Question about 1986 Ford F150 SuperCab

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Truck shuts down when hot

86 f150 with integra switch the truck can run fine then just shut off plenty of spark and fuel comes out the bleeder valve

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Ignition control inside distributor as it send signal for injectors to open

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I have a 91 ford f150, cannot find the inertia switch, looked the 2 places another website said, but it is not there. Please help, my truck runs then shuts itself off and fuel pump is working.

Please help, my truck runs then shuts itself off and fuel pump is working. Well then ,it's not the fuel inertia switch . Your guessing because you have no clue . Probably ignition problem . When it shuts off does it start right back up ? Or do you have to wait a bit ? If you hear the fuel pump running the inertia switch is fine ,this switch shuts B+ voltage off to the fuel pump . So if you hear the pump running it's not the inertis switch . There is also an ignition system , check for spark , pull a plug wire off an hold near ground . Probably the ignition module .

Sep 13, 2017 | Ford Cars & Trucks

1 Answer

98 lincoln town car starts/runs cold,fine for 10-15 miles but once hot , it stumbles & shuts off, It wont respond to anything until is cool again then it starts right up. No codes, PATS is ok,

Something electrical is breaking , shorting when hot ! Crankshaft position sensor , or some other sensor ! Next time it shuts off pull a coil off an see if it has spark ! If there is spark check fuel pressure ! If it has spark an fuel check for a computer pluse , 5 volt reference voltage circuit ! Do you know what that is ? Making Sense out of Sensors

Feb 25, 2017 | Lincoln Cars & Trucks

1 Answer

Running great but shut down mid ride. Acted Like the kill switch was hit. Checked the switch it was fine. Started right back up. Ran for another minute then shut down again. Plugs have spark, fuel...

My guess is that this is not a car or truck, but rather a 4 wheeler. It may have a low oil shutoff, or bad coil that fails as it gets hot, but hen cools a bit and seems fine. Check for spark immediately as it fails.

Feb 10, 2015 | Cars & Trucks

2 Answers

1987 Ford f150 shuts off and wont start until engine is cooled off

To clarify, you said it runs for 20 min then quits, and it won't start again until it cools off. Have you checked for spark at the plugs and fuel pressure right after it quits running ?
These models have an ignition module attached to the side of the distributor that has a history of failing when hot. The coil and the pickup inside the distributor can fail too. Could also be a relay.

Oct 12, 2012 | 1987 Ford F 150

1 Answer

My buick runs but after about 20 minutes it shuts off and wont start it not to hot and has plenty of spark and gas

Check the EGR valve the next time is shuts off within 20 minutes. The valve should be opened. If not replace that valve

Jul 17, 2010 | 1988 Buick Century

1 Answer

'86 F150 fuel pump shut off switch won't reset

check the wiring connector at the bottom of the cutoff switch is it burnt? use a 12 volt test light (avil at any parts store for around $6) to see if it lights up in and out of switch while cranking.

Jul 01, 2009 | 1986 Ford F150 SuperCab

1 Answer

92 integra with no spark HELP!!!!!

bad connection with fuel shut off switch. when there is no fuel the comp shuts off spark also. make sure you have fuel then move on to spark.

Apr 03, 2009 | 1992 Acura Integra Hatchback

1 Answer

1992 ford f150 Truck shut down at 60mph and now fuel pumps wont

Where does the fuel come from that leaks out when running? If you have dual fuel tanks and one tank is overflowing you will need to check the fuel tank switch in the dash. Ford had a problem with these that caused the fuel pump from one tank to pump fuel to the other tank and cause it to overflow. If this is the case the tank switch is probably defective.
They can get very hot and melt the wires into the back of the switch. Check the switch first.

Feb 17, 2009 | 1990 Ford F150

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