Question about 1999 Ford F250 Regular Cab

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Engine will not that accelator pedal

I start the engine and sometimes it will not go, it only goes very slow, even when the pedal is put to the floor.

Also when I restate it, it will work fine.

I get on the highway and floor it, it will go very good, than all of a sudden , it is like a governer it will slow up. even when the tach will show the motor is excelerating

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  • Hans 3 Jun 16, 2008

    F250 super duty extended cab 4x4

  • Hans 3 Sep 20, 2008

    I went to the ford dealer and they check the code and it said that the tubo was not getting up to speed.



    The machanic did a further check and my cross over pipes were leaking and they were replace and a new air filter. which solved my problem

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I had the same problem. What it is, is low fuel presure at the fuel rail caused by either a bad/clogged fuel pump or a clogged fuel filter. You are supposed to have 33-37 psi at the rail and mine dropped as low as 16 psi. Mine was caused by a secondary fuel tank that was metal. the tank rusted inside and that rust ended up into my main tank. On long trips that rust would build up at the pump causing it to starve the engine of fuel. Ford quoted about 900 bucks to change out the pump.
I suggest buying a pump at somewhere like Napa and installing it yourself, making sure the tank is clear of debis. You can do this for under 200 bucks.

Posted on Jul 04, 2008

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