MAf sensor quit working. any quick fix tips?!?
FYI, I found out it isn't working through my HP Tuners software, coupled with the car running crummy.
Thanks!
Umm...how would you feel about explianing the differences between using MAF vs Speed density, or link me somewhere good

What does that do differently if its already not working. Doesnt the car go into closed-loop mode without signals from the MAF either way?
Thanks for the help guys!
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Also, I'm curious about going speed density with the cam I'm about to install. its 230/240 113 & would like to keep a decent idle, and smooth part throttle driving.
While thats a total cliche with a cam that big saying that I want it to be "like stock," I'd be willing to give up some* HP in exchange for stock-like driveability within reason if it meant not going SD.
How common is it that people go SP > MAF when getting a tune with bolt ons/cam?
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Speed density Calibrates the amount of fuel to add based on information recieved from the Manifold Absolute Pressure (MAP) sensor, Intake Air Temp (IAT) sensor, Engine Coolant Temp sensor (ECT) and few other sensors instead of using the Mass Air Flow (MAF). Speed Density is suited well for alot of high horse power setups. ie... Forced induction setups that would max out the MAF or with very large duration camshafts. From talking to a few tuners they seem to usually agree that SD tuning is easier on our cars as well.
I'm currently running SD tune. My mods are in my sig.




