I just had the engine light go on, on my 2003 Vette Coupe today. I took it to a parts store that offers a free code reading and it read:
BB Air System band 2 fault.
Explanation:
During the air system test the ECM looks for a a BB change in the O2 sensor voltage. No change was detected.
Probable cause:
- Air Pump electrical circuit fault
- Blocked Air syste.
- Failed air pump
My Vette runs perfect, with no signs of mechanical problems. The car is pretty much stock - other than a Corsa exhaust system and a K&N performance air intake (both that has been on it for 3 years.
You have any idea what is wrong . . .and does this sound expensive to fix. I'm planning on going to the Chevy dealer next week - but don't want to get hosed if it really isn't nothing to worry about.
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Best regards,
Bill
Calgary, Alberta, Canada
2003 Quicksilver roadster , 1SB, F55, QF5, MN6, Z06 Ti catback, 2 cat H-pipe & air lid, Euro red/amber tails, Vette Net, and HP Tuners s/w - available for free to anyone in Calgary
Thanks for the references. Wow - I didn't know this could be this complex. Well - I found out it was only an O2 Sensor. That was kind of odd replacing that with only 25M miles on the car. I'll remember this link for future.
Thanks !