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Mdauto

Stalling under decel with a/c on conversion

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Hey has anyone done a conversion and got the a/c to work without stalling and no a/c request can input cheers 

Edited by Mdauto

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A simple fix would be to wire the A/C compressor into the power steering pressure switch input. Then when the compressor clicks on it will trigger the idle up that normally occurs when at full lock.

If you are still running power steering with the pressure sensor you could wire the two electrically in series so if either occur you get an idle up condition.

You could also drop the idle ignition timing (by increasing the idle airflow). This gives you more torque reserve when the engine starts to stall and the PCM can recover quickly using ignition timing.

A combination of the above should have the car idling like factory with no stalling.

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