CEL P1235 After turbo kit? - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

86_ZN6 · 05-24-2013, 03:10 AM

Quote:

Originally Posted by vubaru

Stalling while in operation is not fun, but it's interesting that resetting the ECU remedies the issue temporarily. Maybe it's tune related?

But some early stock cars reported the issue: http://www.ft86club.com/forums/showt...t=12428&page=2 The prospect of an OEM issue could exist.

yeah it's a possibility. i just replied to that thread asking how it was fixed. it seems the OP never posted the final solution to his car.

i will ask pete to retune it once the new DW pump is installed

King Tut · 05-25-2013, 01:18 AM

Quote:

Originally Posted by 86_ZN6

not sure which pump really is being referred by the CEL. i will try to replace in tank FP and see if it can remedy the issue.

what FP are you using by the way?

I have the one that Full Blown supplied with their turbo kit.

86_ZN6 · 05-31-2013, 09:43 PM

Updates:

Port injectior pump was replaced and it seems to run better. Still getting a fuel cut though.

So i think it is now a bad direct injector pump

Also i just found out that subaru has updated the TSB and has a new version of the HPFP as of this month.

I may have to buy the new pump since i doubt if subaru or toyota will cover it under warranty

charged86 · 06-02-2013, 10:35 AM

Quote:

Originally Posted by 86_ZN6

Updates:

Port injectior pump was replaced and it seems to run better. Still getting a fuel cut though.

So i think it is now a bad direct injector pump

Also i just found out that subaru has updated the TSB and has a new version of the HPFP as of this month.

I may have to buy the new pump since i doubt if subaru or toyota will cover it under warranty

Let us know what happens. Sorry your car is being fussy

sw20kosh · 06-02-2013, 03:07 PM

How could these pumps just all of a sudden malfunction. Considering it happened right after a turbo install I would think it is something to do with the tune. The mechanical parts haven't been subject to much stress yet right? Even then they are designed to take that stress.

86_ZN6 · 06-02-2013, 03:28 PM

Quote:

Originally Posted by sw20kosh

How could these pumps just all of a sudden malfunction. Considering it happened right after a turbo install I would think it is something to do with the tune. The mechanical parts haven't been subject to much stress yet right? Even then they are designed to take that stress.

looks like an oem issue/defect.

just found new info that it might be a bad injector driver EDU

86_ZN6 · 06-11-2013, 01:54 AM

car is finally running once again.

it was not the pump, or the edu

it was mainly a grounding issue on the EDU
everything is now ok and fully boosting!

sw20kosh · 06-11-2013, 04:54 AM

Quote:

Originally Posted by 86_ZN6

car is finally running once again.

it was not the pump, or the edu

it was mainly a grounding issue on the EDU
everything is now ok and fully boosting!

Sorry for my ignorance but what is an EDU?

I am glad your issues are solved!

86_ZN6 · 06-11-2013, 05:03 AM

Quote:

Originally Posted by sw20kosh

Sorry for my ignorance but what is an EDU?

I am glad your issues are solved!

EDU is the injector driver

tjsmooth25 · 08-12-2014, 04:23 PM

So im having the same issue, dealership checked the fuel pump injectors, nothing was wrong. Just had lj from fullblown send me oem Rom so I the dealership can do.a reflash, hopefully that works, no one really.knows whats causing it because I have seen many different solutions to the problem

FR-Shred · 05-02-2016, 12:34 AM

My cars doing the same thing.. But once I took my turbo kit off. I left my danso 265. Now I'm getting this cel code and it doesn't even want to idle.

06-11-2013, 01:54 AM	#21
86_ZN6 Senior Member Join Date: Apr 2012 Drives: 86 ZN6 Location: SF Bay Area, NorCal Posts: 4,682 Thanks: 1,317 Thanked 2,072 Times in 1,222 Posts Mentioned: 126 Post(s) Tagged: 1 Thread(s)	update car is finally running once again. it was not the pump, or the edu it was mainly a grounding issue on the EDU everything is now ok and fully boosting!

05-02-2016, 12:34 AM	#25
FR-Shred Senior Member Join Date: Apr 2015 Drives: FR-S Location: Chicago, IL Posts: 282 Thanks: 56 Thanked 68 Times in 43 Posts Mentioned: 2 Post(s) Tagged: 1 Thread(s)	My cars doing the same thing.. But once I took my turbo kit off. I left my danso 265. Now I'm getting this cel code and it doesn't even want to idle. __________________ FR-Shred's Progression

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05-31-2013, 09:43 PM	#17
86_ZN6 Senior Member Join Date: Apr 2012 Drives: 86 ZN6 Location: SF Bay Area, NorCal Posts: 4,682 Thanks: 1,317 Thanked 2,072 Times in 1,222 Posts Mentioned: 126 Post(s) Tagged: 1 Thread(s)	Updates: Port injectior pump was replaced and it seems to run better. Still getting a fuel cut though. So i think it is now a bad direct injector pump Also i just found out that subaru has updated the TSB and has a new version of the HPFP as of this month. I may have to buy the new pump since i doubt if subaru or toyota will cover it under warranty

06-02-2013, 03:07 PM	#19
sw20kosh Senior Member Join Date: Jul 2012 Drives: 2013 Black FR-S Location: SF Posts: 3,030 Thanks: 881 Thanked 2,014 Times in 990 Posts Mentioned: 153 Post(s) Tagged: 1 Thread(s)	How could these pumps just all of a sudden malfunction. Considering it happened right after a turbo install I would think it is something to do with the tune. The mechanical parts haven't been subject to much stress yet right? Even then they are designed to take that stress.

08-12-2014, 04:23 PM	#24
tjsmooth25 Member Join Date: Jul 2013 Drives: red/black Location: ft campbell KY Posts: 17 Thanks: 2 Thanked 1 Time in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	So im having the same issue, dealership checked the fuel pump injectors, nothing was wrong. Just had lj from fullblown send me oem Rom so I the dealership can do.a reflash, hopefully that works, no one really.knows whats causing it because I have seen many different solutions to the problem

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