Question about 1997 Ford F250 SuperCab

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1997 ford f250 7.3 liter power stroke dielse dieing!

My truck is dieing on me at low idle and miss out at high speed like it is looseing fuel or something what could this be?

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  • allenj577 Sep 12, 2008

    My truck is dieing on me at low idle and miss out at high speed like it is looseing fuel or something what could this be? I have 225,000 miles

  • allenj577 Sep 16, 2008

    at low speeds tac goes dead and shuts off, at high speeds tac goes dead for about a 1/4 second the engine acts like miss then the engine comes back and tac resumes to rpm. fuel pump is at 45psi

  • dturbo430 Sep 21, 2008

    My 97 is white smoking, and acts like it is running on 5 cylinders. It has lost major H.P. Also it has lost about 7 MPG. What could this be?

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Check fuel pressure at regulator, should be 40-50psi, could be mechanical fuel pump. go to ford and/or international truck service dealer, they have fuel pressure tester.
my 97 F250 acted same way, would white smoke on highway, was mechanical fuel pump not providing enough fuel to injectors.


Posted on Jul 08, 2008

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Tighten all fuel connections from filter to injector pump to injectors because if air is allowed in (between pressure pulses) then power loss will occur.

Posted on May 21, 2008

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Check the linkage for loose connection.

Check carpet or anything that can keep idle incorrectly.

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When engine is cold,use 1/2 can of carburetor to clean out the interior.
====
Check your service record for the last catalytic converter replacement

If you has your last smog check report handy then look for the Nox reading. If it's on the high side then your catalytic may need replacement.
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====



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