Question about 1988 Ford F 350

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Injector pump how do i time an international 7.3 liter diesel injector pump

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These things are easy to time. Just line up the scribe mark on the pump to the scribe mark on the timing cover and that's it. The pump only bolts to to the drive gear one way because of a dowel. One tip if your not already aware, leave the injector lines attached to the pump for removal and install, it will make life easier.

Posted on Oct 18, 2008

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Hi iv got an 02 2 liter transit 52 reg iv got diesel poring out ov injector pipes but wont start even with a tow if I take intake pipe off and spray wd40 down it will try and start as I said iv got loads...


if this is a common rail diesel then the pump will not be producing sufficient pressure to operate the injectors. There will be fuel at the injectors but not the required pressure (20.000 +psi )
if it is a in-line pump or rotary pump there may be a problem with the pump timing

Feb 12, 2015 | Cars & Trucks

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There is supply of diesel fuel from the lnjection pump but it seems no diesel going inside the chamber,,


Not enough information. What vehicle? What year? What kind of injection system? There are basically two kinds of diesel injection - injector pump and common rail.
I did notice you talking about an injector pump, but both these systems need a high compression pump to operate the injectors. On the older systems, the injector pump is connected via a gear system to either the crank or the camshaft, and its task is to supply fuel to the injectors in very much the same way as a distributor does on a petrol car.
Now, do you mean the header pump that supplies diesel to the injector pump, or do you mean there is diesel coming out of the injector pump between the pump and the injectors?
On the other system, which I assume you are talking about, diesel is supplied to a high pressure pump which keeps a rail at high pressure. All the injectors are connected to this rail - from there the name "common rail" - and the timing is supplied by the Engine Control Module (ECM) via electrical impulses. Now ,if you have diesel supplied to the common rail but the injectors are not popping, the problem is most likely with the ECM.
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This is an unusual problem as injector pumps use diesel to lubricate internally and to cool the pump. For it to overheat and cause you problems means that fuel is escaping under high pressure or the operating pressure is excessive . Best discuss this with a professional diesel pump repair shop as I feel there is a serious problem in the pump.

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My 93 dodge w250 5.9 liter Cmmings turbo diesel does not want to idle. Runs at high rpm. On the road cruises around 30 or 40 mph and heating up brakes trying to stop. Linkage not sticking. If I rev engine...


Great engines using Bosch injection. This should be physically inspected for anything that may be missed but it really sounds like you have an internal leak in the pump causing excess fuel to be delivered to the injectors. If this is the case, the pump can be rebuilt but only by someone qualified with these. If you need removal instructions, let me know. Air leaks will not cause this on a diesel engine.

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change the delivery fuel pump right before the injector pump should 100% solve the problem. thanks

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1 Answer

Where is the fuel pressure regulator located on a 2003 f-350 diesel 7.3 liter, and how will you know if this is bad?


most diesels don't have a fuel pressure regulator,  The primary pump pressurizes a fuel loop keeping fuel ready for the injector pump. Throw in a few filters and thats about it.
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1 Answer

04 f250 diesel cranks but won't start


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Wate in Diesel Fuel


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1 Answer

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Injectors could be blocked but i would go with an injector pump or fuel pump.

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