Question about Ford F-150

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1985 F150 stalls while driving. After a couple hours I can eventually start it back up.

I have changed out the fuel pump, fuel filter,and relay.

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  • Expert
  • 305 Answers

Ok did you change the coolant temp/sensor for the computer and it may be a emission problem

Posted on Jul 07, 2014

6 Suggested Answers

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Posted on Jan 02, 2017

keemo68
  • 1263 Answers

SOURCE: 1985 Volvo 240 no fuel no spark

well first the fuel pump relay is bad, that is easily replaced. next you have no spark. the first thing you do is take the cap off the distributerand crank the engine. if it spins that tell syou thyat at least the tang or gear on the shaft of the distributor is ok and not broken. next thing is remove the #1 plug and use a 1/4 drive extension 6" long and turn the crank by hand until the #1 cylinder is top dead center(put the extension in the hole of head where the plug was and you should feel the top of the piston also make sure you can feel the top of the piston with half the extension this way you don't drop it in the cylinder with the piston at TDC(top dead center) the rotor of the distributor should be pointed at the #1 firing position. IF it does not that means your timing is off and you need to retime it by taking off timing cover and either replacing the belt/chain or gears. now if you do not have a distributor and you have a coil pack there could be only 2 things that won't give spark. either a bad coil or your altenater is bad(the battery is responsible for starting not running the vehicle like alot of people assume. the altenator energizes the coil which inturngives spark. hope this helps you please rate this thanks

Posted on Sep 07, 2008

yotaguy
  • 232 Answers

SOURCE: Location of the fuel pump relay switch 1985 Ford F150

Its under the hood drivers side on the upper firewall.

Posted on Apr 13, 2009

MantoothAZ
  • 8 Answers

SOURCE: 2005 ford ranger fuel pump relay gets hot and engine dies

Like Laurie Mack said. It is the inertia switch below the glove box. Here is some funny information. DON'T change the fuel pump first. Interesting fact: I bought the new inertia switch from Ford and the install instructions that came with it said to install the switch in the protected area to the right where the fuses are. It is like Ford knows it was a dumb place to put the inertia switch, but they won't let you know until after you buy a new one. I have read at least 20 other people on here that had the same problem I just had.

Posted on Apr 14, 2009

  • 1 Answer

SOURCE: stalls or just wont start

i've had a bunch of hondas and usually when they dont start and then start after a while it is the main relay. as far as i know they dont make them aftermarket, you need to get them from the dealer. they cost about $85 last time i bought one. it is located on the interior, drivers side, to the left of the pedals. i think it has 7 pins and is mounted by one 10mm bolt. it seems they act up mostly on hot days. good luck!

Posted on May 30, 2009

  • 12 Answers

SOURCE: truck idels fine but put into gear stalls

you need to adjust the engion timing

Posted on Jun 19, 2009

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1985 Nissan 300ZX I want to disable the fuel pump to relieve the pressure before replacing the fuel filter. Is it a relay or a fuse?


No need to remove any relay. Proceed as follows:
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Maybe it's not running lean. Maybe it's misfiring. Since you put in new fuel parts and that didn't help, maybe there is an ignition component that fails when it gets hot. A bad coil can do this, also the igniter-rarely, admittedly, but you could have it tested. When it stalls and won't start, if you check for spark and find none, it would confirm an ignition problem.
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