A look at what Bosch has done with the oxygen sensor. Find all the details inside Popular Hot Rodding Magazine.

The oxygen sensor was replaced but the 'check engine' light won't go out. Now what? Which octane fuel is best? AAA's Car Doctor has answers.

Owners of 2007-09 Honda CR-V models may come into your store with the check-engine light illuminated and one or more of the following trouble codes stored in PCM memory: P0134, P0135, P0171 and P1157.