Your car’s performance depends on precise control of air, fuel, and spark, and vacuum leaks quietly disrupt that balance.

The P2135 code indicates that the engine control module (ECM) has detected a mismatch between the voltage signals of Throttle ...

How much power is a throttle body upgrade worth? The question seems simple enough, but the answer is somewhat less so. Power gains seem to range from a little as 0 hp to as much as 25-30 hp. It seems ...