[Kugelsicher]

Well,

I got in the truck this morning and fired her up. She fired up easily, as usual, and ran fine. I drive her pretty hard, and I did not let her warm up much. I ran through 1st and 2nd gear (ZF5), running the RPM's up to over 3000, but did not, and have not, redlined her; although, I run her up into the "orange zone" pretty regularly.

Anyway, I never shifted into third, because I live in a residential section with lots of stop signs, and I just backed off the accelerator and was letting her wind down slowly (still in 2nd gear, foot OFF the clutch), since I was about a block from a stop sign. Don't remember the RPM's at this point, but I suddenly felt and heard a slight "clunk" or "pop" and she died: ZERO response to the accelerator pedal. /ubbthreads/images/graemlins/eek.gif

Tried to start her back up, but no good. Engine spun over quickly and easily, and there were no bad noises, grinding, clunking, clanking or popping, (so I don't think I dropped a valve or anything like that, besides the noise wasn't loud enough for that).... just NO FIRE. Acted just like there was no power to the Fuel Enable Solenoid, but I check it and you could hear it clicking on and off, so I suspect that it is good.

I fear that I may have broken something in the Injection Pump, maybe even sheared the main shaft. Is that possible? /ubbthreads/images/graemlins/shrug.gif Pump is a reman from a local shop. Got it just over a year ago, and it only has about 10K miles on it. I have had no other issues or problems with this pump or the running of the truck since I put the pump on in April 2004.

Any suggestions on things to look for or check, before I go pulling the IJP off the truck?

Any help will be greatly appreciated! /ubbthreads/images/graemlins/smile.gif

 

[Freighttrain]

First off,What part of bam bam you in?

Secondly

Do you see any smoke while cranking from the tail pipe?If not then Doesn't sound like you got any fuel going in....

Check to see if you have any fuel pressure at the filter head.You will have to remove the core valve thingy and hook a gauge up while someone is crankin her over.If you got pressure check for quantity at said valve.Can't remember how much fuel over x seconds but someone will chime in.
If all is good there,Crack an injector line slightly and have comeone turn her over.If you see fuel comming around the nut then the IP is ok.If you got fuel going to the injectors.....and not fire.....after a clunk......RUH OH RAGY.Pull the radiator cap and check for coolant(and any oil) Check the oil for water.

 

[Kugelsicher]

Hi Freight-Train!

I'm in LA. Down near Mobile.

I'm Pretty sure that I have plenty of fuel pressure. I have an electric pump and clear fuel lines up to the filter. I can see fuel in the lines, and I can hear the electric pump running. Besides, the FP is on a manual switch, and I have, at times, forgotten to turn it on, but the truck still starts and runs fine. Also, I think, if it was fuel starvation, she would have started bucking and snorting before she died, and probably would have idled OK. But she just died instantaneously! /ubbthreads/images/graemlins/frown.gif

I will crack an injector line and check for fuel spray around the nut.

Thanks for the input! /ubbthreads/images/graemlins/smile.gif

 

[Kugelsicher]

Help. Mel??? cdnsarguy???

 

[agnem]

[ QUOTE ]
I will crack an injector line and check for fuel spray around the nut.


[/ QUOTE ]

That's definitely the first thing to do. Where is the truck now? Do you run it that hard just because you like to? Not that I have a problem with it, just seems wastefull, and all things being equall, higher RPM's are apt to cause problems at some point. If the injection pump went, I'd be surprised if you could hear it. You didn't just replace your water pump or anything like that did you? If no fuel at the injectors, take the cover off the IP gear housing and make sure that gear is turning! /ubbthreads/images/graemlins/eek.gif If it is, then it must be the pump.

 

[Kugelsicher]

Ahhh.... so it is possible that I sheared the bolts/drive pin that connect the pump to the gear. I will still crack an injector nut, and if no fuel, I'll pull that cover and check the gear.

Thanks! /ubbthreads/images/graemlins/smile.gif

 

[yaric008]

i wonder if it's possible your mechnical fuel pump decided to crap out. If that did you might be able to hear a clunk.

 

[dt466man22]

Just to add.

Are you getting 12V to the Fuel Shutoff SOlinoid? It may not be it but i would check it before i started taking anything apart.

It has happened to me. It will be something simple then i tear it apart to learn it was something simple.


Later

DT

 

[brett_kartracer]

Hmm. That's strange. I would think it was the pump also but it could actually be the cam gear or crank /ubbthreads/images/graemlins/shrug.gif. Over 3,000 RPM's is fine, BUT you should make sure that the engine is fully warmed up before you start rodding it towards the yellow/red line like that. I try to keep mine under 2,000 RPM (not lugging it or giving it lots of fuel either) till the temp gauge shows normal operating temperature. Once it reaches that point and I feel/hear her loosen up, I am not afraid to run her up to touch the red line every so often.

Now it is hard on the engine if you constantly (for long periods of time) run the engine at the yellow/red line, but it doesn't hurt anything to shift her up there.

 

[cdnsarguy]

Had one last week that the IP had unknowingly disintegrated inside on the shutdown. The owner started the truck later and it went into full runaway mode. After scrambling and eventual shut down he too decided to pulled the IP off. When IP was removed from the engine some guts fell out, further investigation showed a broken shaft and destroyed interior.

My guess would be the IP, so pull the inspection cover on the front of the timing gear and see if the 3 bolts and dowel are sheared???

 

[jdkline]

I bet you busted the shaft. happened to me after an install, it was so bad that two of the pump retaining bolts got barfed out of their holes and sheared up...sheesh...the only time my truck has made me walk. This was at 1:00 am buit fortunately still within walking distance of my house /ubbthreads/images/graemlins/phoney.gif

 

[Kugelsicher]

Hey, THANKS guys for all the input. I still haven't had a chance to check anything out (crack injector nut, etc), except I had already checked the fuel enable solenoid and I could heard it clicking on/off, as I removed and reattached the wire to its terminal.

I did get the truck back home that afternoon, but I am in the middle of a big project at work, and I'm working a lot of hours, so I'll get around to it eventually. Meanwhile, I'm driving my old 1990 Lumina gasser Van with 333,000 miles on it! /ubbthreads/images/graemlins/eek.gif She still runs great. I'm glad I didn't get rid of her! /ubbthreads/images/graemlins/smile.gif

I'll let everyone know what I eventually find.

Thanks again! /ubbthreads/images/graemlins/laugh.gif