P1599
Engine Stall Or Near Stall Detected
Severity
⚠️ MediumCan you drive?
Do not drive — repair immediately
Approx. repair cost
$17–89 (est.)
Symptoms
- Engine stalls
- Unstable engine idling
- Dips during acceleration
- Difficulty starting the engine
- Reduced engine power
Causes
- Fuel supply problems (clogged fuel filter, faulty fuel pump)
- Throttle Position Sensor (TPS) malfunction
- Problems with the ignition system (plugs, coils, wires)
- Dirty or faulty mass air flow sensor (MAF)
- Vacuum leak
How to Fix
- Check the fuel system (fuel pressure, filter condition)
- Diagnose the throttle position sensor
- Check the ignition system (spark plugs, coils, wires)
- Clean or replace the mass air flow sensor
- Check the tightness of the intake tract for vacuum leaks