
1999 Chevrolet Tahoe LS 5.7L Excessive Emissions, Poor Idle Quality, MIL Lamp on
Hello Techs, having a hard time with this one codes po1133 b1 s1 no activity code po1153 b2s1 no activity this is verified on genysis and snap on scanners have checked usual culprits no restrictions in air cleaner, fuel pressure and volume are fine no vac leak...
FIX posted 8/11/2005
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Message Closed w/FIX
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VIN | 1GNEK13R4X |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet Tahoe LS
VIN | 1GNEK13R4X |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |