I have been fighting a high RPM misfire/detonation for a while now and think I have found the problem. I unplugged the MAF, and it doesnt misfire in speed densidty mode. So does this just mean the MAF is bad, or that maybe something else is wrong? Should I buy an after market MAF or a Stocker?

I first encountered the problem when I installed my Delteq after my Opti went out.

Ill probably borrow a buddys MAF to test and see if that is the problem.

Only motor mods are: U/D Pulleys, Delteq, CAI

Thanks for the help.

 

Is it possible you have some of the Delteq high voltage wiring running in parallel with the MAF sensor wiring?

Have you checked for codes?

Add a "signature" with basic info about the car.... like year.

 

I have the cable and the pcmcomm software. I dont have the full version so I cant record anything. But I Was getting knock counts in the 4k+ and it was retarding my knock as much as 7-11deg. My spark advance was also 40deg while driving around town but would drop to 20deg at WOT.

What program could i use thats free to read my codes?

 

I wouldnt imagine so. As you probably know, Delteq give you a wiring harness. So Its setup just as they intended.

 

bump

 

You should be able to read your PCM with the free downloads from TTS DataMaster or FreeScan/Andy Whittaker.