2001 Cadillac Seville STS 4.6L MIL Lamp on
Applied scan tool and operated AIR pump while monitoring O2 sensor data. Heard AIR pump turn on and saw Bnk1 Sensor1 O2 drop too 30 mV, other O2 sensors dropped to or around 0 mV. According to diagnostic chart system is working OK as long as B1S1 O2 drops belo...
Summary posted 8/13/2013
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 10 Replies Received (View Replies)10 Replies Received (Hide Replies)Related Documents & MediaRelated Documents & Media |
Message Closed w/Summary
Vehicle Data2001 Cadillac Seville STS
Trouble Codes
|
Message Closed w/Summary
Vehicle Data
2001 Cadillac Seville STS
VIN | 1G6KY54991 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Misc. | A.i.r.system Issue |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P1415 | Secondary Air Injection System (Bank 1) |