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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (DRIVEABILITY - Gas - Non-DTC Based Diagnostics) >> Diagnosis And Testing >> Start And Stall Condition >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
CURRENT PCM DTCS
CURRENT VEHICLE SECURITY MODULE DTCS
RESTRICTED EXHAUST
ENGINE MECHANICAL
VACUUM LEAKS
CRACKED SPARK PLUG(S), CARBON TRACKING SPARK PLUG AND COIL
CARBON BUILDUP ON THROTTLE BODY
FUEL CONTAMINATION
FUEL DELIVERY
VALVE TIME OUT OF SPECIFICATION
5 VOLT SUPPLY CIRCUIT
SENSOR GROUND CIRCUIT
CMP SIGNAL CIRCUIT
CAMSHAFT POSITION SENSOR
CKP SIGNAL CIRCUIT
CRANKSHAFT POSITION SENSOR
FLEX PLATE (TARGET WHEEL)
CMP AIRGAP
CKP AIRGAP
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to appropriate Testing & Diagnostics article in Engine Performance .