2000 toyota sienna ce 3.0 code po301

Question

2000 Toyota Sienna CE. Engine code po301

Answer 1

Hi there,

This code is for a cylinder misfire on cylinder #1. This is usually an issue with an intake manifold gasket, spark plug or spark plug wire. Sometimes you can find a bad coil or plug wire by spraying some water on the plug wires with the engine running. If there is a problem, usually it will start to arc or run rougher.