3 ms·
Depends how new it is and the car. Older cars still fueled the engine either way. Newer ones cut the fuel themselves, as you intimated.
by dclowd9901 11y ago
Depends how new it is and the car. Older cars still fueled the engine either way. Newer ones cut the fuel themselves, as you intimated.
- dzhiurgis 11y agoI think the rule of thumb is that carburetor engines have simplified idle mechanism. So realistically anything younger than 30 years is more fuel efficient. Also safer.