What happens when air conditioner is turned on at idle?
What happens when air conditioner is turned on at idle?
Might want to try this.found bulletin #1878920. Engine stalls when air conditioning is turned on at idle – keywords HVAC rough condition CJ2 CJ3 surge. Engine may stall with the air-conditioner on and or while adding additional loads to the engine at idle.
Why does my car voltage drop when idle?
• At idle, vehicle electrical loads may exceed the low speed current (amperage) output of the generator and when this happens the shortfall comes from the battery. This will result in a drop in the electrical system voltage as the battery delivers the additional electrical current to meet the demand.
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.
What causes a generator voltage to go down?
• Increased internal generator temperatures from extended idling can also contribute to lower electrical system voltage. As the generator’s internal temperature rises, the generator’s output capability is reduced due to increased electrical resistance. The following are some typical examples of electrical loads:
What’s the weird voltage drop with AC on?
Voltage drops to 12.5 from the 14 volts otherwise. Alternator is new, puts out 55 amps clean voltage. Problem persists even if I disconnect the AC and jump the compressor right to battery. Been suspecting slipping belt, yet no noise, and everything visually turns at full speed. Any ideas?
What’s the voltage of the alternator when the AC is on?
When I turn the AC on (GM A6 compressor) the alternator “quits charging”. Voltage drops to 12.5 from the 14 volts otherwise. Alternator is new, puts out 55 amps clean voltage.
Why does my car clutch drop when the AC is on?
It’s a longshot, but any inductive device (big coil) like a compressor clutch could be intermittent and generating voltage spikes on wiring that could confuse a voltage regulator, while still engaging. Pull all fuses to everything in the car except those necessary to run the car and ac clutch to see if the problem goes away.
• At idle, vehicle electrical loads may exceed the low speed current (amperage) output of the generator and when this happens the shortfall comes from the battery. This will result in a drop in the electrical system voltage as the battery delivers the additional electrical current to meet the demand.
