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.

Possible Causes

GOOD TRIP EQUAL TO ZERO
EXHAUST LEAK
RESISTANCE IN THE O2 SENSOR SIGNAL CIRCUIT
RESISTANCE IN THE (K4) SENSOR GROUND CIRCUIT
O2 SENSOR

Fig 1: Diagnosis Procedure - P1195, P1196 Slow During Catalyst Monitor (Test 1)
Courtesy of DAIMLERCHRYSLER CORP.

Fig 2: Diagnosis Procedure - P1195, P1196 Slow During Catalyst Monitor (Test 2 To 5)
Courtesy of DAIMLERCHRYSLER CORP.