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  1. Should have an EVAP test in the "Service Bay...

    Should have an EVAP test in the "Service Bay Test". https://www.youtube.com/watch?v=R8Sm-iMLtEM
    Use data to check for issues. Have to start with a cold vehicle. You only get one shot or you will...
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    I remember a while back when I was a smog check...

    I remember a while back when I was a smog check guru they were going to go to the IM240. That was a dyno test that simulated a complete drive cycle. Instead they went with the 15mph and 25mph test....
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    As others have mentioned in the threads there...

    As others have mentioned in the threads there isn't a good amount of direction on what advance and retard means. If it is like ignition timing retarded is late or adding degrees on the wheel....
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    That is a pretty normal amount of misfires. It is...

    That is a pretty normal amount of misfires. It is rare to see zero in history. Manufacturers like to lean out that idle for emissions to the point where you will get random light misfires.
    To the...
  5. As a side note. As engine efficiency the timing...

    As a side note. As engine efficiency the timing needed will decrease. If you compare inefficient cylinder head designs of the 60 they needed LOTS of timing. Modern cylinder head and piston design has...
  6. CVN/Checksum number will change from a stock...

    CVN/Checksum number will change from a stock configuration. How do they/BAR know? BAR forced the manufacturers to give them the alphanumeric numbers. As an example you can go here and plug in your...
  7. Thread: Question

    by TheMechanic
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    HP Tuners is not your answer. Software will not...

    HP Tuners is not your answer. Software will not cure hardware issues. You are at a tipping point of getting a good (paid for) and proper diagnosis. Tipping point is if you have to pay for a diag on a...
  8. I don't believe that can be done with the editor...

    I don't believe that can be done with the editor or scanner. I always use Tech2Win or Techline Connect.
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    Copied from another users post. ...

    Copied from another users post.
    https://tis2web.service.gm.com/tis2web

    Then select: Get Cal ID

    Then PCM/VCM > Next

    Then select: Programming >Next

    Then select Complete History > Next
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    OS or Operating System is kind of the Microsoft...

    OS or Operating System is kind of the Microsoft windows of the PCM. Some may be windows 98, some windows 7 32bit, Windows 10 64bit, etc. The OS can cover several make, model and years. If you can...
  11. Check on this forum for this guy. ...

    Check on this forum for this guy.
    https://forum.hptuners.com/member.php?829-dr-mike
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    Actually if you force 1080p in the setting, full...

    Actually if you force 1080p in the setting, full screen and then pause/play quickly you can see where his cursor is. Thanks for the head up though. Seems pretty straight forward.
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    It is an option in the drop down menu. Have not...

    It is an option in the drop down menu. Have not used it on one but the software as a whole is kick ass.
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    On the 0334 since it does have wiring off the...

    On the 0334 since it does have wiring off the gauge on connector "B" wires 8 & 9 a 0-5V output that may be the hot ticket for pre-CAN right? If that is the case sign me up for one.
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    Diag the P0651 and P2135 in that order. Pull on...

    Diag the P0651 and P2135 in that order. Pull on wiring at throttle body to see if you have a broken wire inside the insulation. Specifically any yellow wires. Don't ask me how I know. ;)
  16. Why wouldn't you put the right transmission in it?

    Why wouldn't you put the right transmission in it?
  17. Check you air filter housing for a plastic bag or...

    Check you air filter housing for a plastic bag or other item. Yeah it has happened on several vehicles I have diagnosed. If you don't find anything try to remove the entire CAI and disconnect the MAF...
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    http://shocksims.com/ or ...

    http://shocksims.com/
    or ...
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    Awesome. I did not know 2 bar and 3 bar speed...

    Awesome. I did not know 2 bar and 3 bar speed density upgrades were free. Learn something every day.
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    Let me simplify. The "Files" that are being...

    Let me simplify. The "Files" that are being copied from the ECM/PCM/TCM/FPCM etc are software that tell the hardware what to do, when to do it, and what specifics are for that vehicle. Just to name a...
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    I missed that it was a rebuild of a current...

    I missed that it was a rebuild of a current install. So you are right. If VB is not replaced you don't need to flash.
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    Scenario 1) 18-20 F-150 Ecoboost 2.7L. I purchase...

    Scenario 1) 18-20 F-150 Ecoboost 2.7L. I purchase a new MPVI2. I read the PCM and tune it myself, then write the PCM 4 CREDITS
    Scenario 2) I write the same tuned file used in scenario 1 on a...
  23. Can be done in HP Tuners as long as it is in a...

    Can be done in HP Tuners as long as it is in a pre smog vehicle ;) Will need to disable any and all codes related to downstream (B1S2 & B2S2) sensors. If you deleted cats then that will need to be...
  24. Thread: 2007.5 lmm

    by TheMechanic
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    No communication is tricky. Here are some things...

    No communication is tricky. Here are some things to maybe give you a leg up. Do you have communication codes in other modules? Do those modules specifically call out the ECM. If you can not...
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    I get it. 24 years at a GM dealer I know we have...

    I get it. 24 years at a GM dealer I know we have seen everything at least once. Hahahaha. The ONLY reason I could think that DOT 3 would be an option is maybe they don't want it to absorb as much...
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