Pinpoint Test B: Odour From Vehicle
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- NOTE: Aftertreatment components consist of some or all of the following: Catalytic Converters, Gasoline Particulate Filters, Diesel Particulate Filters, Selective Catalytic Reduction Catalysts.
Normal Operation and Fault Conditions
REFER to: Exhaust System - Overview .
Possible Sources
- Damaged or contaminated aftertreatment components
- Incorrect fuel or fuel with excessive sulfur content in fuel
- Rich fuel conditions
- Misfire conditions
Visual Inspection and Pre-checks
- Inspect for loose, damaged, contaminated or incorrect components.
- B1 CHECK FOR DAMAGED AFTERTREATMENT COMPONENTS ASSOCIATED SENSORS
- Inspect the aftertreatment components and associated components for damage.
Have the aftertreatment components or associated electronic sensors incurred damage?
Yes INSTALL a new aftertreatment components as necessary. No GO to B2 - B2 CHECK FOR INCORRECT FUEL OR FUEL WITH A HIGH SULFUR CONTENT
- Check the residual fuel in the fuel tank for incorrect fuel or fuel that contains a high sulfur content.
Does the fuel tank contain incorrect fuel or fuel high in sulfur content?
Yes Drain the fuel tank and flush the fuel system. Refill the fuel system with fuel containing the correct level of sulfur. No GO to B3 - B3 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION
- Using a diagnostic scan tool, perform the PCM self-test.
Are the powertrain controls operating correctly?
Yes The condition may be intermittent. Advise the customer no repair is required. No Correct and fix any powertrain control issues. Using a diagnostic scan tool, perform the PCM self-test. Test and confirm the issue has been resolved.