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 RAM2011JOURNEY R/T, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (2.4L - DTCS P000A TO P0443)DIAGNOSIS AND TESTINGP0140-O2 SENSOR 1/2 SIGNAL INACTIVEDIAGNOSTIC TEST
2011 Dodge and Ram Journey R/T, AWD
Diagnostic Test
2011 Dodge and Ram Journey R/T, AWDSECTION Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- ACTIVE DTC NOTE:
After the repairs have been made, verify proper O2 Sensor operation. If all the O2 Sensor voltage readings have not returned to normal, follow the diagnostic procedure for the remaining O2 Sensors.
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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.