P1299

2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN KSECTION P1299

Tests 1 - 2:




SYMPTOM
P1299-VACUUM LEAK FOUND

WHEN MONITORED
With the engine running.

SET CONDITION
If vacuum drops below 1.5" Hg with engine RPM greater than 2000 RPM and closed throttle.

POSSIBLE CAUSES
- Vacuum leak
- Intermittent condition
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.