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Hesitation and high KR Cold weather issues?

Started by ShoBoat, April 05, 2015, 12:19:47 PM

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SHOnUup

#165
April 25, 2015, 08:33:39 AM
Manu, are you thinking along the lines of what happened with BigMac?

Rich

2011 Sterling Gray Metallic SHO non PP,
12.4211 @ 110.28 Livernois 3bar tune & CAI,
Added since...PPE catless Dpipes, Megan coilovers, Powergrid adjustable end links, and EBC slotted rotors and red stuff pads.
Tommy Designs grille with carbon fiber hydrographics, fender badges and fog bezels hydrodipped also, tinted windows, head & taillights, debadged trunk with all chrome plasti-dipped, black calipers, obdlink mx scantool running torque pro on 7" tablet.

SHOdded

#166
April 25, 2015, 08:47:34 AM
Exactly right, Rich, though I don't have a way to justify it yet.  If FRP is being commanded, why is it not being delivered?  Is it a logic problem, a voltage problem, or a mechanical problem?  Puzzling.
2007 Ford Edge SEL, Powerstop F/R Brake Kit, TXT LED 6000K Lo & Hi Beams, W16W LED Reverse Bulbs, 3BSpec 2.5w Map Lights, 5W Cree rear dome lights, 5W Cree cargo light, DTBL LED Taillights

If tuned:  Take note of the strategy code as you return to stock (including 3 bar MAP to 2 bar MAP) -> take car in & get it serviced -> check strategy code when you get car back -> have tuner update your tune if the strategy code has changed -> reload tune -> ENJOY!

ShoBoat

#167
April 25, 2015, 08:49:01 AM

Quote from: SHOdded on April 25, 2015, 08:47:34 AM
Exactly right, Rich, though I don't have a way to justify it yet.  If FRP is being commanded, why is it not being delivered?  Is it as logic problem, a voltage problem, or a mechanical problem?  Puzzling.

I guess I can try against stock again and go from there. I was assuming it was tune + 94 winter gas.


Sent from my iPhone using Tapatalk
2012 Pearl White CTS-V Stock
2016 Fusion Titanium 2.0 EB Stock
2013 SHO Black on Black (Gone) PP, Unleashed Custom Tune, 170 TStat, SP534 Plugs, 3 Bar, Airaid Intake, PPE catted downpipes, Corsa Cat-back, H&R Springs. Focal 165KR Front Stage,2 JL W6 10 with Focal 800.1. 12.62 @ 110 mph.

ShoBoat

#168
April 25, 2015, 08:54:40 AM

Quote from: SHOdded on April 25, 2015, 08:47:34 AM
Exactly right, Rich, though I don't have a way to justify it yet.  If FRP is being commanded, why is it not being delivered?  Is it a logic problem, a voltage problem, or a mechanical problem?  Puzzling.

What is the known 55 mph issue?


Sent from my iPhone using Tapatalk
2012 Pearl White CTS-V Stock
2016 Fusion Titanium 2.0 EB Stock
2013 SHO Black on Black (Gone) PP, Unleashed Custom Tune, 170 TStat, SP534 Plugs, 3 Bar, Airaid Intake, PPE catted downpipes, Corsa Cat-back, H&R Springs. Focal 165KR Front Stage,2 JL W6 10 with Focal 800.1. 12.62 @ 110 mph.

SHOdded

#169
April 25, 2015, 09:03:09 AM
Whole series on GDI fuel system/componentry:
http://youtu.be/XK7l37LLda8
2007 Ford Edge SEL, Powerstop F/R Brake Kit, TXT LED 6000K Lo & Hi Beams, W16W LED Reverse Bulbs, 3BSpec 2.5w Map Lights, 5W Cree rear dome lights, 5W Cree cargo light, DTBL LED Taillights

If tuned:  Take note of the strategy code as you return to stock (including 3 bar MAP to 2 bar MAP) -> take car in & get it serviced -> check strategy code when you get car back -> have tuner update your tune if the strategy code has changed -> reload tune -> ENJOY!

SHOnUup

#170
April 25, 2015, 09:03:12 AM
Think Manu was referencing your post about it being at 55 mph.

BigMac had a fuel delivery issue stemming from the tank pump that would sporadically pop up.

Rich

2011 Sterling Gray Metallic SHO non PP,
12.4211 @ 110.28 Livernois 3bar tune & CAI,
Added since...PPE catless Dpipes, Megan coilovers, Powergrid adjustable end links, and EBC slotted rotors and red stuff pads.
Tommy Designs grille with carbon fiber hydrographics, fender badges and fog bezels hydrodipped also, tinted windows, head & taillights, debadged trunk with all chrome plasti-dipped, black calipers, obdlink mx scantool running torque pro on 7" tablet.

SHOdded

#171
April 25, 2015, 09:05:38 AM
Quote from: ShoBoat on April 25, 2015, 08:54:40 AM

What is the known 55 mph issue?


Sent from my iPhone using Tapatalk
No known issue, I was referring to the conditions under which you are seeing the problems in your latest test :)
2007 Ford Edge SEL, Powerstop F/R Brake Kit, TXT LED 6000K Lo & Hi Beams, W16W LED Reverse Bulbs, 3BSpec 2.5w Map Lights, 5W Cree rear dome lights, 5W Cree cargo light, DTBL LED Taillights

If tuned:  Take note of the strategy code as you return to stock (including 3 bar MAP to 2 bar MAP) -> take car in & get it serviced -> check strategy code when you get car back -> have tuner update your tune if the strategy code has changed -> reload tune -> ENJOY!

ShoBoat

#172
April 25, 2015, 09:17:02 AM
Ok a quick (chappy lol) chart of the HP VS the LP fuel delivery on the failed run. To me the LP side looks ok, it drops slightly to 98 PSI from the commanded 102 PSI and on the successful (no hesitation roll from 30 mph) the same LPF is pretty solid dropping slightly to 98 also. 
I going to try a stock run to see if the FRP drops from a 55mph roll.
2012 Pearl White CTS-V Stock
2016 Fusion Titanium 2.0 EB Stock
2013 SHO Black on Black (Gone) PP, Unleashed Custom Tune, 170 TStat, SP534 Plugs, 3 Bar, Airaid Intake, PPE catted downpipes, Corsa Cat-back, H&R Springs. Focal 165KR Front Stage,2 JL W6 10 with Focal 800.1. 12.62 @ 110 mph.

BiGMaC

#173
April 25, 2015, 09:19:07 AM Last Edit: April 25, 2015, 09:21:11 AM by BiGMaC
Quote from: SHOnUup on April 25, 2015, 09:03:12 AM
Think Manu was referencing your post about it being at 55 mph.

BigMac had a fuel delivery issue stemming from the tank pump that would sporadically pop up.

Rich
Yea... Had a comm code about fuel delivery module communication with PCM and DTC with CEL for low fuel rail pressure... On the way to the dealer She died.... The low pressure fuel pump had failed and replacement didn't fix it... They died at a stoplight in the test drive... So the fuel control module was replaced and no problems since.  BTW... The car actually runs better than ever... I believe function on these components can decline significantly before setting a DTC.  Mine happened at initial startup and for a while the car went into  limp mode. The problem I had was never a high speed (above 30 mph) thing.
So consider the FCM as well as the fuel pumps... And communication.

•2013 Taurus SHO nonPP - All Ford factory options, 3BAR MAP, LMS v8 tune (mods for 3BAR, DPs, and T-stat), Paint & plastic correction, CQuart finest all exterior surfaces, limo black window tint,VLED Triton switchbacks, Daytime BrightLites switchback DRLs, full interior and exterior LED conversion, Lamin-X charcoal blackout tail lights and reflectors, PPE catted and coated downpipes, EBPP coated hotpipes with BoVs VTA, MDesign CAI
•2013 F250 CC Lariat 6.7EB Diesel -stock

ecoboostsho

#174
April 25, 2015, 09:21:01 AM
Curious if your throttle plate is closing when you lose fuel pressure? I believe you can log it and it would be interesting to see what it is doing while you have it "floored".
2013 White SHO w/PP, Gearhead Tuned, 3 Bar, 160T, Plugs...Mess with the Bull and you'll get the Horn. :)
Previous 2011 Tuxedo Black SHO w/PP - 12.89 1/4 Mile

ShoBoat

#175
April 25, 2015, 09:25:43 AM

Quote from: ecoboostsho on April 25, 2015, 09:21:01 AM
Curious if your throttle plate is closing when you lose fuel pressure? I believe you can log it and it would be interesting to see what it is doing while you have it "floored".
sometimes yes it closes briefly then it's wide open. Others it stays wide open during the issue. 


Sent from my iPhone using Tapatalk
2012 Pearl White CTS-V Stock
2016 Fusion Titanium 2.0 EB Stock
2013 SHO Black on Black (Gone) PP, Unleashed Custom Tune, 170 TStat, SP534 Plugs, 3 Bar, Airaid Intake, PPE catted downpipes, Corsa Cat-back, H&R Springs. Focal 165KR Front Stage,2 JL W6 10 with Focal 800.1. 12.62 @ 110 mph.

ZSHO

#176
April 25, 2015, 10:19:19 AM
Did you ever check for any exhaust leaks,an exhaust leak on the left bank will cause lean and rich conditions beyond what the PCM can control with fueling,the exhaust leak will make the engine run lean above idle speed and run rich at an idle on that bank.Z


2013 Performance Package SHO| Livernois Custom Methanol Tune|3-Bar Map|Reische-170-Stat|Full Race Tial-10psi BOV in Black|PPE-Gloss Black Hot Pipes|EPP Dual Intake in Gloss Black|PPE Catted DP|Corsa Sport Cat Back Exhaust|H&R Sport-Springs|CFM Performance Billet Valve Cover Breather In Gloss Black|Llumar 20%Ceramic window Tint|MSD Ignition Coils in Black|Extreme Roof Spoiler|Redline Fluids all around|Gearhead Intercooler|First-SHO With Direct Port Alky-VP-M1-100%-Methanol Injection|LMS-Custom-Dyno-Tuned @ 415whp-465wtq| Best Trap Speed of 115.54 mph|

ShoBoat

#177
April 25, 2015, 10:30:57 AM
Quote from: ZSHO on April 25, 2015, 10:19:19 AM
Did you ever check for any exhaust leaks,an exhaust leak on the left bank will cause lean and rich conditions beyond what the PCM can control with fueling,the exhaust leak will make the engine run lean above idle speed and run rich at an idle on that bank.Z

Yes I did, actually thats how I found out that the PTU was leaking. It's fine at idle. Bank 1 and 2 are perfectly in sync. I just came back from a data run on the stock tune and no issues at all. I will post the logs in a few min.
2012 Pearl White CTS-V Stock
2016 Fusion Titanium 2.0 EB Stock
2013 SHO Black on Black (Gone) PP, Unleashed Custom Tune, 170 TStat, SP534 Plugs, 3 Bar, Airaid Intake, PPE catted downpipes, Corsa Cat-back, H&R Springs. Focal 165KR Front Stage,2 JL W6 10 with Focal 800.1. 12.62 @ 110 mph.

FoMoCoSHO

#178
April 25, 2015, 10:59:57 AM Last Edit: April 25, 2015, 11:01:28 AM by FoMoCoSHO
Quote from: ShoBoat on April 25, 2015, 08:24:17 AM

Quote from: FoMoCoSHO on April 25, 2015, 02:06:37 AM
Red commanded, blue actual?
bank 1 and 2


Sent from my iPhone using Tapatalk
Is it commanding 10.4 AFR?

I wish shipping to Canada wasn't stupid, I won't need my x4 for a few months

ShoBoat

#179
April 25, 2015, 11:03:39 AM Last Edit: April 25, 2015, 11:07:49 AM by ShoBoat
Ok this time we have the actual screen shots from Forscan, hopefully a bit easier to read. The interesting thing to look at is the throttle plate position in the stock and tuned runs. Then the 30 mph WOT run. I am a little confused on why from the 50 mph roll it falls flat on it's face. To me this looks like a tuning issue. Any thoughts? Also the 2nd 50MPH run it recovered??

FoMo Sorry I did not have the commanded AFR on the last set of runs. But when I did in the past it was really close to the commanded value.
2012 Pearl White CTS-V Stock
2016 Fusion Titanium 2.0 EB Stock
2013 SHO Black on Black (Gone) PP, Unleashed Custom Tune, 170 TStat, SP534 Plugs, 3 Bar, Airaid Intake, PPE catted downpipes, Corsa Cat-back, H&R Springs. Focal 165KR Front Stage,2 JL W6 10 with Focal 800.1. 12.62 @ 110 mph.
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