Join Date: Apr 2010
Location: hiding from those who might be looking for me
I dont own Hyundai car, I drive everybody else Hyundai during day
Mentioned: 75 Post(s)
Quoted: 1045 Post(s)
I have a problem now.
My car drives fine at normal speeds, but when in gear and idling, it idles a bit rough. Wife drove it a day or two and now today the check engine light came on. I scanned it and got six codes. P300, P303, and P305. All engine misfire codes. My gut is telling me that I'm off by a tooth on all the cams. When I checked them doing the job, the mark on the head lined up with the cam tooth that led to the cam mark, but the tooth was on the left side of the mark. All four cams lined up on this same tooth.
Before I buttoned it all back up, I even had a local mechanic neighbor take a quick look and he said it was lined up properly, but maybe he was mistaken as well? I know the crank cam was lined up properly, I don't think you can mess that one up.
1) Does this sound like a classic tooth misalignment?
[b]If the timing was off for 1 bank, you should have all cylinder on the bank.. (1 - 3 - 5), I would almost be more interested in burnt plugs and wires, and coils, as the 2.7 and 3.5 have habit of leaving of 1 bank with good looking plugs and other bank with nicely burnt plugs (real wide gaps), add in the long wires to get there.
2) Could the Crank position sensor be broken? It had no physical damage, only the plate on the cog was replaced.
[b]If crank sensor was broken, you have a no fire situation, it is possible for sensor to be on way out
3) If I am off by a tooth, is it just a retarded timing, or could I have possibly done some major damage to the valvetrain? Could one tooth be a killer?
Thanks for reading!
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