Water in Fuel Issue, Now rough Idle
Thread Starter
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Mountain Pass
Joined: Oct 2003
Posts: 207
Likes: 1
From: Desert, Arizona.
Water in Fuel Issue, Now rough Idle
I had a full tank of water contaminated diesel recently. Now after the shop drained the bad diesel and I refilled with clear, bright green diesel, I have a rouhg idle.
I had ran with the water/diesel mix for a while (no choice) can this damage injectors ?
Is there something I can do besides changing them ?
I had ran with the water/diesel mix for a while (no choice) can this damage injectors ?
Is there something I can do besides changing them ?
Smokin
Joined: Jun 2006
Posts: 8,849
Likes: 0
Dangit. I remember reading your Petro diesel fiasco and I hoped nothing bad would come of it.
I think the answer to your question is yes. Beyond that, I don't really have a better answer for you, but I am hoping for the best.
I think the answer to your question is yes. Beyond that, I don't really have a better answer for you, but I am hoping for the best.
Smokin
Joined: Jun 2006
Posts: 8,849
Likes: 0
It is also possible there is still water in the lines somewhere, even if the old fluid was drained and new diesel was put in. I got some questionable diesel this past winter and it took several tanks to get it all out.
Thread Starter
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Mountain Pass
Joined: Oct 2003
Posts: 207
Likes: 1
From: Desert, Arizona.
the clear glass pre-pump filter is now pretty, clear, bright green diesel. the symptom now is more of a miss.
i put in some additive, the white bottle from walmart. i drove about 10 miles, should i do more ?
i put in some additive, the white bottle from walmart. i drove about 10 miles, should i do more ?
Postmaster
Joined: Mar 2008
Posts: 4,158
Likes: 0
From: Paramount, Ca
Maybe try some 2 stoke oil to lubricate the injectors. Water can damage the injectors, I'd replace the fuel filter and put something in the bowl to lubricate the injectors.
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Thread Starter
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Mountain Pass
Joined: Oct 2003
Posts: 207
Likes: 1
From: Desert, Arizona.
just ran it 60 + miles. now runs rougher at idle. smooths out at speed. seems to have adequate power at speed, but off idle is rough until you get going.
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Postmaster
Joined: Jul 2006
Posts: 3,754
Likes: 1
From: Indianapolis
You may have damaged your injectors. I hate to say it, but I do so because I think I have the same issue. My stupid WIF light works when it feels like it, so I didn't know I was running straight water until it shut down on me. After I drained 5 gallons of water from my 55 gal tank, it took a while, but yeah, she's running a little rougher every week. You can take it to a stealership to get it diagnosed, but they'll probably quote you what they did me- $4400 for new injectors, VC gaskets, UVC harnesses, and of course labor. I told the mto put my damn truck back together, and bought a set of Swamps single shot for $1400 delivered. Put them in myself, took about a day. Oh yeah, and if you do do this yourself, either used the quater shim to hold your UVC plug together, or buy new UVC and VC harnesses, I found out the hard way LOL.
Junior User
Joined: Dec 2006
Posts: 54
Likes: 0
My truck is running rough after I got a bad tank of fuel a few weeks back too. I have since had #8 injector and the torque converter replaced and still no fix. Please somebody chime in on this one!!!! The mechanic is suspecting a bent valve, but it smooths out over 1000rpm.
