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I have managed to get decoded partially the following ID's:

0c9 -- RPM and throttle pedal % (missing other fields)
4c1 -- ECT and IAT (missing other fields)
4d1 -- Oil Pressure (missing other...

Read is free. Just did this on a GEN4 with MPVI3.

Thanks - that helps.

I need to read up on the spark stuff. I don't hear any knock at all but with the long tube headers it's not so quiet to be really able to. It's a very light car for the...

I'm just a newby - can you give some hints on the added logs to add to assist?

Also on the spark - not sure what you mean?

LS3 E38 swap. Running speed density only. T56 manual transmission.

Car is up and running and first drive since being apart went really pretty good. It is drivable in it's current state - no...

Thanks for the file! Finally got car running again to test this out. It seems to have helped the cold startup issues.

I took the car for a 20 minute drive and took a log. It's attached as well...

Actually I think I am wrong - I saw under "OS" it listed the 2 bar map as an option and assumed that is what was installed? But I do not think that means it's installed?

Map is a P/N 55573248

Hi everyone,

New to GM and HP Tuners so thanks for the patience in advance ;).

E38 ECU, 2 bar map, LS3, mild BTR cam, no cats, SD only.

Attached are two logs and a copy of the tune.

The...

Update - got the connection sorted out - it's a conflict with the Motec C127 dash in the car also connected to the OBDII port.

Still got issues with the tune.

Hi everyone,

I have a GM E38 ECU running an LS3. It's a swap into a Miata. I also have a Motec C127 that is hooked to the OBDII port as the vehicle instruments. This is via a custom Speartech...

So I have a Miata with an LS3 swap, using GM E38 ECU. It's a manual - T56. LS3 has a cam and long tubes. Speed density only.

It was originally tuned by one of the well-known tuners on this...

Hey - what's the difference between this firmware versus the 30-0334? I don't need the gauge as have a Motec C127 dash thats using the OBDII data and some extra sensors to drive it, and if the...