so I ran the car at 20 psi and melted spark plugs, I know i am an idiot but I was on a road trip for 2 hours and ended up turning around due to the missfire code.

what does this combo sound like to you all?

P0121 Throttle Position Sensor
P0300 General Missfire (no cylinder mentioned, ie P0301 P0302, etc) lean condition/boost leak, etc
P1101 MAF out of test range

engine is not smoking and not making any knocking noises. Car didnt idle right yet due to tune so its idling about the same.

 

Is this the same case you were mentioning in the Turbo lsj thread? have you reset the setting on your maf readings? there shouldnt be a limit and i think it has to be disable on your tunning. Throttle position is with your TB have you checked it for leaks? maybe is getting stuck and its going...

 

yes posted it here because there are only a handful of us that read that thread.

looking at the tune now, dont see anywhere to disable it.
not sure about tb, looked at it and hear it opening and closing during idle, I would think it had something to do with the misfire and other stuff.

Car just got really unhappy on the hahn tune and 20 psi, even though its good to 22 psi supposedly.

 

talk to an actual tuner about how to disabling it am sure there ways. I know because ive seen many turbo lsj's run through the same issue and it can be done thorugh hptuners. did you tried cleaning the TB when you installed it on the new IM? also make sure to have your maf cleanned well.

I had a issue not long ago my MAF was very dirty and the car was giving me hell..the miss fires i would say its something to do with your plugs, gap? are you running 1 step colder right?

 

Yes, I am running 1 step colder plugs, right now I wont be able to tell that until I get the new plugs tomorrow. Napa O'reillys Auto Zone Advance auto parts are all special order for anything in the 7 range. Stupid small town...

I will go clean the maf, and pull the tb to see if I can see anything.

Thanks for the help.

 

Just pulled the headlight and teh maf and cleaned it with maf spray. Pulled tube off throttle body and everything looks good, the TB moves freely.

Cleared codes

Codes came back after a minute P0300 Misfire and P1101 MAF out of test range

 

i have the p0300 pop out since my car had 1 year.

have almost 6 now, and still there....

 

I constantly have those codes too. I don't think its too much to worry about

 

well to end this pointless thread the OP burnt valves and caused the missfire codes, not sure what the MAF one is about but will know when the idiot OP gets his pistons and ported head in this week.