Injector help - Ford Powerstroke Diesel Forum

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post #1 of 25 Old 12-09-2010, 03:16 PM Thread Starter
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Injector help

Ok guys ive got an 05 f250... Had all 8 injectors replaced due to the dealership telling me i had 4 bad. I didnt let the dealer do it bc they wanted 4 grand to do it. Had another shop do it and 3 weeks later i have went through 2 injectors and now have another bad. The thing is that there is only a problem with it skipping or missing when it is cold. Once warmed up it seems to be just fine and shows no codes. I need some help. The place im getting them from wont send me another injector bc they want to do an analysis on the ones that have gone bad to determine if its them or me .Have i just gotten a bad batch of injectors or is my truck eating them?The truck has a S&B intake, PMTdiesel exhaust, Bullydog triple dog programer,88k on the clock.

05' F250 Lariat FX4
2.5" Rancho Lift Springs
Nitto Trail Grapplers 295/65 R20
Bully Dog Tuner
PMTDiesel Turbo Back Exhaust
ZooDad
Recon Smoked Mirror lights/ Cab Lights
S&B Intake
Sinister EGR Delete
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post #2 of 25 Old 12-09-2010, 03:37 PM
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were they new/reman injectors? if so are they under warranty? id have you ficm checked as well.

studs,egr delete(sinister),dieselsite coolant filter, nuc oil bypass, dj's fuel + regulated fuel return, sct by eric, 4in silverline no cat, isspro gauges, cat elc coolant, hids, lots of other odds and ends......
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post #3 of 25 Old 12-09-2010, 03:44 PM Thread Starter
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they are remans... they are under warranty and thats why the place that built them wants to look at them before they send me another one.they've already sent me 2. FICM checks fine. 48V on on start and 48.5V running.

05' F250 Lariat FX4
2.5" Rancho Lift Springs
Nitto Trail Grapplers 295/65 R20
Bully Dog Tuner
PMTDiesel Turbo Back Exhaust
ZooDad
Recon Smoked Mirror lights/ Cab Lights
S&B Intake
Sinister EGR Delete
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post #4 of 25 Old 12-09-2010, 03:46 PM
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fuel pressure maybe?

studs,egr delete(sinister),dieselsite coolant filter, nuc oil bypass, dj's fuel + regulated fuel return, sct by eric, 4in silverline no cat, isspro gauges, cat elc coolant, hids, lots of other odds and ends......
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post #5 of 25 Old 12-09-2010, 03:47 PM Thread Starter
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Had the regulator rebuilt with the upgraded spring at the time of the first injector install

05' F250 Lariat FX4
2.5" Rancho Lift Springs
Nitto Trail Grapplers 295/65 R20
Bully Dog Tuner
PMTDiesel Turbo Back Exhaust
ZooDad
Recon Smoked Mirror lights/ Cab Lights
S&B Intake
Sinister EGR Delete
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post #6 of 25 Old 12-09-2010, 04:10 PM
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hmmmmm, do you get any codes?

studs,egr delete(sinister),dieselsite coolant filter, nuc oil bypass, dj's fuel + regulated fuel return, sct by eric, 4in silverline no cat, isspro gauges, cat elc coolant, hids, lots of other odds and ends......
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post #7 of 25 Old 12-09-2010, 04:19 PM Thread Starter
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the only time i get any codes other than the egr is when you first crank the truck. It started with a #5 cylinder contribution fault, replaced injector. 2 days later #3 cylinder contribution fault, replaced injector. Now #7 contribution fault. Once it warms up everything checks fine.

05' F250 Lariat FX4
2.5" Rancho Lift Springs
Nitto Trail Grapplers 295/65 R20
Bully Dog Tuner
PMTDiesel Turbo Back Exhaust
ZooDad
Recon Smoked Mirror lights/ Cab Lights
S&B Intake
Sinister EGR Delete
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post #8 of 25 Old 12-09-2010, 04:29 PM
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hopefully a tech will see this and help out.

studs,egr delete(sinister),dieselsite coolant filter, nuc oil bypass, dj's fuel + regulated fuel return, sct by eric, 4in silverline no cat, isspro gauges, cat elc coolant, hids, lots of other odds and ends......
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post #9 of 25 Old 12-09-2010, 04:30 PM Thread Starter
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Yea hopefully. I appreciate the help though

05' F250 Lariat FX4
2.5" Rancho Lift Springs
Nitto Trail Grapplers 295/65 R20
Bully Dog Tuner
PMTDiesel Turbo Back Exhaust
ZooDad
Recon Smoked Mirror lights/ Cab Lights
S&B Intake
Sinister EGR Delete
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post #10 of 25 Old 12-09-2010, 04:32 PM
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who did you buy your injectors from and how much were they?
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