× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2006 Pontiac G6 2.4L MIL Lamp on
Posted to GM Driveability on 12/28/2011 12 Replies

Road test, runs fine. Code [...] inefficient. Watch data stream and find that cat monitor lazily hangs out around 0.8v regardless of engine speed, load, added fuel. Occasionaly the V will drop to low around 0.2. I know what a cat mon should look like after war...

12 Replies Received (View Replies)

  Related Documents & Media  2006 Pontiac G6

 
Message Closed w/FIX

car Vehicle Data

2006 Pontiac G6

VIN 1G2ZF55B76
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter Monitor Runs.

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

2006 Pontiac G6

VIN 1G2ZF55B76
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter Monitor Runs.

Trouble Codes

P0420Catalyst Efficiency Below Threshold (Bank 1)