Why does my car cut off when I put on the AC?

When the AC is turned ON, the valve opens to flow more air into the engine, increases Its Idle RPM, and also produces more power and vice versa. So, when carbon builds on “Idle Air Control Valve (IAC)”, it will fail to maintain proper idle, and as a result, the car surges and shuts OFF when the load is put.

Why does my engine stall when I put in gear?

An automatic car can stall when put into gear for countless reasons. It could be a result of a faulty coolant sensor, bad alternator, empty fuel tank, bad fuel pump, leaking vacuum when the filter is blocked, etc.

Why does my car turn off when I shift gears?

Most of the time it is due to a faulty throttle body. The throttle motor fails at times and cannot keep the throttle plate open to the right angle. In some other cases the throttle body may just be dirty and can be cleaned.

Why does my engine turn off when I put it in reverse?

Hi there. For the reverse stalling condition, check the Idle Air Control Valve and see if its plugged up. If a IAC valve is plugged up, an engine will stall out when going into gear and could cause issues when slowing down. For the steering and stalling issue, check the power steering fluid and see if its low.

Why does my car shut off when I put it in drive?

Once the transmission fluid is checked most common faults are the torque converter, Idle air control valve, vacuum leaks, or a wiring harness fault. A qualified Technician such as one from YourMechanic will be able to diagnose your engine shuts off when put in drive and make any repairs required.

Why is my Car’s automatic transmission not shifting properly?

The common reasons behind this problem in automatic transmission vehicles have a relation with the shifter, ignition, or the gear shifter machinery. Moreover, things are not so complicated in the beginning stages but it might hurt your pocket if not addressed at the right time.

What causes shifting delay in a car?

Shifting delays are often caused by many things but most commonly due to poor maintenance or high mileage. Transmission fluid, in addition to acting as a coolant, keeps internal seals lubricated to help prevent hardening or wearing out.

Why is my automatic gear shift stuck in Park?

The Troubleshooting Tips Automatic gear shift stuck in park is one of the most common concerns in manual transmission vehicle. Generally, the reasons behind it are cable broke, cable stretching, transmission machinery stuck, faulty transmission box, and damaged ignition tumbler.