Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2013JOURNEY CREW, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 5 (2.4L - DTCS P2004 TO U1418)DIAGNOSIS AND TESTINGP2431-SECONDARY AIR INJECTION SYSTEM AIR FLOW SENSOR CIRCUIT PERFORMANCEPOSSIBLE CAUSES
2013 Dodge and Ram Journey Crew, AWD
Possible Causes
2013 Dodge and Ram Journey Crew, AWDSECTION Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| (K157) MAF SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE |
| (K157) MAF SENSOR SIGNAL CIRCUIT SHORT TO GROUND |
| (K157) MAF SENSOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| (K957) MAF SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| SECONDARY AIR PUMP ASSEMBLY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.