Question about 1990 Ford F250

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Ford F-250 V-8

Won't start when engine is hot.

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  • yadayada
    yadayada May 11, 2010

    is this a loss of spark?

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  • 169 Answers

Thermostat might be out of whack, its cheap, and if you are medium skill Do It yourselfer, its 30minutes.Try that before anything else, let me know if it doesn't, and go from there.

Posted on Aug 17, 2009

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Posted on Jan 02, 2017

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1 have a 96 ford f 250 it runs when it is cool but wont start when it gets hot 9.4 eng


Temperature sensor is stuck on hot. It leans the fuel mix too much to start when hot. Sometimes this is called the "cold start sequence" that the engine needs to reset into for a rich fuel mix for starting.

Jul 18, 2017 | Ford F-250 Cars & Trucks

1 Answer

I have a 96 ford f 250 9.4 it well run when cool but wont start when gets hot


In my US automotive database, I didn't see a 9.4L engine?
Usually, when the problem is ongoing, if it cranks good but won't start, have a helper crank it while you check for spark at the plugs where applicable. Check for proper fuel pressure, use a gage. See if pressure will hold for a bit with everything off. If pressure drops like a rock, you need to check it out. Don't spray gas all over the engine. Then check for fuel injector pulse. I'm talking about a gasoline engine. Are there any applicable trouble codes. If the engine is hot, use gloves.

Jul 18, 2017 | Ford Cars & Trucks

2 Answers

Engine dosen't start easy when it is hot


ford starters are problem starters when hot as the resistance in the windings is affected by heat. One answer is to get a heat shield and place it between the starter and the heat source ( ford spare part). The other solution is to buy a high performance starter ( used for high hp engines) as these are not affected the same as the standard starter.

Dec 23, 2014 | 1989 Ford F 250

1 Answer

Ford F250 2002 7.3 Diesel won't start


check engine immobiliser and crank position sensor . Run fault codes and replace faulty units.

Apr 04, 2013 | Ford Cars & Trucks

1 Answer

Volvo 2005 EC210 BLC Engine Crank but no start .display shows code 140SID and 250 9


It can be faulty fuel pump or clogged fuel filter or its issue with starter or battery or may be problem with sensors.There are few possibilities that can cause these problem,there are few help links provided related to these issue. Click the link below and refer the troubleshooting procedure to solve the problem:-----
Engine cranks but will not start? http://technoanswers.blogspot.in/2012/02/engine-cranks-but-will-not-start.html
-------- Landcruiser prado won't start http://technoanswers.blogspot.com/2012/10/landcruiser-prado-wont-start.html ------- 2007 ford expedition engine cranks but wont start http://technoanswers.blogspot.com/2012/10/2007-ford-expedition-engine-cranks-but.html

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: Engine Cranking Fast but not Firing up? http://whatisbyme.blogspot.in/2012/05/1999-lexus-gs300-engine-cranking-fast.html

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1997 Oldsmobile Cutlass Ciera: The Engine cranks but not start? http://schematicsdiagram.blogspot.in/2012/04/1997-oldsmobile-cutlass-ciera-engine.html

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Mazda MPV cranks but will not start? http://technoanswers.blogspot.com/2012/01/mazda-mpv-cranks-but-will-not-start.html
-------- MAZDA MPV WILL CRANK BUT NOT TURN OVER TO START? http://technoanswers.blogspot.com/2012/01/mazda-mpv-will-crank-but-not-turn-over.html
--------- Vehicle Cranks Fast but Won't Start http://whoisbyme.blogspot.in/2012/07/vehicle-cranks-fast-but-wont-start.html

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How to test Crankshaft Position Sensor? http://fordrepairhelp.blogspot.in/2012/03/how-to-test-ford-focus-crankshaft.html

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These details will help,keep updated for more help.

Oct 16, 2012 | Cars & Trucks

1 Answer

Difficult to start up sounds sluggish, once shut off, won't start, coil was hot (coil recently replaced). Needs new muffler.


Replace spark plugs with new ones. put new muffler in. The muffler has an affect on the way engine runs. (back pressure) is needed. At this age you may need a head gasket(s). Compression check on all cylinders. The list goes on... Good luck

Jun 10, 2011 | 1982 Ford F 250

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