LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jaguar >> 1997 >> XK8 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Diagnosis & Testing >> Pinpoint Test D: P0140 >> D5: Check For O2 Sensor Failure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

D5: Check For O2 Sensor Failure

  1. With the conditions held as D4, suddenly accelerate to approximately 2500 rpm
    Fig 1: Checking For O2 Sensor Failure (With Conditions Held as D4)
    G04355483Courtesy of JAGUAR CARS, INC.
    • Has the voltage risen to between 600mV and 1 volt? 

    Yes  : GO to D6 

    No  : Renew O2 sensor; reconnect plug(s)

    GO to D7 

scientia non olet · About LEMON Manuals