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I have a 91 F350 IDI would I be able to do a diagnostics test on it? An if I am what all does the diagnostics test cover. Will it show u what's wrong with the engine and tranny?

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You can buy a scanner and hook up to the computer on the truck. Or you can jumper a plug in the engine compartment and make the check engine light flash the trouble codes. You can look online for the procedure and the definition of the codes.
I doubt you will get much info about the transmission since transmission control did not become the computer's job until later in the 1990s.

Posted on Jul 27, 2013

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Posted on Jan 02, 2017

  • 36 Answers

SOURCE: TRANNY PROBLEM

THAT CAR HAS SENCERS EVERY WHERE TRANSAXEL COULD BE BAD WHEEL BEARINGS

Posted on Dec 12, 2008

  • 11 Answers

SOURCE: I have 91 ford f350 making nosies need help plz help me out

it sounds like the filter might not be the right one....
or the pump isnt priming.....

like "diesel mudder" said previously : was yr tranny in bad shape b4 you changed the fluid and screen?

Posted on Jun 24, 2009

tripletauto
  • 1450 Answers

SOURCE: Need the glow plug/controller wiring

HERE IS THE DIAGRAMtripletauto.gif

Posted on Dec 15, 2010

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I need a service manual for a 1990 ford F350 DSL TURBO IDI


Visit the on-line store, know as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
Best Manuals

Dec 12, 2016 | 1990 Ford F350

1 Answer

My 93 ford f250, 7.3 IDI sounds like a rod is knocking when I first start it up but after it warms up it sounds very faint. What could be causing this noise?


The 7.3 idi engine is a compilation of ford and international engineering with a compression ratio of 21.5:1 ratio and produced 338 ft/lb of torque @ 1400rpm
It is an indirect injection engine (IDI) and the noise could come from a cracked pre-combustion insert that expands on compression heat and so reduces in sound. It may also be a faulty injector tip that is squirting rather than atomizing as it should
I would remove the injectors and have them tested at an accredited diesel repair specialist before going any further. Talk with a service centre for advice on the insert but as they are normally covered partially by the block there is a risk that they may come out or disintegration but it needs checking out.

Feb 05, 2015 | Ford Cars & Trucks

1 Answer

I have a 91 f350 7.3 liter idi. It will not start


cranks ok , and fast?
after checking all fuses. (the FSM shows correct fuse)

International Harvester IDI (from Indirect Injection) engine is a 4-stroke 8-cylinder Diesel engine used in International Harvester trucks,
like all diesels check fuel filters first. (service)
then make sure glow plugs work. (fsm covers this)
then scan it EFI for DTC errors. got errors?
direct injection uses EFI.

IF DIY, you need the book, I promise.....
its not simple like old diesels were.

May 03, 2014 | Cars & Trucks

1 Answer

1995 7.3 idi wont fire fuel or eather


have you taken off the valve covers to see if the connectors are broken the wires to the injectors and the glow plugs and they are molded into the valve cover gasket over time the little tab that holds them together breaks and they come apart the gaskets are about 110 dollars through dorman

Feb 12, 2014 | 1995 Ford F350

1 Answer

Hi how can I increase my horse power and torg. on my 1990 7.3 no power stroke?


Your 1990 will have an IDI 7.3 diesel engine in it and there isn't much you can do. You can turn up the fuel, but that is dangerous without gauges. Another option is to install an aftermarket turbo. If you want to turn up the fuel here is a link to the page that explains it. MAKE SURE YOU INSTALL A PYROMETER ( EGT gauge) FIRST!!!

http://www.members.shaw.ca/k2pilot/Injection%20pump%20adjustment%20article.htm

Jul 19, 2011 | 1990 Ford F350

3 Answers

My car will not run or starts and will not take the gas when it rains or damp outside. when it sets a day or two then runs great. What can it be. I was told it can be a module. Which one. yes 1996...


If your car is equipped with a 2.4L Quad 4 engine, you most likely need to replace your ignition coils. They are located inside what is called the "IDI Module" This is the large cover on the top of the engine that says "Quad 4". The ignition coil housing and spark plug boots should also be replaced. (See pictures below)

To replace the coils, disconnect the IDI electrical connector (Driver's side of the IDI Module) Remove the 4 bolts retaining the IDI Module to the cylinder head.

NOTE: be careful not to loose the washers under the bolts. Sometimes they will stick to the IDI Module and will fall off when you remove it. It is best to take a small screwdriver and get them loose before they have a chance of getting lost. Trust me...It happens all the time.

Remove the IDI Module from the cylinder head and flip it over. Remove the 4 screws holding the coil housing to the IDI module and remove the housing. Remove the screws holding the ignition coils and remove the coils. Reverse procedure to install.

IGNITION COIL

dttech_23.jpg

COIL HOUSING

dttech_24.jpg
SPARK PLUG BOOTS

dttech_25.jpg

May 22, 2011 | 1996 Chevrolet Cavalier

1 Answer

1994 f350 7.3 idi turbo diesel location of oil pressure sending unit


on the 7.3 idi , the oil pressure sending unit is mounted on the oil tube on top of the turbo. that is if it is the original

Sep 26, 2010 | 1994 Ford F350 Crew Cab

1 Answer

I have a 87 ford f250 6.9 idi it terns over win i put the batter cabel on the batter


try unhooking the ignition switch wire from the solenoid, if it still turns over, the solenoid is bad.

Oct 28, 2009 | 1990 Ford F350

1 Answer

Injector control pressure sensor circuit low


I can't remember that year exactly so help me out it's been a while
is that a IDI diesel that has a injector pump sitting in top center front of engine (has all the fuel lines running off it) or is it a Direct inject engine that has the injectors all comming off a central fuel rail

IDI diesel = sensor is on pump front lower under cold throttle kicker coil

direct inject= sensor is on driver side at end of fuel rail toward fire wall

Apr 01, 2009 | 2003 Ford F350 Super Duty DRW SuperCab

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