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.

A:The Flex Fuel sensor is located near the fuel tank in series with the fuel pressure line routed to the engine (fuel injectors). The sensor detects the amount of alcohol (ethanol) in the gasoline mix ...

Whether your vehicle is more than 20 years old or just 20 days old, has fuel injectors or a carburetor, it probably has the same basic parts in its fuel system with one exception: On modern vehicles, ...