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I have what I feel is probably an easy to solve problem for a real mechanic. When I have my a/c on and I roll to a stop, the car drops ~400rpms and kind of stutters before returning to normal idle. With the a/c off, no issues. I feel like maybe I have a weak alternato or maybe my compressor is going bad?


Not sure if I matters, but the car is tuned with Fp geeen and id1000cc. Stock block.

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I believe there are sensors that control idle when the AC is on,






Try looking in the service manual.

305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD).  CHECK your oil, these cars use it.


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