From: Joe Shannon (fordpart@bellsouth.net)
Date: Mon May 27 2002 - 12:42:19 PDT
Try to take them to someone who will let you watch them pop them off.
We have a couple of diesel shops here that say injectors are always bad.
If you are around this do not use your finger to scrape a deposit from the end of the injector. If it decides to pop while your finger is there it will inject into your skin sort of like a hypo spray for you Star Trek buffs.
Joe Shannon
ASE diesel
ASE gas
Imaca
various corporate certificates
John Souza wrote:
> No. 2 injector need to be checked on an injector tester, not visually looked at. There is probably something in the tip. I would yank all the injectors out and take them to get the "pop off" pressure checked. WHen that is donw you can see the spray pattern of the injector and see if they leak or dribble as they build up pressure. The reason the engine sound didn't change when the line was loosened on No., is that it wasn't working int he first place. The same result you get on a gas engine that you pull the plug wire on a plug that isn't firing.
>
> Let me know how it turns out.
>
> John
> MVPA #2697
> Fresno, CA
>
> >>> JJ&A <w7ls@blarg.net> 05/25/02 23:40 PM >>>
> My M35A2 with a LDT-465-1C engine has suddenly developed a problem. The
> problem arose within one day. It runs poorly, now. Sounds rough. Appears
> to be missing on #2 injector. We started it up, then loosened the high
> pressure line to each injector, one at a time, looking to see if the
> engine bogged down, and that we observed fuel squirting out of the
> connection. On #2, as the ferrul was backed off a little, fuel squirted
> out, but the engine continued to run rough, with no changes. All the
> rest of the injectors squirted fuel and the engine ran rougher, all of a
> sudden. This indicates that each of those cylinders I was testing was
> functioning as it should, more or less. #2 is not delivering fuel, for
> some reason. It was taken out, opened up, cleaned and checked. Seemed to
> be fine. Put back in engine and repeat test. Same result. Could it be
> blowing by the overpressure valve in the injector and just dumping out
> the low pressure drain, back into the fuel system?
> Other than this recent problem, the engine works great. Ideas?
> Thanks. Jim
>
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