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Type: Posts; User: 5FDP

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    Post the tune file you are using and any logs.

    Post the tune file you are using and any logs.
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    Safe to assume you are using a wideband to tune...

    Safe to assume you are using a wideband to tune with?

    Data logs are more helpful here sometimes than the tune files you have been trying.

    The one tune has the dynamic airflow switch over wrong...
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    If it's a stock file you want, the easiest and...

    If it's a stock file you want, the easiest and best would be to flash it with a GM tool to the operating system you want and then license it with HP Tuners. That would only cost two credits to do...
  4. GM decided to make the L92 that way to save...

    GM decided to make the L92 that way to save money, if every engine is the same except the valley cover it saves on cost. Then it's just a programming thing to have it never come on.

    Yes, that...
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    What grade of fuel are you using? 87 octane is...

    What grade of fuel are you using? 87 octane is likely to show knock.

    Also make your PE come in way faster so fueling is there right away when you floor it.

    Raise the MAP kpa to 80, lower the...
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    I don't think the VVT will throw the engine into...

    I don't think the VVT will throw the engine into REP if say it was unplugged. I've seen plenty of tunes where people have forgot to turn that off in the computer but the engine still ran.

    There is...
  7. My bad, I had LS engines on my mind, those are...

    My bad, I had LS engines on my mind, those are 24/1x on the P01's.

    But yes, you could flash a P01 with a 5.7 Express Van file to run a L31 engine. That is usually the best route to go when doing a...
  8. The P01's only run on a 24/1x crank/cam trigger.

    The P01's only run on a 24/1x crank/cam trigger.
  9. Thread: lost 6 credits

    by 5FDP
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    198

    My advice is to never change the VIN if the VIN...

    My advice is to never change the VIN if the VIN does not matter. Like if there is no emissions testing that involves the VIN, never mess with it. The VIN makes zero difference in how that computer...
  10. Thread: Starting problems

    by 5FDP
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    84

    Yes, the MAF dtc's still matter.

    Yes, the MAF dtc's still matter.
  11. Thread: Starting problems

    by 5FDP
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    84

    The MAF dtc's are wrong, they must be on MIL on...

    The MAF dtc's are wrong, they must be on MIL on first error to fail the MAF.

    Are you still running a stock MAP sensor?

    Your base running airflow is very high, go back to stock and add just a...
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    Dumb question, is the stoich table itself in the...

    Dumb question, is the stoich table itself in the tune set to change or does it say 14.10 for all cells?
  13. Thread: mismatched ecm

    by 5FDP
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    You could find a E92A and then have it programmed...

    You could find a E92A and then have it programmed with a GM tool to a VIN number that worked with both the PCM and TCM, then they'd be matched.
  14. Thread: Rich before DEFCO

    by 5FDP
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    Mine does it too and I don't care at all. They...

    Mine does it too and I don't care at all. They are all like that from the factory.

    Why are you commanding a 14.8 AFR anyway with a 9.8% alcohol content too, that isn't right. Stoich needs to match...
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    It's got no MAP sensor data in that log. Also is...

    It's got no MAP sensor data in that log. Also is throwing a P0107 code too.
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    How come you have the idle timing so low for...

    How come you have the idle timing so low for park/gear?

    You also have a ECT spark correction table removing a ton of timing when the engine is cold. I'd probably zero out that ECT table for the...
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    No decaps, throw them in the trash.

    No decaps, throw them in the trash.
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    Having 42-43psi of fuel pressure at idle is...

    Having 42-43psi of fuel pressure at idle is normal on trucks with a fuel pump control module. The increase to around 55-60 under heavy load is normal as well.

    A stock flex fuel pump is the only...
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    Fueling is a complete basket case right now. I...

    Fueling is a complete basket case right now.

    I don't know why this tune has the injector flow rate cut in half and the stoich doubled. Running 1050's is only around 100lb/hr and even at 58psi of...
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    Engine side torque mngt can be taken away but...

    Engine side torque mngt can be taken away but leave everything there for the transmission.

    Raise the max torque vs rpm table way up, raise the torque limit vs rpm's max torque up as well. Turn off...
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    If the rpms shoot up out of no where with the...

    If the rpms shoot up out of no where with the throttle closed, you have a massive vacuum leak or something is holding the throttle blade open.
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    Get bigger injectors before you even start. Stock...

    Get bigger injectors before you even start. Stock injectors won't cut it, period.
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    Disable long term trims with a large camshaft, it...

    Disable long term trims with a large camshaft, it will make things easier.

    Get a wideband o2 sensor for tuning because you are going to need it. Then start tuning the MAF and VE because getting to...
  24. Side note, if that wideband is right then that...

    Side note, if that wideband is right then that means your whole airflow model needs work. Commanded fueling is no where close to actual fueling at wide open throttle.
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    I see zero way for the E92 to work either, they...

    I see zero way for the E92 to work either, they both need to jive together to work in any sort of fashion.

    Probably be best to find a standalone controller for the 6 speed.
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