Couple of problems after single shot install - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 9 (permalink) Old 03-25-2014, 03:44 AM Thread Starter
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Couple of problems after single shot install

Four weeks ago I installed FF single shot 160cc injectors along with a myriad of other repairs to my trucks. Since that time I am now getting a P1316 which I never had with the stock injectors. I pulled the valve covers and went through all of the connections including ohm testing everything and its all good. The SES light flashes sporadically when I am driving and never stays on. I also don't really notice any engine issues when it flashes so I am stumped as to what cause may be.

Also, when I had my chip re-burned it wouldn't make good contact with my PCM anymore. I re-tinned the pins and thought all appeared to be well but 50% of the time when I go to start my truck I will get a properly operating WTS light but my fuel pump and glow plugs won't turn on. If I cycle the key a few times the chip with then "turn on". I notice once the truck is running that it will sporadically stumble like the chip is turning off and on. I am stumped by this one too. All in all it's been pretty disappointing as I got rid of poorly running injectors only to have my truck run worse.

Any help would be greatly appreciated!
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post #2 of 9 (permalink) Old 03-28-2014, 02:58 PM Thread Starter
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Re: Couple of problems after single shot install

Bump.....anyone?
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post #3 of 9 (permalink) Old 03-28-2014, 05:16 PM
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Re: Couple of problems after single shot install

Who tuned the chip? Maybe contact them...

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post #4 of 9 (permalink) Old 03-28-2014, 05:35 PM
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Re: Couple of problems after single shot install

P1316 is usually the UVCH coming loose but I assume you checked that. Often, especially when doing injectors, the plug outside the valve cover works loose. Double check both connections. Either of them making intermittent contact can cause your P1316

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post #5 of 9 (permalink) Old 03-28-2014, 07:17 PM Thread Starter
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Re: Couple of problems after single shot install

Peter, yes, I have new harness and connectors. Tore everything apart this past weekend just to double check and it was all good. Never had a single SES light before the injectors. Now it flashes on/off at random whether the chip is in or not.

TW is revising the tuning for me but I still can't figure out how the chip can work one cycle of the ignition and not the next. And when driving I can feel it turn off/on but the truck doesn't stall. Very stumped by both problems, starting to regret going with single shots.
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post #6 of 9 (permalink) Old 03-28-2014, 07:48 PM
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Re: Couple of problems after single shot install

see this thread

Wits End with Random SES Light - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #7 of 9 (permalink) Old 03-28-2014, 10:08 PM Thread Starter
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Re: Couple of problems after single shot install

I used all OEM harness/connectors so I don't believe that to be the problem. It would appear that I may have injector issues. How do you isolate which injector it is if a buzz test passes and there are no other symptoms than the P1316?
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post #8 of 9 (permalink) Old 03-29-2014, 02:44 AM
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Re: Couple of problems after single shot install

A breakout box.
a homemade box that plugs in to the harness and has 8 switches...
you simply turn them on and off as needed.


there was a guy that made them or rented it...no idea who. It was .
might try searching injector breakout box.
The thread had pics and directions.

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post #9 of 9 (permalink) Old 03-29-2014, 03:51 PM Thread Starter
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Re: Couple of problems after single shot install

Quote:
Originally Posted by southmike View Post
A breakout box.
a homemade box that plugs in to the harness and has 8 switches...
you simply turn them on and off as needed.


there was a guy that made them or rented it...no idea who. It was .
might try searching injector breakout box.
The thread had pics and directions.
Thanks, I looked into that and it is certainly a great idea. Unfortunately I just sank $3,000 into my truck and don't have a dime more to spend. I was really hoping the last round of cash was going to be the end of my problems........
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