Why does the car start but not move?

[LondonRose]

The reasons why the car starts but does not move are as follows: 1. Intake system problem: The air filter among the three filters needs to be cleaned and replaced most frequently. If the air filter is clogged or the throttle system is blocked, the intake air volume will decrease, combustion will be insufficient, power will drop, and the car will not move even if you press the accelerator hard. 2. Ignition system problem: If the car does not move and emits black smoke when you press the accelerator, it is very likely that there is a problem with the ignition system. Carbon deposits on the spark plugs of the ignition system can cause poor ignition, leading to reduced power and persistently high fuel consumption. To keep the car running smoothly, it is very important to replace the spark plugs regularly.

[SanBethany]

This situation is quite frustrating, and I often encounter similar issues while driving. The car starts but won't move, most likely due to a problem with the drivetrain. The most common issue is clutch failure—if it's a manual transmission, severely worn clutch plates can't transfer power; for automatic transmissions, insufficient transmission fluid or a faulty pump might cause slipping. Another possibility is stuck brakes, such as the handbrake not being fully released or rusted brake discs seizing up. Safety first—if this happens, pull over immediately, turn off the engine, and check the handbrake position and whether the brake pedal has returned. If you lack experience, it's best not to tamper with it. Call a tow truck to take it to the repair shop right away to avoid further damage to the car or yourself.

[Jonathan]

I usually enjoy tinkering with car repairs and have dealt with such issues before. Don’t panic; let’s check step by step. Make sure the handbrake is fully released; try shifting gears to see if it’s smooth—if the clutch on a manual car feels stiff when pressed, the clutch disc might be damaged. For an automatic car, check if the gear lever is in D or R position. If the engine sounds normal but the car doesn’t move, it’s likely a broken driveshaft or a seized differential. Other possibilities include a loose drive belt or a clogged fuel line. If simple self-checks don’t resolve the issue, it’s best to consult a professional mechanic. They can quickly diagnose the problem by testing the electrical circuits or oil pressure, whereas random repairs might cause more trouble.

[SamuelLynn]

As someone who's been driving for many years, I've encountered this issue multiple times. If the engine starts but the car won't move, nine times out of ten it's a transmission or clutch problem. With manual transmissions, worn-out clutches lose their grip in older cars; automatic transmissions often experience internal wear and slippage. It could also be a stuck parking brake or brake system issue. The key is not to rev the engine hard, as high RPMs can damage more components. Find a reliable mechanic for a thorough inspection—they can replace parts or make adjustments. From my experience, I can tell you that delaying repairs will only cost you more in the long run.