Question about 1990 Ford F350

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I have a 85 f250 and have replaced the fuel pump and still have nothing past idle help please, the truck started to loose power slowly and then wouldnt go over 10,mph

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WHAT SIZE ENGINE ? GAS, DIESEL?

Posted on Aug 15, 2010

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I there a reset button for fuel pump on 1990 F250 pickup


You know, sometimes a pump goes bad and needs to be replaced. Have your mechanics test it

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I have a 1995 ford f250 5.8 gas first thing in the morning I have to shoot ether to get it to start after that starts right up idles a little ruff under heavy acceleration it sputters backfires and wants...


Sounds like your fuel pump starting to die. It is not getting enough gas under heavy acceleration which is 100% fuel pump slowly dying. At start up it might not be building up enough fuel pressure to feed the system but the shot of ether and engine cranking helps pressure the system just enough for the fuel pump to trickle the gas and run the engine at low rpms.

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not to sure on model but could be injectors or the inbjector pump not fuel pump as this only send fuel to engine injector pump send fuel to injectors hope this helps

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Occaisionally when driving my f250 84 diesel 6.9 it will just stall. I can start back up then drive. PLEASE HELP


SOUND LIKE IDLE SPEED TOO LOW HAVE IDLE SPEED CHECKED. REPLACE FUEL FILTER IF IT HAS BEEN A LONG WHILE A FAULTY TRANSFER PUMP OR FUEL INJECTION PUMP WILL CAUSE STALLING PROBLEMS

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85 Yota pick-up, Ultra High and Low Idle, now no start


mcdevito75 here, Could be a dirty fuel fliter, remove fuel inlet toarb, crank engine but don"t start, container of 1 pint of gas should pump out from detached carb. fuel inlet, if not replace fuel pump. Very high idle and very low idle could also be a major vacumn leak, check all vacumn hoses, also check intake manifold, spray soapy water around intake manifold try to start, if you see water sucked in or engine now starts, there"s your problem, a vacumn leak.

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Fuel pumps not turning on 1990 f250


it IS poaaable for both pumps to go out at the same time are you getting power through the inertia switch?these also had a problem with the fuel pump plug ins coming loose on top of the tank.should be a TSB (technical service bullitin) on this.

Mar 07, 2010 | 1990 Ford F250

1 Answer

89 dodge shadow. hard start. normal idle cold, fast idle warm. sometimes it wont start until i hear fuel pump activate.


Hello,
The car may be hard to start because it may need a normal tune-up. If the spark plugs are pretty used, they will slowly stop burning as much fuel because the spark slowly gets lesser and lesser. On a cold day the fuel is harder to ignite with a small amount of spark.
Normal idle when its cold means that your cars idle is probably too high. If you lower the idle, the choke on a cold day will keep the idle a little higher until the motor warms and then it will kick back off. If the idle is too high, it will run very rich, smothering itself with fuel, and causing the idle to stay low. When the car warms, its creating better spark when its warm, and with the idle being too high its running at a fast idle.
The car wont start sometimes can be the cause of a few things. If the ground is bad on the fuel pump, it wont make a good connection sometimes for when you turn the key on, the fuel pump dont pump the fuel to the engine. Another one can be that your accessory switch can be loose going to the fuel pump. I think its your ground though. Good luck! Hope this helps.
Have a nice day. -Steve

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98 expedition starts then after 15-20 seconds engine dies..


Replace the idle air control valve. Mine just did it today the 15th of August. I replace the Idle air control valve and problem solve. I have a 2000 Expedition 5.4 liter.

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1997 ford f250 7.3 liter power stroke dielse dieing!


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.

May 21, 2008 | 1997 Ford F250 SuperCab

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