Mechanics

ENGINE HAS LOW POWER WHEN AC IS ON

1999 Honda City • V12 2WD Manual • 345,000 miles

I noticed that when the engine is running and AC is turned on, the engine gradually becomes weak and power will be slow. Thereafter the temperature will also rise.
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Finderskeep
August 11, 2011.



Some power loss is normal but if it's excessive, check for exhaust restriction.

Wrenchtech
Aug 11, 2011.