hi scotty hello from Greece . i have a lada niva 1.7 and i have problem when i'm turning on the AC the engine fall about 500-600 rpm an when i'm staring in traffic it stops what could me the problem and what can i do ?

thanks for your time .

wow, i didn't even know ladas had AC. Pray it's a bad iac valve and not the AC compression going out stalling the engine from drag