Does Coasting in Neutral Save Fuel in Manual Transmission Cars?

1 Answers
AxelFitz
07/30/25 12:24am
Coasting in neutral with a manual transmission can save fuel, but this only applies to traditional carburetor models. Additional details are as follows: 1. Fuel-saving tips for manual transmission vehicles: Turn off the engine when stuck in traffic and unable to move; shift gears correctly and promptly, as driving at high speeds without upshifting leads to increased engine RPM and consequently higher fuel consumption; driving in lower gears consumes more fuel, so minimizing low-gear driving time significantly aids in fuel efficiency. 2. Why coasting in neutral doesn't save fuel in fuel-injected engines: Fuel-injected engines determine the amount of fuel injection based on computer programming. When driving in gear, releasing the throttle prompts the computer to enter a coasting mode where the engine stops injecting fuel for an extended period; selecting neutral coasting causes the computer to switch to idle mode, where the engine continues to inject fuel.
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