LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Porsche >> 2003 >> Boxster S, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DME 7.8 Diagnosis >> DTC P0156: O2 Sensor Circuit >> O2 Sensor Circuit Slow Response
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

O2 Sensor Circuit Slow Response

Diagnostic conditions 

Possible cause of fault 

Affected terminals 

None

Diagnosis/troubleshooting 

NOTE:
  • Do not use contact spray on the oxygen sensor plug connections as this may cause irreparable damage to the wiring (contamination of the oxygen sensor via the reference air channel).
Fig 1: P0156 Work Instruction (O2 Sensor Circuit Slow Response)
G02530309Courtesy of PORSCHE OF NORTH AMERICA, INC.
scientia non olet · About LEMON Manuals