Malfunction indicator lamp is on with diagnostic trouble code P0420 (catalyst system efficiency below...
Acura technical service bulletin 03027 for 1999 Acura TL.
- Bulletin number
- 03027
- Component
- Engine and engine cooling: exhaust system: emission control: catalytic convertor
- Summary
- Malfunction indicator lamp is on with diagnostic trouble code p0420 (catalyst system efficiency below threshold) is stored. Tt mj
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