Possible Causes

2008 Jeep Liberty Sport, RWD, AutomaticSECTION Possible Causes
Possible CausesΒ 
(F344) ASD RELAY OUTPUT CIRCUIT
(K16) COIL CONTROL 5 CIRCUIT OPEN
(K16) COIL CONTROL 5 CIRCUIT SHORTED TO GROUND
COIL ON PLUG
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

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.