My Honda City vario 2007 automatic is giving me a problem. When the car's a/c is on and I reverse, the engine stalls and makes noise. This problem doesn't happen of a/c is off.
I have changed my spark plugs but still the problems persists. What should I do?
Brother check the spark coils and adjust the valve clearance.
also check that there is a device used to create vaccum which turns on and increases the rpm when you switch on the A/C. if that is not working you might face such a problem
Please check electrical connections which include spark plugs, wires in general.
Also take into account foundations of engine and then transmission
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Clean your IACV. When your are on AC the car is under load and when Reverse is applied the engine has sudden drop. If IACV is sluggish then it wont have chance to bring RPM Back