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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Engine Controls Self-Diagnostics - 2.4L) >> Diagnostic Tests >> DTC P0130: Ho2S Circuit (Sensor 1) >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 2

    When the system is operating correctly the O2S voltage should toggle greater than and at less than the specified values.

  2. 5

    The specified value is what is measured on a correctly operating system.

  3. 6

    The specified value is what is measured on a correctly operating system.

  4. 12

    This vehicle is equipped with a PCM which utilizes an Electrically Erasable Programmable Read Only Memory (EEPROM). When the PCM is replaced, the new PCM must be programmed.
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