Possible reasons for engine tripping when switching automatic transmission:
Mechanical problems:
* Torque converter malfunction
* Clutch wear
* Slippage or burnout of automatic transmission clutches
Electrical problems:
* Faulty shift solenoids
* Problems with the electronic control unit (ECU) of the automatic transmission
* Malfunction of speed, engine speed or throttle sensors
Engine problems:
* Faulty spark plugs or ignition coils
* Clogged fuel injectors
*Low fuel pressure
* Air leak in the intake manifold
Other possible reasons:
* Insufficient transmission fluid level
* Contaminated or old transmission fluid
* Incorrectly adjusted throttle cable
Diagnosis of the problem:
To diagnose the cause of the engine tripping when switching the automatic transmission, the following steps must be taken:
1. Checking the level and condition of the transmission fluid
2. Computer diagnostics of engine ECU and automatic transmission
3. Visual inspection of the automatic transmission for leaks or damage
4. Checking fuel pressure and condition of fuel injectors
5. Checking the ignition system
Solution:
Depending on the identified cause, repair or replacement of the automatic transmission, engine or other faulty components may be required. The transmission fluid and filter should also be replaced.
Important: It is not recommended to continue driving with the engine revving as this may cause further damage to the automatic transmission or engine.