P0261 Code - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 7 (permalink) Old 08-04-2014, 10:37 PM Thread Starter
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P0261 Code

Well my truck left me stranded for a few hours the other day would not start after shutting it off to fuel up. Long story short i sent my FICM out to ficmfixer.com and had it rebuilt and a 50ho viper tune installed. Got it back today and it fired right up. let it run for a bit shut it off it fired right up again.

So i headed into town and 15min later shut it off, not it wont start again when its hot. I let it cool down fired it up and drove it home. On the waycheck engine light shows its ugly face and code P0261 is what my SCT scanner comes up with.

I have had some peopel tell me its a HPOP issue and thats why it wont start when hot?

any help would be great. about to trade this thing for a cummings and be done with it!!!
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post #2 of 7 (permalink) Old 08-04-2014, 10:40 PM Thread Starter
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Re: P0261 Code

I should add I Get white smoke on a cold start also. I have lost no coolant tho. Truck has EGR Delete, studed SCT tuner and banks exhaust with Cattlist still on.

any info would be great guys.
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post #3 of 7 (permalink) Old 08-05-2014, 11:50 AM Thread Starter
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Re: P0261 Code

bump any ideas??? mabye this should be moved to the TECH area?
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post #4 of 7 (permalink) Old 08-05-2014, 01:08 PM
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Re: P0261 Code

What year truck? That is a contribution balance fault code for cylinder 1. It could be a HPO leak at the upper injector seal especially if its a early model truck. It also could be a fault code from stiction.

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post #5 of 7 (permalink) Old 08-05-2014, 06:44 PM Thread Starter
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Re: P0261 Code

2006
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post #6 of 7 (permalink) Old 08-05-2014, 07:05 PM
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Re: P0261 Code

You need to air test the system for leaks. Have the stand pipes, dummy plugs, and STC fitting been updated?

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post #7 of 7 (permalink) Old 08-05-2014, 08:56 PM Thread Starter
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Re: P0261 Code

yes they were updated before i bought the truck as well as hpop up grade according to the dealer i bought it from. whats the best way to test for leaks? is this somthing any back yard mechanic can test or do i need an 8million dollar tool
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