Re: Does OBD II code specify front or back O2? n/m - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: Does OBD II code specify front or back O2? n/m
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Posted by Dean (more from Dean) on Sun, 29 Feb 2004 14:43:27 Share Post by Email
In Reply to: Does OBD II code specify front or back O2? n/m, PeterH, Sun, 29 Feb 2004 13:00:17
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Yes.

The 4 cylinder engine has only one bank, sensors 1 and two.

The sensors get signal ground references from the exhaust system. Resistance in the sensors connection to the downpipe or in the flanges at the turbo can create signal faults with good sensors. So you can't just throw new parts at it, but that is often done. Resistance in the engine ground cable can be turned in to a varying ground voltage offset by the current from the alternator. So that needs to be checked to, but rarely is I expect.

P0130
O2 Sensor Circuit (Bank 1 Sensor 1)
P0131
O2 Sensor Circuit Low Voltage (Bank 1
Sensor 1)
P0132
O2 Sensor Circuit High Voltage (Bank 1
Sensor 1)
P0133
O2 Sensor Circuit Slow Response (Bank 1
Sensor 1)
P0134
O2 Sensor Circuit No Activity Detected
(Bank 1 Sensor 1)
P0135
O2 Sensor Heater Circuit (Bank 1 Sensor
P0136
O2 Sensor Circuit (Bank 1 Sensor 2)
P0137
O2 Sensor Circuit Low Voltage (Bank 1
Sensor 2)
P0138
O2 Sensor Circuit High Voltage (Bank 1
Sensor 2)
P0139
O2 Sensor Circuit Slow Response (Bank 1
Sensor 2)
P0140
O2 Sensor Circuit No Activity Detected
(Bank 1 Sensor 2)
P0141
O2 Sensor Heater Circuit (Bank 1 Sensor 2)
P0142
O2 Sensor Circuit (Bank 1 Sensor 3)
P0143
O2 Sensor Circuit Low Voltage (Bank 1
Sensor 3)
P0144
O2 Sensor Circuit High Voltage (Bank 1
Sensor 3)
P0145
O2 Sensor Circuit Slow Response (Bank 1
Sensor 3)
P0146
O2 Sensor Circuit No Activity Detected
(Bank 1 Sensor 3)
P0147
O2 Sensor Heater Circuit (Bank 1 Sensor
P0148
Fuel Delivery Error
P0149
Fuel Timing Error
P0150
O2 Sensor Circuit (Bank 2 Sensor 1)
P0151
O2 Sensor Circuit Low Voltage (Bank 2
Sensor 1)
P0152
O2 Sensor Circuit High Voltage (Bank 2
Sensor 1)
P0153
O2 Sensor Circuit Slow Response (Bank 2
Sensor 1)
P0154
O2 Sensor Circuit No Activity Detected
(Bank 2 Sensor 1)
P0155
O2 Sensor Heater Circuit (Bank 2 Sensor
P0156
O2 Sensor Circuit (Bank 2 Sensor 2)
P0157
O2 Sensor Circuit Low Voltage (Bank 2
Sensor 2)
P0158
O2 Sensor Circuit High Voltage (Bank 2
Sensor 2)
P0159
O2 Sensor Circuit Slow Response (Bank 2
Sensor 2)
P0160
O2 Sensor Circuit No Activity Detected
(Bank 2 Sensor 2)
P0161
O2 Sensor Heater Circuit (Bank 2 Sensor 2)
P0162
O2 Sensor Circuit (Bank 2 Sensor 3)
P0163
O2 Sensor Circuit Low Voltage (Bank 2
Sensor 3)
P0164
O2 Sensor Circuit High Voltage (Bank 2
Sensor 3)
P0165
O2 Sensor Circuit Slow Response (Bank 2
Sensor 3)
P0166
O2 Sensor Circuit No Activity Detected
(Bank 2 Sensor 3)
P0167
O2 Sensor Heater Circuit (Bank 2 Sensor 3)
P0168
P2231
O2 Sensor Signal Circuit Shorted to Heater
Circuit (Bank 1 Sensor 1)
P2232
O2 Sensor Signal Circuit Shorted to Heater
Circuit (Bank 1 Sensor 2)
P2233
O2 Sensor Signal Circuit Shorted to Heater
Circuit (Bank 1 Sensor 3)
P2234
O2 Sensor Signal Circuit Shorted to Heater
Circuit (Bank 2 Sensor 1)
P2235
O2 Sensor Signal Circuit Shorted to Heater
Circuit (Bank 2 Sensor 2)
P2236
O2 Sensor Signal Circuit Shorted to Heater
Circuit (Bank 2 Sensor 3)
P2237
O2 Sensor Positive Current Circuit/Open
(Bank 1 Sensor 1)
P2238
O2 Sensor Positive Current Circuit Low
(Bank 1 Sensor 1)
P2239
O2 Sensor Positive Current Circuit High
(Bank 1 Sensor 1)
P2240
O2 Sensor Positive Current Circuit/Open
(Bank 2 Sensor 1)
P2241
O2 Sensor Positive Current Circuit Low
(Bank 2 Sensor 1)
P2242
O2 Sensor Positive Current Circuit High
(Bank 2 Sensor 1)
P2243
O2 Sensor Reference Voltage Circuit/Open
(Bank 1 Sensor 1)
P2244
O2 Sensor Reference Voltage Performance
(Bank 1 Sensor 1)
P2245
O2 Sensor Reference Voltage Circuit Low
(Bank 1 Sensor 1)
P2246
O2 Sensor Reference Voltage Circuit High
(Bank 1 Sensor 1)
P2247
O2 Sensor Reference Voltage Circuit/Open
(Bank 2 Sensor 1)
P2248
O2 Sensor Reference Voltage Performance
(Bank 2 Sensor 1)
P2249
O2 Sensor Reference Voltage Circuit Low
(Bank 2 Sensor 1)
P2250
O2 Sensor Reference Voltage Circuit High
(Bank 2 Sensor 1)
P2251
O2 Sensor Negative Current Control
Circuit/Open (Bank 1 Sensor 1)
P2252
O2 Sensor Negative Current Control C ircuit
Low (Bank 1 Sensor 1)
P2253
O2 Sensor Negative Current Control C ircuit
High (Bank 1 Sensor 1)
P2254
O2 Sensor Negative Current Control
Circuit/Open (Bank 2 Sensor 1)
P2255
O2 Sensor Negative Current Control C ircuit
Low (Bank 2 Sensor 1)
P2256
O2 Sensor Negative Current Control C ircuit
High (Bank 2 Sensor 1)
P2257

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