Injector #1 Misfire, replaced but still throws code - Ford Powerstroke Diesel Forum
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post #1 of 20 Old 02-06-2013, 05:59 PM Thread Starter
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Injector #1 Misfire, replaced but still throws code

Threw two codes today (injector #1 misfire and cylinder #1 contribution/balance). Replaced injector #1. Still throws codes. Thinking about replacing the injector wiring harness, is there a way to test it if it's bad?
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post #2 of 20 Old 02-09-2013, 06:28 AM
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If you had a wiring issue there would be a code for that, sounds like a mechanical issue to me.
Need to check the flow control valve in the common rail. If the valve malfunctions there will be a miss and imballance code.
One method of diagnosis would be to verify flow through the rail.
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post #3 of 20 Old 02-19-2013, 06:56 AM
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Injector #1 Misfire, replaced but still throws code

Subscribed. Cylinder 3 contribution/balance code was popping every once and awhile. Replaced injector, no codes for 2 months. Now I'm getting the same cyl. 3 contr./balance here and there again.... WTH:/


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post #4 of 20 Old 02-19-2013, 07:23 AM
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Any noises? Could have a bent lifter

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post #5 of 20 Old 02-20-2013, 09:34 PM Thread Starter
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Replaced wiring harness. No dice.

Been only a month since replacing both fuel filters and oil change. About 117xxx on the clock, just fyi

Filled up the fuel bowl with sea foam to try to clean out system. Ran great for a week but today both codes came back and obvious misfire.

Not sure how to proceed.
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post #6 of 20 Old 02-21-2013, 06:27 AM
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If you are having a misfire i would guess an injector is hanging open.

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post #7 of 20 Old 02-21-2013, 07:05 AM Thread Starter
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Quote:
Originally Posted by 04hdfatboy View Post
If you are having a misfire i would guess an injector is hanging open.

How would I go about fixing that? I already replaced the harness and the injector, is there anything else that would cause that?
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post #8 of 20 Old 02-21-2013, 08:20 AM
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Quote:
Originally Posted by interwestmetals View Post
How would I go about fixing that? I already replaced the harness and the injector, is there anything else that would cause that?
Damn bud i wish i knew. Is it throwing a code so you know which cylinder is misfiring?

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #9 of 20 Old 02-21-2013, 08:49 AM Thread Starter
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I'm thinking it might be EGR cooler. Blowing some white smoke and also I just read if the cooler blows it could simulate overfueling from coolant combustion.

Just some background. In the past, blown radiator, stuck egr valve, front timing chain cover cavitated and leaked coolant, and exhaust manifold cracked. This truck is driving me crazy.
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post #10 of 20 Old 02-21-2013, 08:57 AM
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Yep it very well could be that. It could be leaking coolant into the cylinder. Time to delete

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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