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Hatchbacks Toyota Yaris New Yaris Problem - A Lemon?
81 messages, Last post on Sep 08, 2009 at 6:57 AM
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Replying to: lhanson (Sep 02, 2009 7:49 am) The problem wasn't so bad yesterday before I dropped it of at the dealer. It seemed that if the day is hot, I tend to notice the dragging more. Hopefully the dealer will feel the same problem and tell me what it going on.
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Replying to: thecatman (Sep 02, 2009 9:00 am)
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Replying to: lhanson (Sep 04, 2009 8:21 am)
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Replying to: thecatman (Sep 04, 2009 10:28 am) |
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Replying to: lhanson (Sep 02, 2009 7:49 am) On my yaris, the cruise gave out a surge due to incorect voltage whch blew the throttle sensor and you guessed, the damn thing broke down! This condition will always exist as I said before, the yaris is not wired for this. If you were to purchase a yaris with the 'convenience' package that includes the proper cruise control unit fiited by toyota at the factory with the proper wiring then you should not have any problems but do not fit the aftermarket cruise control it will seriously mess up your car if not invalidate any warranty you may have. As for the rough driving, the automatic yaris is programmed to downshift when going downhill as an emmission control feature, it's very annoying but that's the way it is. As far as I am concerned, there should be no sudden downshifting except maybe at very low speed. If anything like that is happening, get rid of it and get a Nissan or a Mazda.
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Replying to: phllbit (Sep 06, 2009 7:56 am) |
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Replying to: phllbit (Sep 06, 2009 7:56 am) No, not automatically. If there's a problem with the car, Toyota would need to prove the aftermarket part caused the problem in order to deny a warranty claim. |
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Replying to: liam3 (May 12, 2008 3:47 pm)
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Replying to: 63pont (Sep 07, 2009 11:33 am) I told him that doesn't make sense, and while it feels like it's in lower gear, I don't believe that's the case. When the car is doing 50 and dragging, I can shift from D to 3 and you can feel it downshift. When it upshift it goes back to normal. But if it was already in 3 gear it wouldn't do that, and I'm going to fast for it to be in 2nd. It seems the problem has gotten better as colder weather sets in, although this morning it was the worst it's been in a week. It's not really bad, just annoying when you want to coast and feel the car holding back and slowing you down from time to time. Maybe after it breaks in this will improve. Other than that I have no problems with the car. The after-market cruise works fine, perhaps not as well as the factory, but I've taken it on a 2 hour trip without a problem. When I talked to the dealer he said I won't have the same problem mentioned, so I hope he's right. That's the update on my car at 2,500 miles. |
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The automatic has an overdrive (I don't think it's even called that, it's not quite a "5th" gear, but it's there). If you pay close attention while accelerating to highway speeds you'll feel it do a final shift. You can test it by manually up-shifting the gear selector. Go from 2nd to 3rd then over to "D" while you accelerate onto the highway. You'll feel the shift from 3 to "D" and then you'll feel another shift after that initial one. The downside to that is, it's geared in such a way that it falls out of it easily. A slight rise in road grade or the difference in drag between changing lanes from behind another car into open air will cause it to come down to regular D and it will tend to stay there beyond say the crest of a hill before going back to high D. Its goal is better highway fuel economy, but the problem is it's impractical to drive the vehicle in such a way as to use it - heck the car can't drive itself in such a way. The only way to keep it from falling out of high D is to accept minor decreases in speed. We as humans, and of course the cruise control, will typically adjust to maintain a specific speed therefore forcing the transmission to adjust. I can't really call it a design "flaw", but it's certainly not the best execution. It can be made to work for you, but you have to be feather-light on the gas pedal and be willing to sacrifice cruise speed to keep it in that high D.
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