
2005 Buick Rendezvous CXL 3.4L MIL Lamp on
Hello all, I have this pesky Buick rendevous that keeps setting the infamous P0420. We had this vehicle in before and I had replaced the cat converter (only has one, shared with both banks)Rear HO2S mirrors primary sensor just like it did before. It was fine a...
FIX posted 2/6/2015
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Message Closed w/FIX
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VIN | 3G5DB03E45 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / MFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2005 Buick Rendezvous CXL
VIN | 3G5DB03E45 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / MFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |