My Vehicle is a 1996 Mitsubishi Lancer (CB1A) with a 4G13 Engine and I'm having some A/C Issues when the weather is sunny hot. I already replace with a new ones like Mitsubishi-Air A/C Compressor, Receiver Drier, Evaporator and the Expansion Valve.

My A/C Works great on night and/or in not so hot weather but on a Hot Tropical Sunny Weather the Idle Drops Slowly and my cars shakes like forever. Does it has to do with the Compressor? the Thermostat Sensors? or the evaporator?

Thanks In Advance.

  • Did you do the work, or did a shop do the work? Commented Aug 20, 2014 at 22:00
  • @Paulster2 yup I do the work.
    – Bon
    Commented Aug 21, 2014 at 4:49

1 Answer 1


The load put on your engine will come from the AirCon compressor, but that pressure is controlled by the AirCon pressure sensors. A service quality AirCon machine at your local garage will determine the fault.

  • My Receiver Drier has no pressure sensor and does it answer to my problem? Should I buy a Pressure Sensor?
    – Bon
    Commented Aug 21, 2014 at 9:09
  • OEM# MR201434, AirCon pressure switch part number. If you have someone local with aparts catalogue they can show you a picture. Commented Aug 21, 2014 at 20:26
  • Thank You So much that Part No# Really Helps. I already added it to my Receiver Drier and its now working fine ;)
    – Bon
    Commented Sep 7, 2014 at 10:40

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