Diagnostic Test
WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- OTHER DTCS
- Ignition on, engine not running.
- With the scan tool, read DTCs.
Are there any coolant temperature, fuel system or EGR Valve DTCs?
Yes
- Repair other DTCs before proceeding.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
No
- Go To 2.
- ACTIVE DTC NOTE:
If there are any 5-Volt supply DTCs present, repair those DTCs before proceeding with this test.
- Turn the ignition on.
- With the scan tool, record all Freeze frame data.
- With the scan tool, erase DTCs.
- Turn the ignition off for 30 seconds.
- Start the engine. It may be necessary to test drive the vehicle.
- With the scan tool, read DTCs.
Did the DTC reset?
Yes
- Go To 3.
No
- Perform the INTERMITTENT CONDITION - 6.7L diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .
- CHECK FOR ENGINE OR FUEL MODIFICATIONS THAT EXCEED OEM SPECIFICATIONS
- Inspect vehicle/engine for signs of Engine or Fuel modifications that exceed OEM specifications.
Are there signs the customer installed a modification kit that exceed OEM specifications?
Yes
- Return vehicle to customer. Explain that modifying the engine hardware/software may cause the engine to run outside of its normal operating limits.
No
- Go To 4.
- Inspect vehicle/engine for signs of Engine or Fuel modifications that exceed OEM specifications.
- CHECK THE EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR
- Turn the ignition off.
- Disconnect the EGR Temperature Sensor harness connector.NOTE:
Check connectors - Clean/repair as necessary.
- Remove the Temperature Sensor and reconnect the wiring harness connector to the sensor.
- Turn the Ignition on, engine off.
- Monitor scan tool, while heating the sensor with an external heat source (DO NOT USE OPEN FLAME).
Does the reading from the sensor increase at least 2.78° C (5° F) on the scan tool?
Yes
- Go To 5.
No
- Replace the EGR Temperature Sensor in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
- EGR COOLER
- Remove and clean the EGR Cooler with approved Mopar EGR system cleaner.
- Reinstall the EGR Cooler.
- With the scan tool, erase DTCs.
- Turn the ignition off for 75 seconds.
- Start the engine. It may be necessary to test drive the vehicle.
- With the scan tool, read DTCs.
Did the DTC reset?
Yes
- Replace the EGR Cooler in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
No
- Repair complete.