Pinpoint Tests RA: Catalyst System: Introduction
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NOTE:
Only use ultra low sulfur diesel fuel that is 20% or less biodiesel with this vehicle. Use of any other fuel type may damage the vehicle or cause an emission concern. Refer to the Owner's Literature for additional information.
NOTE:
Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.
This pinpoint test is intended to diagnose the following:
- catalyst system
- oil consumption
- fuel quality
- reductant quality