Accent LC (2000-05) :: Check Engine Code 0734 / Rattle In Transmission
Feb 14, 2012
Last weekend on my way home from work, I heard this small "thump" noise then a rattling noise started. It really sounds like spinning a marble in a plastic bottle.
I got the car checked and we got code 0734 (Gear 4 ratio incorrect). We think there might be a tooth missing on the gear, but the mechanic wasn't entirely sure, as he wasn't a transmission specialist.
Now, I fear this may cost me my first born child, and I might just end up buying a cheap car for the Winter and get rid of this one; the transmission repair costs are ridiculous.
I've been driving the car in the city (30-50 km/h at most), I'm trying to avoid the highway, I'm afraid I'll blow it, who knows.
It has an automatic transmission, with 125,000 km on it, 2003 make.
The noise only happens when the car is moving forward, not when idling/parked, not in reverse. I am very gentle with the car, no highway speeding, no sudden speeding. I did however do an oil change a little over a month ago, and read somewhere on here that if the wrong fluid was used during maintenance that it could cause problems. I will call the shop and ask them about it.
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Got this engine code error, how to proceed?
I have a '00 accent, just purchased a few days ago from a private party, when I bought it, I had a mechanic look it over, gave me the OK and said it passed inspection, no mechanical or obvious running problems with the car.
So I was driving around yesterday and the check engine light came on, took it to get the oil changed because I wasn't sure last time it was done, had the oil changed, light stayed on.
So I took it to auto zone to read the error code, was given this information. How to proceed?
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After that I reconnected my battery and sure enough no engine light and my idle felt even better than before. (by the way my old plugs looked normal) But shortly down the road the light came on again. My idle did become a little different but not like my first encounter with the engine light. My power too seems a bit degraded, as well as the engine's sound. As of right now I am only reading one code P0422, which I do not see in the manual. I read online that its probably my catalytic converter or my engine is running at an improper air/fuel ratio. I am praying that it is not my catalytic converter and just my engine computer throwing things off.
Other things which may serve as clues:
Slight valve cover gasket leak (I will change the gasket when I do my timing belt job along with other seal and probably the water pump)
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So I bought a 2000 Hyundai Accent for my 16 year old daughter and the guy sold me a car that has a slipping trans. So I went to the Autozone and had the codes pulled and it was a P0734 code. I replaced the trans fluid and replaced the internal bearing and shim with the 42220LK kit from whatever it takes transmission parts store. Trans still slips. What else or should I just unload it?
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