Comp is 155 to 160 all cylinders. Leak down was done and I don't remember readings but was good.
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How bad is the misfire, is it at all rpm or just idle? Black boxes have misfire code disabled from the factory for the l29.
I think he means the individual cylinder location misfire codes are disabled in the black box? I think the older black box ECM's didn't have the crank location resolution to be able to tell the individual cylinder that was misfiring.. maybe?
I think he means the individual cylinder location misfire codes are disabled in the black box? I think the older black box ECM's didn't have the crank location resolution to be able to tell the individual cylinder that was misfiring.. maybe?
Oh, meaning they all show up as Random Multiple Misfire? P0300, I think?
Go to the HP tuners repository and download any stock l29 files. All the ones I've looked at have misfire disabled. Seen it was disabled on my truck and I thought maybe someone had been in the tune before, so I began to look and see what if anything was different than a stock tune. Mine was in fact stock, or at least everything was exactly the same as all the other l29 stock bins I looked at.This makes no sense to me. Where did you learn this?