Code P0302 on ford f150 97 4.2 - Cars & Trucks

I would think this should tell you you have either a bad spark plug or plug wire. If not, check compression on no.2 to check for burnt valve or worse.

Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector

did you google these codes?

Try switching coils and see if problem follows coil. Same with plug wires, try switching wires.

The code P0302 means Cylinder 2 Misfire Detected. Hope it can help you. Good lucky!
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renault diagnostic

Since you've replaced everything on that cylinder, the only other possible cause is heavy carbon build up, not allowing the valves to seat properly, or you just have a bad valve sealing condition in general. Best way to find out is a cylinder leak down test. It will show things a regular compression test won't.

P0302 is a misfire in cylinder #2. When was the last time you changed spark plugs? That's the most common cause of a misfire.

P0302 IS MISFIRE ON# 2 CYLINDER P0316 I THINK IS KNOCK SENSOR BUT IM OLNY 90% ON THAT

Look at the wire and plug to cylinder 2, for cracks or damage, if nothing is found run a compression test need 100psi min, and then check the injector, you need to meshure resistance with a multimeter, and compare to other injectors something like 12 to 15 ohms would be good i think.

P0302 is cyl #2 misfire and the other 2 are lean or rich codes because of the misfire repair code P0302 first and the other 2 codes will most likley clear up.