At a loss, with stalling problem!
Tuned
Joined: Jun 2010
Posts: 427
Likes: 1
From: New York
Your fuel pressure is fine. When you find a scanner they can do a buzz test and test your injectors. Or pull your valve covers, do the .50 cent mod and watch what injectors are spitting fuel and which aren't. I wonder if your Injector driver module is acting up.
Posting Guru
Joined: Mar 2008
Posts: 1,537
Likes: 0
From: Dongola, IL
Buzz tests are good, but will sometimes still buzz injectors even if the UVCHs are bad. I know this from personal experience 
They are a better test for determining if your injectors are in good shape (although it is not a black and white sentence for that either) than it is for UVCH testing.
They are a better test for determining if your injectors are in good shape (although it is not a black and white sentence for that either) than it is for UVCH testing.
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Senior User
Joined: Oct 2010
Posts: 136
Likes: 0
From: Bloomington
Man, wish I had an AE. OK, where in the cps wiring should I look? Gonna get a ford cps tomorrow morning, got a parts store one and the other is unknown(came with truck). Any way to check the IDM? Heard it's a mother to get to. Got another symptom for ya, don't now why I decided to check this but I did. Sometimes when it starts it tries but doesn't quite catch, like i described in an earlier post. Kind of like it's cold out and the glow plugs aren't working. So... I decided to check voltage at the gp solenoid. Nothing, put a new one on I had laying in garage. Still no voltage at post. 12 volts at the supply post. 12 volts coming from computer. Nothing at gp post. Took the wires leading to gp off and check voltage at solenoid again, TADA 12 volts at post, weird! With key on voltmeter reading 13 volts actually, I took the gp lead and touched the solenoid with it and instantly no voltage. Absolutely at a loss. Something loose in UVCH cause this issue?
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Senior User
Joined: Oct 2010
Posts: 136
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From: Bloomington
Another update, have since done the 25cent mod(drivers side only so far) since my last post. Freakin' bolt up against the fire wall is a bugger! (bolts were all rusty). Harness was a little loose, retorqued rockers and injectors, and tightened up the harness. Now my glow plug relay shows about 12 volts for about a minute with the key turned on. Didn't before, coincidence, who knows but the volt meter shows 12 volts on the gp post now! Seemed to start better.......maybe it's just desperate hope on my part! LOL. Anyway gonna do the passenger side tomorrow, I'm beat. Also, wanted to thank everyone who has looked at this post, and provided any insight! This site has already saved my pocket book more than once. Dave.
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Senior User
Joined: Oct 2010
Posts: 136
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From: Bloomington
Yet another update, took truck for drive after 25cent mod. Stalled on side of road after about 10 min of driving. Would just crank and crank, no start. Let it cool for 20 min and she barely started. Drove home normal, then began to lose power 100 feet from home, stalled in the driveway! Wife's pissed, gonna get me a gasser. I've had it with this thing.
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Senior User
Joined: Oct 2010
Posts: 136
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From: Bloomington
That thought had crossed my mind after doing some more reading. Need to find a place to install a pressure guage. HPOP is staying full though. I convinced this is a oil control/heat related issue. Only happens when warm/hot. Could the electronic part(a magnet/solenoid i think) of my IPR be failing? IPR has new o-rings in it. Brand new IPR maybe? Will check oil pressure tomorrow after work. Gotta get a ride to work with a coworker in a dodge! I'll have to hear it all day.
Posting Guru
Joined: Jan 2007
Posts: 2,364
Likes: 3
From: Gilbert Az.
Ouch that hurts!....I have seen them stick in high mileage trucks, but yours sounds more like a LPOP to me, especially with the temp. Issue, does the truck seem stall when you have let off the pedal quickly? Like when you come upon a sudden stop, and not when you make a slow release, like coming up to a red light?
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Senior User
Joined: Oct 2010
Posts: 136
Likes: 0
From: Bloomington
Yes, usually stalls when sitting a red lights or stop signs. Gonna try to hook up a temp. pressure guage to check oil pressure tonight. Good place to install pressure gauge? Will always restart with some cool down time.
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Senior User
Joined: Oct 2010
Posts: 136
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From: Bloomington
Like me everyone must be out of ideas, hence no new posts? Anyway, weather you care or not, one more update tonight. Someone had thought LPOP, well 55psi at idle cold, down to about 28psi at idle completely warmed up after running for about 45min. I feel that eliminates the LPOP. Took the electromagnet(solenoid) off of the IPR and double checked my installation and the electrical connections. Cleaned them all up. Truck has been running perfect all night! Not conviced I found problem yet, gonna drive it to work tomorrow and it's supposed to be hot. We'll see. Thanks again to those that offered ideas.
Posting Guru
Joined: Jan 2007
Posts: 2,364
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From: Gilbert Az.
I did have a IPR connector problem on 1 several years ago, it did have some similar symptoms to yours, but also would stall randomly at accelleration and nd occasonialy at idle, swapped connector with ebpv connector (was on the road when it failed completely) hope that's all it is! You can buy that connector pigtail from some site sponsors.
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Senior User
Joined: Oct 2010
Posts: 136
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From: Bloomington
How do I do that, sounds like it might provide good information? Almost 90 today, drove to work with no hiccups. Keeping my fingers crossed!
Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
It's going to take about 30" of high pressure hose. 7000psi is what mine is. A 5000psi gauge. And the fittings to attach it all together. I plumbed into the hp oil rail on the heads, either side will be fine. The main fitting I used is a #5 o ring boss- 1/4" jic and it goes into the head. The hose you get needs a 1/4" jic on one end and 1/4" pipe on the other. I may have a vid. If not I'll make one for you. If you need more info a need to call. Pm me!