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  1. T

    Intermittent dash electronic issues

    Hey all, I purchased EFI live and shortly after using it (with successful flash) the OBD port starts intermittently losing power. The Flashscan will power down and restart. It’s not the cord to the unit. Following that my engine hours reset to 0, and following that my radio reset to default. The...
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    Normal FPR duty cycle?

    Ah ok, thank you for the heads up. It seems like whatever is driving the ECM to control the pressures is part of the problem. I checked my balance rates again today, and they are not too great. Checked compression on #5 and #6 again with a new compression tester, and tested 390 and 400...
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    Normal FPR duty cycle?

    Thank you for this!! Very helpful. I believe the sensor in the junction block may be my problem. Any idea as to what sensor that is?
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    Normal FPR duty cycle?

    Thank you for that! I appreciate the information. Also, I ran a diag procedure off of the P0089 pdf you posted and my rail pressure sensor reads 180 MPa unplugged, so according to the diag step 7 I need to replace the rail sensor? I did skip step 6 because i didn’t have a computer handy at the...
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    Normal FPR duty cycle?

    I could be wrong, but I believe the FPR regulates fuel via adding voltage to restrict fuel, and that is why it goes to max pressure when the power is disconnected. I have this CP3, about two years old...
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    Normal FPR duty cycle?

    I was doing some data logging the other day and I noticed a few things. My desired pedal position and actual match pretty closely, and my fuel pressure desired and actual are within 2MPa of each other, but my FPR duty cycle is always 20-40% throughout the RPM range. Is this normal? I’ve also...
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    Fuel injector knock

    @2004LB7 would you happen to have these diagrams for the 04-05? Thank you again
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    Good compression - Bad balance rate

    Here’s a report so far: Checked the Injector 1, 4, 5, and 6 control circuits and am getting 12.1V to the FICM key on engine off. Also tested resistance and am seeing 0.00.
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    Good compression - Bad balance rate

    Does anyone know of a way to get a part number for the pins themselves for c107/c108 and its counter parts on the other harness?
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    Good compression - Bad balance rate

    As far as I understand the cylinder power output is low, and the ECM is trying to add fuel to that cylinder to compensate for the imbalance in the engine cycle. OR I suppose other cylinders could be causing the ECM to try to compensate for them. Edit: also, the balance rate is subject to the...
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    Good compression - Bad balance rate

    I hope you’re right. I had issues getting it plugged back in. The weatherpak insulator seemed to slide back and the connector wouldn’t connect easily. Seems like the inside of the connector had some sort of residue in it. I cleaned with QD. I guess this might coincide with the suspected FICM...
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    Good compression - Bad balance rate

    I have a cylinder in my truck I am trying to diagnose. Cylinder #5 a balance rate of +4.5. I ran a compression test and it tests 340# cold, 380# hot. Swapped out for two different injectors and the numbers are consistent. Any ideas on this?
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    EFILive code $0101: No data received

    Very interesting. I was able to get it to flash, it seems that BBX seems to be ideal for my truck. Thank you all for your help.
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    EFILive code $0101: No data received

    Well I have seen to figure out the issue. It seems like I cannot use pass through but the Flashscan can connect to my truck via BBX. Also, it seems the Flashscan does not like the Sony radio in my truck. Also, is normal for the truck ECU to not start after reading the ECM? I read my ECM, made a...
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    EFILive code $0101: No data received

    Yeah I was afraid that might be a factor, because the Bullydog fully recognizes the ECM when using it as a gauge (no download). Do you know where I can get a stock flash? I have: 2004.5 YE5 (Cali) WT model/Base ECSB Auto 5 speed 4x4 AC Cruise Control
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    EFILive code $0101: No data received

    Yes, truck is stock with download removed. I pulled and replaced the usual fuses, which I forget some of them… Radio, IGN1, IGN BAT, +1 more…? I’ll check that purple wire, but really all I have is a super basic Sony radio. I tried with the radio head unit disconnected and it still failed. For...
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    EFILive code $0101: No data received

    Good evening! I just got my Flashscan v3 in the mail. I installed the newest software and checked the version of the V3 and it's all up to date. When I try to read my LLY ECM I get this message: Executing: C:\Program Files (x86)\EFILive\V8\Config\E60_R.obj Virtual Machine Started Script Loaded...
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    Fuel injector knock

    I did find someone I know with a LB7 FICM module. Is it feasible to work with a LLY? I’ve seen varying conclusions of yes and no. I do know it will try to drive the injectors with a lot of voltage, which concerns me.
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    Fuel injector knock

    Thank you again!!
  20. T

    Fuel injector knock

    Very helpful. It looks like I need a back probe kit. Do you happen to have a pin out for the ECM feeding to the FICM? Looks like I need to test for 5v on control and 48v coming out of the unit? Probably should also test for resistance across the harness. Hopefully I am headed the right way in...
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