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Question

my check engine light is on. i had it read and it came up with a code that autozone did not know. the code is "B0423"

Submitted: 132 days and 15 hours ago.
Category: VW
Value: $15
Status: AWAITING CUSTOMER ACTION
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Optional Information

Year: 1999
Make: Volkswagen
Model: Jetta

Already Tried:
my check engine light came on and the code that came up is B0423. What does that mean?

Answer

P0423 Heated Catalyst Efficiency Below Threshold, Bank 1

There are no B codes on VWs. so I am thinking you meant P code. The cat convertor on this vehicle has an extended warranty for 10 years 120,000 miles. So if your vehicle is under that it would be covered under the Emissions extended warranty that is if you have the 2.0 engine

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Expert: David
Pos. Feedback: 99.8 %
Accepts: 
Answered: 7/13/2009

VW Master Technician

VW Master Technician Certified for 9 years, ASE Master Technician Certified

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