Is this normal?...@ 65
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Junior User
Joined: Jun 2007
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From: Oklahoma
Is this normal?...@ 65
When I drive the 1994 4 spd longbed F-150 I'll be getting in about a week, it never wants to go 65 mph uphill unless I romp on it...I don't remember that problem with my grandfathers last inline F-150, although his was a manual. I wondered if inlines just don't have the HP to go that fast? unloaded I might add...
sorry if this has been posted before I'm new...it doesn't leak or burn any oil
sorry if this has been posted before I'm new...it doesn't leak or burn any oil
Last edited by JL63; Jun 16, 2007 at 12:34 PM.
Cargo Master
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From: Seneca, SC
Check normal things like the air cleaner, plugs, and oil. Mine is a three speed and will accelerate uphill until I get scared.
Also, if you romp on it good and start smelling rotten eggs, your catalytic converter (or maybe converters?) are getting plugged, which will dramatically hinder performance.
Overall I'm not enamored with automatics for their lack of responsiveness, so this could be it as well. If you have a towing button on it, try hitting that when you are going uphill, it will disengage the lockup torque converter and give you a few HP.
Also, if you romp on it good and start smelling rotten eggs, your catalytic converter (or maybe converters?) are getting plugged, which will dramatically hinder performance.
Overall I'm not enamored with automatics for their lack of responsiveness, so this could be it as well. If you have a towing button on it, try hitting that when you are going uphill, it will disengage the lockup torque converter and give you a few HP.
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From: Oklahoma
I've never smelt anything...but I'll probably get a k&n filter charger, oil is new,...could a bad oxygen sensor be the problem too?...I'll ask about the spark plugs, but I expect they were changed at around 100,000, and the truck has only 130000...
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Put your foot, with a shoe on it, or a block of wood tight against the exhaust pipe and see if the exhaust is trying to push against you while someone else rev's up the motor. If the pressure is so light that the object will not move, I would check for an exhaust leak first, then look at the cat and see if it is plugged.
While you are plugging it off, see what the exhaust smells like. If it is "rotten eggs", it's the cat.
If it smells sorta sweet/sour, it's probably running to rich.
If it smells "acidy/trashy", it's probably running lean. {don't know how else to describe the smell}
Also look at the inside of the pipe. Is there water drops coming out? Is the pipe black with soot? Or maybe grayish?
That is what will help some in figuring out what is up.
While you are plugging it off, see what the exhaust smells like. If it is "rotten eggs", it's the cat.
If it smells sorta sweet/sour, it's probably running to rich.
If it smells "acidy/trashy", it's probably running lean. {don't know how else to describe the smell}
Also look at the inside of the pipe. Is there water drops coming out? Is the pipe black with soot? Or maybe grayish?
That is what will help some in figuring out what is up.
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Junior User
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From: Oklahoma
Ok thanks I'll try it...when I get it I'll probably take it in to be looked over anyway, but my dad said his inline six never had a prob like this, so I'm sure it's something plugged, the exhaust looks like it may have been bent, so it may just be kinked in some place...It'll probably be a week or two before I get the truck; just trying to be prepared for when it happens.
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From: torrance
[QUOTE=ridgerider3]Also look at the inside of the pipe. Is there water drops coming out? Is the pipe black with soot? [QUOTE]
But wait 'til it's warmed up before checkng for water drops or grayish smoke as the condensation has to burn off first.
Chuck
But wait 'til it's warmed up before checkng for water drops or grayish smoke as the condensation has to burn off first.
Chuck
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From: wi
to test for a bad cat id drill a 1/4 inch hole just infront of the cat and thead a small spriket in there so you can test with a small psi gauge if theres more than 5 psi while some one wings the throttle cats pluged. after test remove gauge and spriket weld the hole closed
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From: Oklahoma
I got a good look at the truck and just as I expected the tailpipe has been bent right where it rounds the last turn to exit the truck's right side...it's like somebody backed into something with the pipe...its only about an inch open there now. I'll probably be getting a Gibson single exit exhaust so that should solve the problem.
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From: the beaches of florida
Originally Posted by JL63
I got a good look at the truck and just as I expected the tailpipe has been bent right where it rounds the last turn to exit the truck's right side...it's like somebody backed into something with the pipe...its only about an inch open there now. I'll probably be getting a Gibson single exit exhaust so that should solve the problem.