Tag: K20A3

Buying or restoring an Acura RSX? Learn where to check the VIN, engine number and transmission identification before assuming the drivetrain is original.

A manual Acura RSX that has electrical power but won't crank may have a clutch interlock problem. Learn how the switch works and what to test next.

The RSX oil pressure switch has a well-earned reputation for crying wolf. It fails, the light comes on, and the internet tells you to replace the switch and move on. That advice is correct roughly half the time — and engine-destroying the other half. Before ordering parts, spend twenty minutes confirming whether the K20 is lying to you or asking for help. The test is straightforward. The cost of skipping it is not.

A warm Acura RSX should not remain at 1,500 or 2,000 RPM. Diagnose vacuum leaks, throttle operation, IACV control and PCM sensor data before adjusting anything.

If your Acura RSX starts and then immediately stalls, check the immobilizer, fuel pressure, throttle body, vacuum system, sensor data and idle learning before replacing parts.

If your Acura RSX cranks but won’t start, the engine is usually missing fuel pressure, spark, injector pulse, compression or immobilizer authorization. Here’s how to test the real cause before replacing perfectly good parts.

The K20A2 and K20A3 share the same 2.0-liter K-series architecture, but their compression, VTEC hardware, output and performance potential are substantially different.

So you own a 2001-2003 Honda Civic EP3 and want to find out how to swap a K20A2 into it. Although your Civic shares...

Bench testing a component of your vehicle is never a good time, in fact it can be described as miserable especially when you don't...

The successor to the extremely popular DOHC B series engines from Honda, the K20 engine is the first engine in the K...