Alrighty, working on my dads 96 7.3 again. Has roughly 90k miles (yeh it sits alot). Anyway, it had gotten to where it didnt want to start when it got hot, and would randomly develop a stumble or miss at idle. Also it would stumble and act like it was going to choke down when you would coast down from a moderate cruise with it still in gear. Changed the fuel pump & the IPR valve awhile back and it seemed better, for awhile.
Last week I drained both fuel tanks (fuel was nasty), treated them, replaced fuel filter and it ran without a hitch for me for several hours. Left it with him, and when he went to drive it yesterday, no dice, wouldnt fire. Just spun over. He tried it 4 or 5 times and then drove his other truck to work. Now it was between 35 and 40 degrees yesterday morning.
Figured it must be a GP problem, so today I checked, relay is good, it appears to have 2 bad glowplugs (front on pass side, rear on drivers side not sure of the ford numbering system).
While I was checking the GP's I noticed a fair amount of fuel in the lifter valley. I thought I cleaned it all out last weekend after doing the fuel filter, but maybe not. Anyway, washed it all out and so started the truck to dry it out. Let it idle approx 15 mins while I picked up tools, etc.
Got in it, backed out of the driveway, turned the corner and got on it hard. Made it to third gear and it was like the throttle just quit working. It quit pulling wouldnt rev, nothing, pushed the clutch in and it cut itself off.
Hit the key and it turned over for approx 5secs before it caught and after that it ran just fine.
WTF is wrong with this thing?!?!?! Im just thinking here (afterall Im a chevy guy and not well versed in the ford injection system) that perhaps the filter bowl has a leak and him trying it friday was enough to reprime the bowl so that it fired up for me late in the day yesterday, and that today when I started it it had leaked down to a point that when I got on it hard it drained the bowl again, and it shut down, making the longish crank necessary.
Sorry for the long post but I want to get all the details in so maybe someone can give me some advice, ideas, etc.
Last week I drained both fuel tanks (fuel was nasty), treated them, replaced fuel filter and it ran without a hitch for me for several hours. Left it with him, and when he went to drive it yesterday, no dice, wouldnt fire. Just spun over. He tried it 4 or 5 times and then drove his other truck to work. Now it was between 35 and 40 degrees yesterday morning.
Figured it must be a GP problem, so today I checked, relay is good, it appears to have 2 bad glowplugs (front on pass side, rear on drivers side not sure of the ford numbering system).
While I was checking the GP's I noticed a fair amount of fuel in the lifter valley. I thought I cleaned it all out last weekend after doing the fuel filter, but maybe not. Anyway, washed it all out and so started the truck to dry it out. Let it idle approx 15 mins while I picked up tools, etc.
Got in it, backed out of the driveway, turned the corner and got on it hard. Made it to third gear and it was like the throttle just quit working. It quit pulling wouldnt rev, nothing, pushed the clutch in and it cut itself off.
Hit the key and it turned over for approx 5secs before it caught and after that it ran just fine.
WTF is wrong with this thing?!?!?! Im just thinking here (afterall Im a chevy guy and not well versed in the ford injection system) that perhaps the filter bowl has a leak and him trying it friday was enough to reprime the bowl so that it fired up for me late in the day yesterday, and that today when I started it it had leaked down to a point that when I got on it hard it drained the bowl again, and it shut down, making the longish crank necessary.
Sorry for the long post but I want to get all the details in so maybe someone can give me some advice, ideas, etc.