Two codes, intermittent WIF light and failing injector - Ford Powerstroke Diesel Forum
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post #1 of 18 Old 08-07-2013, 05:09 PM Thread Starter
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Two codes, intermittent WIF light and failing injector

Here's what I've got. I recently let the truck sit for about two and a half months, it had a half a tank of fuel in it and before I cranked it up I poured a can of Seafoam into it and let it sit for the day. Then next day I cranked it up and drove over to fill it up with new fuel. I've driven it for just under 700 miles since then, but after about 300 miles my WIF light came on. I expected that so I promptly pulled the plug to drain it. The light stayed on so I planned on changing the fuel filters, but I wanted to wait until I had run all the fuel that had sat in the tank out. After my next fill up I changed the fuel filters and pulled the plug on the frame filter one more time. The light comes right on when I crank it up, but after I drive it for more than 10 miles or so it goes off. Today I noticed it didn't seem to be idleing correctly. Not horrible, not even anyone that didn't drive it everyday would notice but I heard something different. I checked my codes and I've got a P0263. I picked up some Diesel Kleen this afternoon, but I wanted to get some input on here. I read a bunch of threads, but I couldn't find anyone that had a situation that matched mine. What do y'all think?



2004 F-250 Crew Cab FX4
PMM coolant filter, PMM EGR delete, SCT X3 w/ MPD, Atlas 80 FICM tune, 4" TB exhaust, MTW Stage 1, quad gauge pillar pod w/ Glowshift Maxtow gauges, Edge CTS

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I really believe these trucks have adaptive behaviors to your driving habits. Your truck reflects you.
If you think your truck might let you down…………..it WILL.
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post #2 of 18 Old 08-07-2013, 05:23 PM
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From what I've read on it, P0263 is #1 injector issue. If you know anyone with an AE, run a contribution test to confirm. Might be needing a new injector.

2002 F250 CCSB 4x4
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post #3 of 18 Old 08-07-2013, 05:39 PM Thread Starter
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What do you mean by AE?



2004 F-250 Crew Cab FX4
PMM coolant filter, PMM EGR delete, SCT X3 w/ MPD, Atlas 80 FICM tune, 4" TB exhaust, MTW Stage 1, quad gauge pillar pod w/ Glowshift Maxtow gauges, Edge CTS

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I really believe these trucks have adaptive behaviors to your driving habits. Your truck reflects you.
If you think your truck might let you down…………..it WILL.
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post #4 of 18 Old 08-07-2013, 05:57 PM
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Auto Enginuity. Or other comparable quality scanner.

2002 F250 CCSB 4x4
PHP Phoenix, John Woods VB, NUC bypass, 6637

"No country can be called free which is governed by an absolute power;
and it matters not whether it be an absolute royal power or an absolute
legislative power, as the consequences will be the same to the people."

--Thomas Paine, Four Letters on Interesting Subjects, 1776
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post #5 of 18 Old 08-08-2013, 11:52 AM
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I'll post later tonight, gotta clock in now. I'm bookmarking this so I can find it later.

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post #6 of 18 Old 08-08-2013, 02:58 PM Thread Starter
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An update for today. I put about 300 miles on the truck today before the WIF came on. I poured the Diesel Kleen in the tank this morning and filled it up.



2004 F-250 Crew Cab FX4
PMM coolant filter, PMM EGR delete, SCT X3 w/ MPD, Atlas 80 FICM tune, 4" TB exhaust, MTW Stage 1, quad gauge pillar pod w/ Glowshift Maxtow gauges, Edge CTS

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Originally Posted by F450Harley View Post
I really believe these trucks have adaptive behaviors to your driving habits. Your truck reflects you.
If you think your truck might let you down…………..it WILL.
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post #7 of 18 Old 08-08-2013, 05:53 PM
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The two problems may not be related. I'm going to suggest that you attack them seperately until it is determined that they are related.

On the injector code, is it a dead miss or just a little rough? If it has been a while since you changed the oil I'd say to do an oil change with T6 and hit it with some RevX. Yeah, I know, $150 oil change. It would still be a good idea to have a cylinder contribution test done.

On the WIF light. Pull the cover off of the HFCM and clean the crud out of it. You will be amazed at how much funk is in there. If the sensor looks rotten, get a new one.

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post #8 of 18 Old 08-08-2013, 06:35 PM Thread Starter
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Quote:
Originally Posted by sargar View Post
The two problems may not be related. I'm going to suggest that you attack them seperately until it is determined that they are related.

On the injector code, is it a dead miss or just a little rough? If it has been a while since you changed the oil I'd say to do an oil change with T6 and hit it with some RevX. Yeah, I know, $150 oil change. It would still be a good idea to have a cylinder contribution test done.

On the WIF light. Pull the cover off of the HFCM and clean the crud out of it. You will be amazed at how much funk is in there. If the sensor looks rotten, get a new one.

Post up results.

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I prefer to use Mobil1 5w-40 on my oil changes. Any special reason you mentioned T6 or you were just implying I should use a good synthetic. It has been a little while since I changed the oil so i was going to change it this weekend anyway, that'll work out well. You're saying add Rev-Ex to the oil, I thought it was a fuel additive? I wouldn't say it's a miss or rough. The truck runs fine, I was just letting it cool down one time and I thought I heard something in the idle. Nobody else with me heard it, but I know my truck, so it prompted me to check the codes and that's when I found it. As for the WIF light, I did a bunch of reading on here about it yesterday and am planning to pull the cover this weekend as well. I'll let you know what turns up. I cleared all the codes about 50 miles ago, waiting to see if it comes back.



2004 F-250 Crew Cab FX4
PMM coolant filter, PMM EGR delete, SCT X3 w/ MPD, Atlas 80 FICM tune, 4" TB exhaust, MTW Stage 1, quad gauge pillar pod w/ Glowshift Maxtow gauges, Edge CTS

Quote:
Originally Posted by F450Harley View Post
I really believe these trucks have adaptive behaviors to your driving habits. Your truck reflects you.
If you think your truck might let you down…………..it WILL.

Last edited by 6literdiesel; 08-08-2013 at 06:53 PM.
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post #9 of 18 Old 08-08-2013, 09:23 PM
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I was just suggesting a good synthetic and you can't go wrong with mobil. RevX does have a fuel additive but I think they are better known for their oil additive. Honestly, if you've been running mobil1, I'd skip the RevX for now.

Sounds like you got this on the run, let me know what you find.

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post #10 of 18 Old 08-16-2013, 06:15 PM Thread Starter
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Update**

I changed my oil that weekend, but I never did pull the cover off the HFCM. I ran the tank with Diesel Kleen in it and on the next tank I poured a half a quart of two stroke and a half a bottle of Diesel Kleen in. Every tank since then I've poured half a quart of two stroke in. All in all I've put a little over 1,500 miles on the truck since I cleared the codes. The code hasn't come back nor has the WIF light come on. I have heard it stumble at idle once since then, but just for a second and no codes.



2004 F-250 Crew Cab FX4
PMM coolant filter, PMM EGR delete, SCT X3 w/ MPD, Atlas 80 FICM tune, 4" TB exhaust, MTW Stage 1, quad gauge pillar pod w/ Glowshift Maxtow gauges, Edge CTS

Quote:
Originally Posted by F450Harley View Post
I really believe these trucks have adaptive behaviors to your driving habits. Your truck reflects you.
If you think your truck might let you down…………..it WILL.
6literdiesel is offline  
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