That means your engine is running too lean (not getting enough fuel in the mix) use higher octane gas when you know your going to run the a/c.
2000 CVPI 118K miles (6/2013). Steeda UDs,EMP Water Pump,Ported Plenum,FRPP 70MM TB,PI Intake,
PI cams,180 stat,NGK TR6IX Iridiums,3500 stall converter from Darrin,Dual Trans Coolers,
J-Mod,MMX Driveshaft,3.55 with T-lok,Full Magnaflow Exhaust,Marauder Cluster,
Console with floor shift. 14.9 with no tune.SOLD 11/14
Living vicariously through brothers 93 and 03
Currently in the garage- 2011 edge, 62 t-bird.