Hyundai tranny problems?
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Junior User
Joined: Feb 2005
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Hyundai tranny problems?
My girlfriend owns a 2000 Hyundai Accent that has been having trouble shifting at highway and passing speeds. We brought it to the Hyundai dealership and they ran a diagnostic on it. They told us that the main problem was the mass airflow sensor. It seems to me that although there may be something wrong with the MAF this is not the only problem. They want to charge 500 dollars to change the sensor and cant guarantee that it will fix the main problem. I am thinking about buying the sensor myself which seems to be an easy enough job. I am fairly handy with cars however I am used to working on much older vehicles without all sorts of electronic gizmos. My question is should I go ahead and change the MAF, have Hyundai do it or not bother at all and get a second opinion on what is wrong with the car? Also is changing the sensor going to have any impact on the cars shifting? Seems to me that this repair wont have any impact on the transmission but like I said I'm unfamiliar with all of the electronics and computers in newer cars.
Thanks
Thanks
Senior User
Joined: Aug 2006
Posts: 363
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From: east dubuque, il.
Yes the maf can have an effect on the shifting. If the computer is miss reading the airflow, the engine will run differently and change how it shifts. Do you not have the 100k warranty? I don't see how they come up with $500 dollars to replace, it should be located on the rubber hose between the air box and the throttle body, easy access. The other thing to check for is corrosion on the ground connections. Many of the foreign vehicles seem to have problems with the grounds causing multiple problems. I recently read an article about a Mitsubishi car that was having tranny trouble. Turns out that they mechanic traced it to a bad ground on a tail light. He cleaned the ground and the problem solved.
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Thanks for the quick reply . I assumed the MAF would be easy enough to change which is why 500 seemed high I think they are just a pricey place. Im probably going to just buy the sensor from them and put it on myself. Unfortunatly the car was bought used so they will not accept the warranty which is BS if you ask me. I had already started checking some of the electrical conections going to and from the tranny figuring that could be a problem. I suppose I ought to check a few more for good measure.
Logistics Pro
Joined: Dec 2003
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From: Foothills of NC
Try cleaning the MAF with electrical contact cleaner. The sensor probably has dust or oil on the pickup (inside the air tube).
The 10 year 100,000 mile warranty is for the original owner. Any owner other than the original has a 5 year 60k bumper to bumper warranty.
The original owners warranty is 5 years 60k miles bumper to bumper, and 10 years 100,000k miles on powertrain.
I have an '02 Santa Fe (wifes) and an '05 Sonata to go along with my three Fords.
I have had excellent service out of the SantaFe, and the couple of minor things I needed fixed were handled immediately with no problems. I recently got the Sonata, so I don't have a track record for it yet.
The 10 year 100,000 mile warranty is for the original owner. Any owner other than the original has a 5 year 60k bumper to bumper warranty.
The original owners warranty is 5 years 60k miles bumper to bumper, and 10 years 100,000k miles on powertrain.
I have an '02 Santa Fe (wifes) and an '05 Sonata to go along with my three Fords.
I have had excellent service out of the SantaFe, and the couple of minor things I needed fixed were handled immediately with no problems. I recently got the Sonata, so I don't have a track record for it yet.
Senior User
Joined: Jan 2006
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From: eastern nc
I don't know if it applies to your situation, but look in your manual under emission controls. Some time ago my mom had to replace her egr valve on an Escort.(back in the 12 mo. 12k mi. warranty days) She paid the local ford dealer and went on, I found out later and looked up the emissions warranty. The feds. require certain things pertaining to emission control to have specific warranties regardless of the manufacturers warranty on the rest of the auto. In her case the egr was required to have a 50,000 mi. warranty.(she had about 40k on it) I told her to take her book and receipt back to the dealer and get a refund. She did and they wrote her a check while she waited.
They either didn't know or figured they would get it if they could.
Maybe it will apply to you and the MAF.
They either didn't know or figured they would get it if they could.
Maybe it will apply to you and the MAF.
