 hour road-trip at close to 80mph have caused this, because after getting back I noticed this problem.
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