OBD Guide

P1599

Engine Stall Or Near Stall Detected

P1599 is an OBD-II diagnostic trouble code meaning: Engine Stall Or Near Stall Detected. Common causes: fuel supply problems (clogged fuel filter, faulty fuel pump), throttle position sensor (tps) malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can 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

  1. Check the fuel system (fuel pressure, filter condition)
  2. Diagnose the throttle position sensor
  3. Check the ignition system (spark plugs, coils, wires)
  4. Clean or replace the mass air flow sensor
  5. Check the tightness of the intake tract for vacuum leaks

Related codes

Error P1599 by Vehicle Brand

FAQ

What does the P1599 code mean?

P1599 is an OBD-II diagnostic trouble code that indicates: Engine Stall Or Near Stall Detected

What causes a P1599 error code?

The most common causes of P1599 include: 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).

How do I fix a P1599 diagnostic trouble code?

To fix P1599: Check the fuel system (fuel pressure, filter condition). Diagnose the throttle position sensor. Check the ignition system (spark plugs, coils, wires). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1599?

Do not drive — repair immediately

How much does it cost to fix P1599?

The estimated repair cost for P1599 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat