That Check Engine light can mean so many different things, as can any noticeable difference in your car's performance or weird sounds. Fortunately, there are ways to narrow down the problem using ...
Q: My check-engine light came on this week. My neighbor used a scanner to read a code P0171. What could cause this? — Paul Guthrie A: A P0171 indicates the engine’s cylinder bank 1 is running too lean ...
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