Why does my car stall when I put the air conditioner on?

Why does my car stall when I put the air conditioner on?

Like many parts of your vehicle, the air conditioning system takes its power from the engine. If not working properly, the engine may not cope with the loads produced by various systems in the car. More specifically, it may be too low to run the A/C and hence it stalls when turned on.

When does the a / C compressor engage, the engine stalls?

When the A/C compressor engages at idle in park or neutral every five to ten seconds the idle drops and will either almost stall the engine or occasionally does stall the engine. This happens in drive as well, and when driving, since the rpm’s drop and come back up, the vehicle surges at low speeds.

When does the a / C compressor engage at idle?

Here is where the problem started: that night after changing my battery, I went to use the defroster. When the A/C compressor engages at idle in park or neutral every five to ten seconds the idle drops and will either almost stall the engine or occasionally does stall the engine.

When does the car idle, the engine dies?

Car idle sputters and engine dies when AC clutch engages When a/c is turned on, and car is at idle or in motion, the engine sputters and dies when the a/c clutch engages and rpms are increased. The a/c compressor clutch intermittently engages and disengages, I don’t know if this is normal for make and model for my vehicle.

What happens when the AC compressor and clutch engage?

In most cases, when the AC compressor and clutch engage, it will draw extra ’power’ from the engine and cause the idle to slightly drop. However, this can cause existing issues to be amplified.

When the A/C compressor engages at idle in park or neutral every five to ten seconds the idle drops and will either almost stall the engine or occasionally does stall the engine. This happens in drive as well, and when driving, since the rpm’s drop and come back up, the vehicle surges at low speeds.

What causes a truck to stall and shut down?

The steering wheel will lock up and I have to put it into Park. It does always restart. Heat, A/C, and defrost cause engine to stall and shut down. i had this problem for a while ( my personal vehicle). The truck would go into reduce engine power mode at first. Turn the engine off and restarts with no prblem.

What happens when you turn off the a / C?

When turned on A/C or defrost engine would stall & cut off. I turned off A/C or defrost, cranked & ran fine as long as both were off. Took to shop; had throttle cleaned. No problem since.

Here is where the problem started: that night after changing my battery, I went to use the defroster. When the A/C compressor engages at idle in park or neutral every five to ten seconds the idle drops and will either almost stall the engine or occasionally does stall the engine.