A Vehicle Is Brought in for Repair with the Complaint

question 22

Multiple Choice

A vehicle is brought in for repair with the complaint of poor fuel economy. A diagnostic scan tool is attached to the DLC with the vehicle at operating temperature, and the technician determines that the precatalyst oxygen sensor voltage is biased high, the injector pulse width is long, and both STFT and LTFT are high. All of the following conditions could cause this EXCEPT:

• A) high fuel pressure
• B) open coolant temperature sensor circuit
• C) TP sensor voltage fixed high
• D) MAP sensor output indicates high load condition

---

Definitions:

Home Discourse

Conversations and communication patterns that occur within a household among family members.

African American Families

Families identified or classified as having African American heritage, foregrounding the unique cultural, historical, and social experiences within the United States.

Instructional Discourse

The ways in which teachers and students communicate, especially the language and strategies used to impart education.

Formal Education

Structured learning that occurs within an institutional setting like schools or universities, following a set curriculum.