TSB Document:

Affected Component: BACK OVER PREVENTION

Summary
???Due to an unfavorable operating point primarily in the low-end torque range, the fuel vapor scavenging that takes place in that range may result in incorrect detection of a mixture that is too rich. As a result, an incorrect mixture adaptation value is stored.

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Date Published
NOV 01, 2021
NHTSA TSB #
10205615
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