Just got my 95M back from a professional turbo install done at Atlanta Speed Co, tuned by DBW. Tuner and installers were stumped on A/C issue. When at idle and A/C is on, idle will hunt then die. No issues while moving. Car is setup for street driving only, so if there’s a solution out there I’d love to hear it! One friend said he thinks MSPnP3 has a solution but I’m unsure.

*I spent 2 hours searching the forums for a thread on this and didn’t find one with any solutions so pls don’t attack me for asking a repeated question.

-38k miles
-236 Hp (asked tuner to lower from 256 Hp for reliability)
-kraken turbo kit
-gt25560r turbo
-coolant reroute
-fm happy meal clutch kit
-Megasquirt PnP2

thanks in advance for any solutions!

 

I don't know what kind of agreement you made with the tuner, or how much you paid, but they should have the knowledge to fix this. If they can't, in my opinion, they didn't tune the car. I had a very similar condition, with my MS Labs squirt. A member here spoon fed me instructions to fix it. My tune is in a post in geral miara chat, under no start after plug change. You can look at the idle settings and see if they can pertain to you. My ecu is MS3 PNP.

 

Can you post your tune and a log of it idling without AC followed by the issue with AC on?