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View Full Version : 650s 2g MAS and old skool 5 knob problems


Andrew7dg
08-08-2010, 09:27 AM
I am running a 2g MAS, 650s, and a 5 knob safc to correct it out a little in a 1g

First will this combo work? I turned down the fuel pressure a little but even though the 5 knob is a little crude, figured it would work.

However I am running RICH. It will start right up but after that the AFR just peg to 9.6. I am getting a check engine light that turns on and I am wondering if I am having a MAS problem. Do they go bad? Are all 2g MAS the same? Maybe I didn't get one from a turbo car...

twack
08-08-2010, 10:14 AM
what CEL you getting. are you sure you wired the afc in right. and props to your for going old school

Andrew7dg
08-08-2010, 11:12 AM
Ok, I rechecked the wiring on this and it was wrong. Fixed. (stock boost gauge works!)

Still running rich though...

Boost leak test time

I don't know which cel it is yet. I am trying to get my palm working. Check engine light still comes on now but not right away.

twack
08-08-2010, 12:47 PM
i cant remember but is there any of those small switches on the back of te 5 knob to switch it to a karmen sensor, with 4 cylinders or whatever

Andrew7dg
08-08-2010, 05:16 PM
I made sure that the switches and the dial were in the correct position. That was one of the first things I checked. Set it up according to the manual. Unless the manual is wrong or there is a secret I don't know about these switches. I don't know what each one does...