idle drop when a/c kicks on - Toyota Nation Forum : Toyota Car and Truck Forums

travhouse3000 · 08-24-2008, 05:31 PM

i have a '79 corolla with a 3tc swap and it runs pretty well but a little rich and when i turn on the air conditioning the idle drops and sometimes kills the car. any info would really be appreciated.

4agetercel · 08-24-2008, 07:50 PM

a slight rpm drop is normal but to stall the car seems like its putting alot of lag on it(maybe the a/c compressor seizing), or maybe its draining alot of power from it electrically speaking... which could be an alternator issue if its not making enough of a voltage.

just throwing stuff out there

travhouse3000 · 08-24-2008, 10:30 PM

that is actually really helpful because the a/c is making a clicking sound. i didn't think of that. thanks.

4agetercel · 08-24-2008, 10:48 PM

that would be the electro-magnetic clutch engaging, glad i could help ya out