IT FINALLY HAPPENED!!!
Thread Starter
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wellhead
Joined: Mar 2007
Posts: 417
Likes: 0
From: Russellville, Arkansas
IT FINALLY HAPPENED!!!
After 10 years and 87,000 miles my truck just about quit on me yesterday. After stopping at a Plumbing Store,trying to locate a couple of 1/2" X 3/8" 90* PEX fittings,which I never found. After start up I noticed the injectors were getting a little louder. It started missing,slowing down,and shaking. It started running on just one bank of cylinders. I decided to pull her over and shut it down. Started it afew times with no change. Called Good Sams Emergency road service and had the truck hauled to the house.
Ohmed out the UVCH today. Here are the results:
Driver side front to rear:G=1.3 G=1.3 I=3.8 I=3.9 (C) I=3.6 I=4.1 G=1.3 G=1.3. These readings look O. K.
Passenger side front to rear: G=1.5 G=1.6 I=4.3 I=6.1 (C) I=13.9 I=3.7 G=1.6 G=1.5
Looks as though I partially knocked a injector clip off and it finally came off. I did shim both UVCH two months ago.I will be pulling the VC in the morning.
What do you guys think?
I apologize for the long thread.
Grady
Ohmed out the UVCH today. Here are the results:
Driver side front to rear:G=1.3 G=1.3 I=3.8 I=3.9 (C) I=3.6 I=4.1 G=1.3 G=1.3. These readings look O. K.
Passenger side front to rear: G=1.5 G=1.6 I=4.3 I=6.1 (C) I=13.9 I=3.7 G=1.6 G=1.5
Looks as though I partially knocked a injector clip off and it finally came off. I did shim both UVCH two months ago.I will be pulling the VC in the morning.
What do you guys think?
I apologize for the long thread.
Grady
Thread Starter
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wellhead
Joined: Mar 2007
Posts: 417
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From: Russellville, Arkansas
Thanks,Grant. My thoughts also.
Snowboard season cometh..
Joined: Jan 2006
Posts: 5,406
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From: Gulf Coast of Florida
How's your oil level, and when was your last oil change? Is there a chance that you've gotten low enough on oil that the engine is having trouble firing the injectors? I think you need to check the UVCH for burnt pins and/or loose connections, but also make sure you get a "complete" fix.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
That's what it sounds like to me too. I'd start by checking the fuel bowl. It's easier than pulling a valve cover. Open the drain valve and turn the key on. If you've got good pressure, try and start.
Thread Starter
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wellhead
Joined: Mar 2007
Posts: 417
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From: Russellville, Arkansas
Dan,I thought of that also. With key on I confirmed the fuel pump was running and was getting a good stream of fuel out the fuel drain line.
I will pulling the passenger side UVCH this morning, I suspect and hope to find one of the injectors wires partially disconnected.
I
I will pulling the passenger side UVCH this morning, I suspect and hope to find one of the injectors wires partially disconnected.
I
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Thread Starter
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wellhead
Joined: Mar 2007
Posts: 417
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From: Russellville, Arkansas
How's your oil level, and when was your last oil change? Is there a chance that you've gotten low enough on oil that the engine is having trouble firing the injectors? I think you need to check the UVCH for burnt pins and/or loose connections, but also make sure you get a "complete" fix.
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Thread Starter
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wellhead
Joined: Mar 2007
Posts: 417
Likes: 0
From: Russellville, Arkansas
Less than 1,000 miles on the oil.
Thread Starter
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wellhead
Joined: Mar 2007
Posts: 417
Likes: 0
From: Russellville, Arkansas
I changed out my black CPS for a intl. grey one. Made no difference.
I had the valve covers two months ago to do the 50 cent mod. I suspect with the high ohm reading on the pssenger side I might have some how partially dislodged the injector connector and it finally shooked loose. I don,t know. Think I read here somewhere that when an injector solenoid goes out it will shut down the bank. Am i correct?
I will be pulling the passenger sie UVCH today.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
Yes a bad soleniod can shut down the entire bank, but that won't make it stall, keep it from running, or keep it from starting up and running on the other 4 cylinders. Have you tried starting it after you discovered you had good fuel pressure?
Postmaster
Joined: Dec 2008
Posts: 3,340
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I only got from the OP that it acted like it was running on 4 cylinders. He definetely has an issues on the passanger side. One injector read over 6 and another over 13. Maybe the combination causes the pcm to shut down the bank. He may have other issues but need to fix any know problems first. I would start the truck with the valve cover off so you can see the injectors discharging oil. If they don't they are not firing.
Thread Starter
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wellhead
Joined: Mar 2007
Posts: 417
Likes: 0
From: Russellville, Arkansas
Yesterday ohmed out the injectors. As you can see in my first post i found one injector with 16.9 ohms, I hope to find the connector off.
I have all the bolts out of the valve cover. When it cools off a little i will
****** the cover off. Its just too dang hot at the moment.
Thread Starter
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wellhead
Joined: Mar 2007
Posts: 417
Likes: 0
From: Russellville, Arkansas
I only got from the OP that it acted like it was running on 4 cylinders. He definetely has an issues on the passanger side. One injector read over 6 and another over 13. Maybe the combination causes the pcm to shut down the bank. He may have other issues but need to fix any know problems first. I would start the truck with the valve cover off so you can see the injectors discharging oil. If they don't they are not firing.
Thanks for all the help.
Posting Guru
Joined: Jan 2007
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From: Gilbert Az.
