Question about 1990 Ford F250

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1990 ford f250 won't idle

Dies at idle

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 8 Answers

SOURCE: 1997 ford f250 7.3 liter power stroke dielse dieing!

check fuel pressure at regulator, should be 40-50psi, could be mechanical fuel pump. go to ford and/or international truck service dealer, they have fuel pressure tester.
my 97 F250 acted same way, would white smoke on highway, was mechanical fuel pump not providing enough fuel to injectors.


Posted on Jul 08, 2008

  • 393 Answers

SOURCE: my 2000 ford F250 v-10 is idleing weird.

there is a component called an air bypass valve. located on throttle body near the throttle plate. some of these are cleanable. it is held in with 2 8mm bolts. remove from throttle body and then seperate the solenoid from plunger by removing 2 phillips screws then you will be able to clean shaft with a good carbcleaner.

Posted on Nov 11, 2008

MNfisherman
  • 11896 Answers

SOURCE: 1990 Ford f250 Diesel dies at idle.

could be bad glow plugs or plug heaters, faulty wiring to the coil, vacuum leak.

Posted on Jan 29, 2009

  • 51 Answers

SOURCE: ford f250 diesiel sputters blows black smoke dies

youll think im crazy but change the oil and look for a oil leak, prob around the fuel filter

Posted on Aug 26, 2009

  • 582 Answers

SOURCE: Would an 1990 ford f250 7.3L diesel , transmission

IF MY MEMORY SERVES ME RIGHT THE 5.0 IS A SMALL BLOCK AND THE 7.3 IS A BIG BLOCK. IF THIS IS THE CASE NO THE TRANY WON'T BOLT UP

Posted on Sep 16, 2009

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3 Answers

I have a Ford 1990 f250 xlt 7.5 When starting revs up and down slowly then dies sometimes, why?


Clean the throttle body and idle air control motor(IAC) on the side of it. Mostly the IAC and the hole it sets in. Also check the air filter.

Apr 26, 2015 | 1990 Ford F250

1 Answer

Rough starting and idle, acting like vipor lock


Have the fault codes read. Replace faulty items. Use only
genuine items as replacement as non-genuine are not always compatible with the OEM fitted CPU units. This results in the fault codes not cancelling out.

May 18, 2013 | 1990 Ford F250

1 Answer

F250 1990


Check your control module of your switch and check your big tank is working the fuel pump.

May 17, 2013 | Cars & Trucks

1 Answer

1990 Ford f250 brake lights and turn signals won't work - checked all fuses, flasher and bulbs and all are good, what could problem be??


Well the brake light and turn signal circuits are on two different fuses, but they both go thru the turn signal switch.
So I would start by checking for power in and out of the turn signal switch for each circuit.

Apr 07, 2013 | 1990 Ford F250

1 Answer

Truck starts and idles won't gain rpms when throttle pressed then dies out


the engine has jumped timing or you have a air leak in the manifold to carb if its fuel injected check for how much fuel pressure your getting also replace spark plugs and wires cap rotor

Apr 02, 2013 | 1990 Ford Bronco

1 Answer

I have 1990 ford f150 5.8 liter it idles high when in park and idles about 1200 rpm when in gear and sometimes surges up and down. i have clean the idle control and check showing 12.5 ohms still won&#


One common problem is a vac leak or a sticking throttle plate.
The computer controls idle speed by how much air is allowed into the intake. The idle control valve could be sticking even tho you have cleaned it, or have a faulty motor.

Sep 12, 2012 | 1990 Ford F150

1 Answer

My 1990 Ford F250 won't start but has new starter, battery and ignition switch


Have you checked for 12 volts coming in going out of the the starter solenoid switch that is mounted passenger side fenderwell.

Jan 14, 2012 | 1990 Ford F250

1 Answer

I have a 1990 F250 have been trying to get running again it was backfiring so got the timming fixed now its cutting out then will loose power and die when i try to start it ack's like its starving for gas


Hi and welcome to FixYa!

You may have vacuum supply irregularities. As a first course of action please check the vacuum hoses for they may be disconnected or worn out. If the hoses are worn out it tends to have vacuum leak which may cause irregularity on the idle.

Hope this helps and thank you for using FixYa! Have a good one!

Mar 06, 2011 | 1990 Ford F250

1 Answer

1990 Ford f250 Diesel dies at idle.


could be bad glow plugs or plug heaters, faulty wiring to the coil, vacuum leak.

Jan 29, 2009 | 1986 Ford F 250

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