Question about 2007 Ford F-450 Lariat

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O7 f450 6.0 starts runs for about 5 or 10 minutes shuts down and.won't run untill it cools off.what's up with that

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  • yadayada
    yadayada Feb 09, 2012

    What engine do you have? Any fault codes in the powertrain control modules memory?

  • thetwistedwr
    thetwistedwr Feb 10, 2012

    6.0 no codes

  • thetwistedwr
    thetwistedwr Feb 10, 2012

    6.0 no codes



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  • Ford Master
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For car starting and running issues troubleshooting.Click the link below :----


This will help.


Posted on Feb 09, 2012


5 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: 2000 Ford F450 7.3 Diesel Engine

Your throttle is "fly-by-wire" which means that it is completely controlled by the computer. There are several switch and sensor inputs and an output circuit to the throttle actuator motor.

Both your gauges and you Idle Validation Switch are protected by fuse #19 (10 Amp) in the Central Junction Box, which is located at the lower left-hand side of the instrument panel. There are a lot of things also protected by this fuse including the Generic Electronic Module (GEM). There will be a lot of things malfunctioning if this fuse is blown. This fuse gets its power from the ignition switch.

I would start by checking this fuse to (A) see if it is blown and (B) Make sure that this fuse is receiving power from the ignition switch. If it is blown, it will do no good to replace it until you can locate and repair the reason that it blew. If it has no power, you may have a bad ignition switch and/or a burned connector at the ignition switch.

Please also review these articles: Where's The Fuse? What Else Could Be Wrong?

If this does not turn up any problems (i.e. the fuse is OK and is getting power from the ignition switch) I would scan both the GEM and the Powertrain Control Module (PCM) for fault codes before even trying to perform any further diagnosis or attempt any repairs. There will most likely be fault codes present and/or the GEM may refuse to communicate with the scanner, either of which will help to determine the game plan for getting this problem resolved. Since the engine starts and runs, The PCM is not likely to have non-communications problems, but it can also report engine management system faults or communications problems with other modules. If the GEM is working, it may tell you if there is something wrong with the PCM. So, it is imperative to scan both for a complete diagnosis.

Posted on Jul 25, 2011

  • 10 Answers

SOURCE: 87 Ford Taurus 3L engine shut down when warm - will not restart

after it has shut down check for gas at the fuel rail with the key on their should be gas squirting out constantly it sounds like the fuel pump is going out

Posted on Jul 28, 2009

  • 4982 Answers

SOURCE: 2006 ford f350 6.0 ltr when hot won,t fire up

probly hav a circuit, module etc thats gettin hot-from age or wear--do a diagnostic on vehicle--

Posted on Mar 21, 2011

  • 17970 Answers

SOURCE: My 2000 f450 sd won't

Check Neutral Safety Switch, generally located on top gearbox.

Posted on Sep 01, 2011

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The only way to know for sure is to hook a gauge to the rail and check the fuel pressure when it won't start.
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There should be a EEC relay that powers the dist module and ECM.
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I don't suppose you have dual tanks and the switching valve is the problem ?

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One possibility is a blocked fuel line or filter. It basically runs out of fuel and you have to wait for it to come through slowly. The other possibility is the ignition system is losing spark as something heats up. You have to wait until it's cooled down before it runs again.

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Car runs great until it get about 180 degrees andthen shuts off let it cool off a lil bit its starts back up until it shuts off again why

I am thinking that perhaps the temperature sensor is reading wrong and therefore sending a message to the computer that the car is running too hot. This can happen, my VW presently reads 20 hotter on the guage than a heat gun records at the temp sensor location on the head. If you have access to a heat gun it might be a good idea to check out the actual temperature, but it probably won't hurt to change the sensor.

The other problem that occurs to me is the oil sending sensor. While a temperature sensor won't shut an engine down, the oil sender can. If it is reading a large drop in oil pressure it will shut the engine off. Since oil gets thinner as it gets hot, perhaps a defective sending unit is reading it as too low. Once the oil cools off, it would restart until the temperature gets too high again. I would think that upgrading to a heavier oil might cure the problem. I don't know what you are currently usung but certainly you could go to 10W30 or 10W40 without too much trouble, at least for a test. Hope this helps.

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this sounds like a computer issue or rotor issue- it could be the pick up in distributer electronic pick up in distributer- gets hot then signal won,t travel- cools down then o.k

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