F 150 Accleration & Related
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F 150 Accleration & Related - 7/14/2005 4:51:34 PM
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darn that truck!
Posts: 1
Score: 0
Joined: 7/14/2005
Status: offline
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Hi everybody.
I have a 1995 F 150 extended cab, 5 liter, 8 cylindar, 2 wheel drive with air. The problem I'm having is VERY intermittant and began May 14, 2005. Initally the truck did not want to accelerate up hill, but it would accelerate in reverse just fine. It also acted up primairly at night. Over the next few weeks the problem was still intermittant but persistant. The check engine light came on, code: non specific lean. The truck will drive fine then for no apparant reason it looses "power", but idles fine. I have to shift into neutral, pull of the road, turn it off, sit a few minutes, turn it back on and continue on my way. If I push down on the accelerator when this happens the truck continues to loose power, but does not stall or die, it has a steady loss of power and will start "popping". After shutting the truck off what ever is going on resets itself, the truck runs fine until next time. I have set the trip meter between events, there is no set pattern, just random and persistant. The Ignition Control Module and Mass Air Flow Sensors have been replaced. Since replacing the latter, I have been able to temporairly "Power Out" of the situation causing the truck to go into passing gear. However this is not always the case. In addition when this occurs now, the check engine light does not come on. The transmission was totally rebulit after blowing apart all over the highway last August. This truck is very special to me as it was my Dad's. He gave it to me just two weeks before he died. I would like to keep it as long as possible, as this is all I have that was his. The truck had given me no problems until recently. It has approximately 133,000 miles on it.
Any help would be greatly appreciated.
Deb
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RE: F 150 Accleration & Related - 7/16/2005 3:30:49 PM
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Ramrod48
Posts: 608
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Joined: 7/11/2005
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Sounds like a fuel system problem , I would suggest you get a pressure gauge on it an see what your reading ,, I had one F150 that I ran around in for 2 days with a pressure gauge attached to the fuel rail an every time it did it the rail pressure would start dropping, finally replace high pressue pump an it took care of it,,, Also does the truck have Dual tanks ???? I've had the switiching valve go bad on them ,, kinda acted the same way ,, start lossing poweryopu could mat the pedal to the floor an it would go to popping thru the intake,, hope this helps
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RE: F 150 Accleration & Related - 7/31/2005 10:14:49 PM
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Octane
Posts: 25
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Joined: 7/31/2005
From: Edgerton, WI
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Fuel filter might be partially plugged too. With the extra load of running the lights at night, it might make it more noticable.
Octane
_____________________________
I figured I'd listen to your theories, mock them, then embrace my own. You know, the usual...
'99 Ford F-150 XLT
173,000 miles
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RE: F 150 Accleration & Related - 8/1/2005 4:51:25 PM
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Ramrod48
Posts: 608
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Joined: 7/11/2005
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NAWWWWWWWW, running the lites shouldnt put that much of a load on the ole girl , unless u got enough lites to lite up a baseball field at nite. So I think you scratch the lit idea !!!!! Sorry
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RE: F 150 Accleration & Related - 11/3/2005 12:01:51 AM
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ServiceAdvisor
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Joined: 11/2/2005
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I'm having almost the identical problem on a 94 F150 4x4 super cab with dual tanks. There is no rhyme or reason, so the night factor "darn that truck!" mentions is not a factor for me. I've only had the truck 5 months, and because of the problem have only put about 500 miles on it. In fact, I think that's why the last owner sold it. He replaced the Mass Air Flow Sensor, and my dealer has replaced it twice now since I owned it. But this still has not corrected the problem. Three new sensors in 6 months, I think it's time to move onto something else. Unlike the poster's truck, mine only has 59,000 miles, and has had meticulous dealer only maintenance. In fact, it's sitting at the dealer now.
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Go Scarlet Knights
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Printable Version
Do as ramrod suggested check pressure and T/S from there.
