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Glow plugs are less than a year old and truck has no problem starting cold so I would assume they are fine. There could be an exception to this but if its sucking air somewhere I would expect it to lose prime, and that is not the case. It can sit for a month and start right up, and it will run...

Old thread, same problem. I have replaced injectors with no improvement of my warm start problem. To recap, M1009 quit starting when warm, installed manual GP switch and that worked for a few days...then no warm start even with glow. Sent IP to DCP Memphis for rebuild, installed and have same...

If youre talking about the electrical connection, yes all of the connectors are there and everything functions as best I can tell, except the high idle solenoid, that does not work. IP is getting fuel and the return line is always showing fuel. It will start right up cold and run fine, go down...

Put a clear tube on the return line coming out of the IP. At first I saw some sand grain sized bubbles so I went around and checked/tightened a number of hose clamps in the fuel line. Bubbles stopped. However, still whenever I shut it off its immediately done. Today it was running for maybe 5...

After the truck sat overnight it once again started no trouble..instant start. Let it idle for 5 minutes or so, shut it off and waited a few seconds..now it turns over a few times then catches. Shut it off, wait...now its getting harder to start. Third time it never caught. Glowplugs activated...

I talked to Diesel Care and they sent a label to ship the pump back. However when I went to start the truck earlier today it started up and acted normal. Smoothed out and everything feels like it should. Maybe it was air working out? But this brings me to my next problem, which was the original...

I got it online a while ago, not sure what it is but Ive put a lot of miles on the truck with it without issues. Old cable was toast and is long gone.

Thanks I will try tomorrow, but I can tell you that the throttle shaft feels smooth throughout range of motion and the cable is new, so the linkage from shaft to pedal is all smooth and nothing hangs up. The pedal moves the shaft full motion open to close and returns as it should. Idle is pretty...

Recently I sent my ‘86 M1009’s IP to Diesel Care in Memphis for a rebuild. Got the rebuilt pump back on and got it bled, finally... now I go to start the truck and of course it doesnt sound happy but if I let it sputter along long enough or if I give it a little fuel the RPM just takes off and...