Pre spark detonation
changed the Coil. cyl 4. got another check light.. p0304 p0316.. misfire again...
im gonna change the o2 sensor. i was on f150.net and found a post, pretty much excat to my problem, the guy changed injectors, plugs, and coil then the o2 sensor and it fixed the problem.
im gonna change the o2 sensor. i was on f150.net and found a post, pretty much excat to my problem, the guy changed injectors, plugs, and coil then the o2 sensor and it fixed the problem.


