Stalling and loss of motive power: why a stall at speed is a safety problem
Why a stall at speed is treated as a crash risk, the fuel pump, engine, transmission and high-voltage causes owners report, what to do in the moment, and where the complaints concentrate now.
"The car shut off while I was driving." A vehicle that loses power at speed can lose power steering assist and, after a few presses of the pedal, power brake assist too, while the traffic behind it does not slow down. That is why recall notices routinely describe a loss of motive power as increasing the risk of a crash, and why the data block in this article measures how often stalling and power loss come up in each model's complaints.
The main causes owners report
Fuel delivery
Low-pressure fuel pumps sit inside the tank and are expected to last the life of the car. In recent years a single supplier's pump design, with an impeller that could swell and seize, was fitted to vehicles across several brands and led to recalls covering millions of them. The recalls describe an engine that can stall while driving or fail to start. Owners also report stalls from clogged filters, failed fuel-level sensors that let the tank run dry while the gauge still shows fuel, and from a fuel cutoff triggered by a minor impact.
The engine itself
A bearing that has been starved of oil can seize without much warning; a timing chain that jumps or breaks can stop the engine at once. The oil-consumption problem discussed elsewhere on this site ends here for the unlucky. Engine computers watch for misfires and throttle faults and switch on a warning light when they find one, so a failing ignition coil or throttle body can announce itself first; a failing crankshaft position sensor, by contrast, can cut the engine with little warning.
Transmission and driveline
"Lost drive" rather than "stalled": the engine runs but the car does not move. Owners describe a slipping clutch pack, a CVT that overheated and went into a protective mode, a broken axle, or a control module that shifted to neutral.
High-voltage systems in hybrids and EVs
Electric vehicles do not stall, but they do lose motive power, and owners use both phrases. The causes reported are a high-voltage battery fault that opens the contactors, an inverter or motor controller failure, a coolant leak that triggers a shutdown, and the humble 12-volt battery that runs the computers: when it dies, the car cannot close the high-voltage contactors and will not move. Several EV recalls in recent years have addressed a sudden loss of drive power, some of them with a software update.
Electrical and software
Body control modules, wiring chafed on a bracket, a corroded ground strap or an ignition switch can all cut power to the engine. Modern cars add another possibility: a software fault in a powertrain controller that shuts the system down under a particular combination of conditions, sometimes fixed with an over-the-air update.
What owners describe around the event
Some reports mention that the dealer found no stored fault code, which can happen with intermittent electrical and fuel faults and is a source of real frustration. The live block below ranks the tracked models by how often their complaints mention stalling or a loss of power this month.
What the data shows now · 2026-10-13
Share of each model's complaints whose text mentions: stall, shut off, shuts off, lost power, loss of power, lost all power, motive power, died while. Models with at least 100 complaints.
| Models | Complaints | Share of complaints | Complaints · Total | Recent activity |
|---|---|---|---|---|
| Jeep Compass | 624 | 33.7% | 1,853 | Within ±30% year on year |
| Kia Seltos | 174 | 31.1% | 559 | Within ±30% year on year |
| Chrysler Pacifica | 787 | 28.8% | 2,728 | Within ±30% year on year |
| Jeep Cherokee | 756 | 26.0% | 2,906 | Within ±30% year on year |
| Hyundai Kona | 221 | 22.9% | 966 | Within ±30% year on year |
| Toyota Corolla Cross | 64 | 21.7% | 295 | Within ±30% year on year |
| Chevrolet Malibu | 286 | 20.2% | 1,416 | Rising |
| Chevrolet Tahoe | 260 | 20.2% | 1,289 | Within ±30% year on year |
What to do in the moment
- Do not switch the ignition off. With a conventional key, turning it to the lock position can engage the steering lock. Switch on the hazard lights and shift to neutral.
- Steer firmly. The wheel can become heavy without assist but still works. Aim for the shoulder or the nearest safe stop.
- Brake early and steadily. A vacuum brake booster holds reserve for only a limited number of applications, so press firmly rather than pumping. Electric boosters may keep working; do not count on it.
- Try a restart only once you are stopped. A car that restarts and stalls again should be towed, not driven home. The owner's manual explains what your particular vehicle does when its engine or drive system shuts down.
- Write down the conditions immediately: speed, temperature, fuel level, any warning lights, what the car had just been doing. This is what the dealer and NHTSA will ask.
What to do afterwards
Check the recall status by VIN before the dealer visit; a stall can be the symptom of an open recall the owner never received notice of. Ask the dealer to pull the freeze-frame data, not just the current codes. Keep the repair order even if the finding was "could not duplicate". And file a report with NHTSA.