1998 Accent Problems

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ym3us

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I took my '98 Accent to Autozone to have the check engine light checked. These are the codes that came up:

P0447 - "The PCM has determined that a open circuit condition exists in the electrical circuit for the vent control in the evaporative emission control system." A friend of mine that's familiar with cars told me it was the gas cap and not to worry about it. Another told me it might be a hose that's leaking/torn.

P0733 - "The PCM has detected an incorrect gear ratio condition in 3rd gear."

P0717 - "The PCM has determined that there is no input voltage signal from the turbine speed sensor."

P0722 - "The PCM has determined that there is no voltage signal from the output speed sensor."

One code didn't have an explaination - P1614.

Does anyone know anything about these codes? I would REALLY appreciate anything you can tell me.

Thanks.
 
P0447 is strictly an electrical circuit code. You should look for damaged wiring in the neighborhood of the charcoal canister and check to see whether the close valve (this will be the electrical device attached to the canister) is plugged in.

P1614 means that the transmission computer has requested a check engine lamp. See P07xx below.

P0717 and P0722 are for incorrect or no signal from your transmission input and output speed sensors. They come together as an assembly and are called pulse generators. There are known issues with these. Replace them and check the wiring in the vicinity.

P0733 means that the transmission is "slipping" in 3rd gear. The computer's ability to determine this is dependent on proper operation of the pulse generators, so don't even try to address this code unless you've cleared the codes, made the repairs for P0717 and P0722, and the P0733 came back but the others did not.
 
Damn! I never expected this much information! Thanks a lot!!!!

Do u have any idea what all the repairs would run me if I had them done by a dealership?
 
At my dealership, rough estimate for the pulse generators would be $200-250. We're in a high rent district, so unless you're in New York or LA, expect less. The P0447 will require some diagnostic work, so the cost to repair will depend on how long it takes to trace and locate the electrical problem and exactly what is required to repair it.
 

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