Diagnostic Test
WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With the scan tool, read DTCs and record on the repair order.
Are any Camshaft Position Sensor or Variable Valve Actuator (VVA) DTCs present?
Yes
- Perform the applicable diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .
No
- Go To 2
- CHECK THE AIR FILTER
- Remove and inspect the Air Filter and air intake duct work.
Is the Air Filter dirty or any restrictions found?
Yes
- Replace the Air Filter or remove the obstruction.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 3
- Remove and inspect the Air Filter and air intake duct work.
- CHECK FOR CONTAMINATED FUEL
- Inspect the fuel for contamination. (Dirt, water, or other foreign material)
Is the fuel contaminated?
Yes
- Drain the Fuel from the fuel tank into an approved gas holding tank and add clean fuel. Refer to the appropriate service information .
No
- Go To 4
- Inspect the fuel for contamination. (Dirt, water, or other foreign material)
- VISUALLY INSPECT THE THROTTLE BODY PLATE
- Turn the ignition off.
- Remove the Air Cleaner Assembly from the Throttle Body.
- Check for any signs of a foreign material (ice, dirt, or excessive carbon build up) on the Throttle Plate or in the bore causing the Throttle Plate to stick or restrict airflow.
Were any signs of foreign material or scoring of the throttle plate or bore found?
Yes
- Remove the debris if possible or replace the Throttle Body Assembly. Disconnect the Battery when replacing the Throttle Body Assembly. After installation is complete, use a scan tool and select the ETC RELEARN function.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 5
- CAMSHAFT POSITION SENSOR CIRCUIT WIRING OR CONNECTORS
- Turn the ignition off.
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Camshaft Position Sensor and the Powertrain Control Module (PCM).
- Look for any chafed, pierced, pinched or partially broken wires.
- Verify that there is good pin to terminal contact in the Camshaft Position Sensor and the Powertrain Control Module connectors.
- Look for broken, bent, pushed out or corroded terminals.
- Inspect the Camshaft Position Sensor for conditions such as loose mounting screws, damage or cracks.
Were any problems found?
Yes
- Repair as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Check for any mechanical issues that could cause this condition including but not limited to vacuum leaks, low cylinder compression, restriction in airflow in the intake air system, valvetrain issues, etc.