Note On Intermittents

Check for Electromagnetic Interference (EMI) induced on circuits No. 400 and 401 by running them close to spark plug wires or high power transmitters (mobile radios) operating in vicinity.

Fig 1: Code P024 Schematic (4.6L)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Code P024 Flow Chart (4.6L)

Courtesy of GENERAL MOTORS CORP.