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Engine Hesitation (All makes/models)
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Your relacement part: 35290-45010 SOLENOID ASSY, LINE , is it possible a new part number ?
Some reason I could not find above part number for my car ?
What I found as list below:
- 5 Speed Pressure Solenoid . 3529033010
- 5 Speed Shift Solenoid
19- 3 Way . 3524033030
20- #1 . 3523033010
20- #2 . 3523033020
- Clutch Control Solenoid
18 - #1 . 3521033010
18 - #2 . 3522033010
18 - #3 . 3527033020
But now that I've driven for a few days, I have noticed a dramitic improvement in the hesitation and responsiveness of the RX330. For the most part, the ECU is making fast gear selections, and the acceleration arc is smooth(er).
It's not perfect though. When driving at 40mph, then slowing or braking down to 30mph, then hitting the accelerator, there is still significant (although less than before) hesitation, of 1-1.5sec. The car downshifts into 3rd gear fast, but does not respond and accelerate until shifting into 2nd. My point, the car still goes through 2 gear shifts, but quicker. However, there's still hesitation. Also, the RPMs hung up a few times at 4K for 1-2 seconds without my foot on the gas. Similar to what had been happening before the new TSIB.
At this time, I'd say there is significant improvement in the responsiveness of the RX330. My jaw is no longer clenched when I drive. But it's not perfect. It's still a problem when I slow down behind a car, signal into another lane, then try to accelerate out and get 1-1.5sec hesitation.
This is definitely a step in the right direction.
About the only 2 complaints I have are: 1) the feeling that sometimes when traveling at low speed and part throttle, when you try to lightly accelerate the car does not appear to be in any gear but abruptly shifts into gear (annoying). And 2) sometimes when traveling about 30+ mph and at moderate throttle, the transmission will shudder when shifting from what I think is 2nd to 3rd (or maybe 3rd to 4th).
All in all the car is much less annoying to drive. This evening my wife was driving and felt the need to accelerate quickly from a dead stop through a left turn. I was in the right front passenger seat and felt the car performed well (or more like a normal car should).
Hope those of you that found your cars transmission overfilled had good results after removing the overfill. Any one found a procedure in their (2003 Camry) Owners Manual yet for checking transmission fluid level?
Is still intend to write Toyota and ask at least for an extension on my warranty (maybe even a new transmission) and an explanation. I will likely wait until after a short vacation end of June (we are driving the Toyota to a city in another state). I suggest all of you that are having problems of any kind write letters to Toyota documenting the symptoms and keep your warranty inspection/repair invoices.
Also, I noticed that the transmission was more responsive with car's full load vs. light load.
Any thoughts ?
post solenoid and fluid level change, your vehicle doesn't have the hesitation correct - just some vagueness in shifting?
It's simply not possible to drive this Solara smoothly, because you never know from one second to the next whether or not your input to the gas pedal will be translated to the engine. In short, it's a lovely little car except that it's undrivable.
I took my local service manager for a long drive so he could experience the hesitation phenomenon first hand, and he is now a believer. He's been in touch with other service managers about trying to find a fix at their level. They report that the newest Solaras no longer have this problem, and they are hearing rumors that there is a solution somewhere in the pipeline, but that's ALL they know.
REALLY! MESSAGE TO DAVE: READ THIS FORUM, THEN START DEBUGGING!
Section addressing failure modes of the electronic throttle control system.
" ! CAUTION
Be especially careful to prevent erroneous pedal operation."
Who wants to volunteer to be the person to ask Lexus how many erroneous gas pedal positions and/or operations exist?
I have a 2001 Chevy Prizm with 60000 miles. After running it hard in hot weather and letting it sit, but not cool completely, it will hesitate under re-start and under load the first 30 seconds of driving it. This is usually fixed by putting the clutch in and raising the RPMs a bit and then continuing to drive. It has gotten worse as of late and I am noticing some back firing at highway speeds. Any thoughts?
Engine backfires:
*emission control system not functioning properly
*ignition timing incorrect
*faulty secondary ignition system (cracked spark plug insulator, faulty plug wires, distributor cap and/or rotor)
*problem with the fuel injection system
*vacuum leak at fuel injectors, intake manifold, air control valve or vacuum hoses
*valve clearances incorrectly set and/or valves sticking
engine stalls:
*idle speed incorrect
*fuel filter clogged and/or water and impurities in the fuel system
*distributor components damp or damaged
*faulty emissions system components
*faulty or incorrectly gapped spark plugs
*faulty spark plug wires
*vacuum leak in the fuel injection sytem, intake manifold, or vacuum hoses
*valve clearances incorrectly set
I was keying in on his words "when hot" and "30 seconds".
I'd throw in a brand new set of spark plugs and see how the car behaves. If it runs great for a while and then repeats the symptoms, you know something is fouling the plugs. If the new plulgs don't change a thing, that points me to something else--but it has to be something that is likely to be intermittent--- a cracked distributor cap really doesn't qualify, nor does a bad valve adjustment, and plug wires usually stay bad unless they get wet sometimes.
it's hard for ignition timing to change very much on a modern car.
I have been posting in Avalon 2005+ about my transmission issues. I have been at this since April 5th when I got my car. I have called and registered with the Toyota center. They have since closed my case. They tell me there is nothing to be done with the hesitation problems. I am being told "the car works as designed". Being a software engineer myself I can assure you, we would not be in business if we said that. They told me to take it to arbitration if I can not live with it. Strangely, the dealership has told me the same thing. I get the distinct impression this is going to be a long a protracted battle. I have filed with NHTSA. I was the first to file for the 2005 Avalon. If there are others of you out there PLEASE join the club. I will have them check the transmission fluid when I take it in for yet another round of fixing other minor problems I have found with the car. I am hesitant to reset the ECU. While the car still has issues (~20% of the time). They were much worse ~95% of the time when I first started driving the car. Has the reset helped anyone?? Finally, my dealership had the tech guru for my region drive the car (they, guru and service manager, said there was nothing wrong). However, my service manager also says that there are Avalon, Highlander, Camry, Mercedes, and BMW owners that have this problem and he has seen it in these other cars. He told me I should be glad I did not pay more for my headache. I do not remember buying a headache. I could swear I was buying a car.
Is the Toyota District Manager the same as the tech guru? This is the first time I have heard of this person. I am so ready to park my car out front and tell people not to buy the car but my dealership has listened to my requests, tried to see the problem, and called in this tech guy. My beef is not with the dealership. MY BEEF IS WITH TOYOTA ! I have copies of my visits and notes concerning my calls. I did contact the green hill company that someone mentioned in the other column as Toyota's software provider but it turns out that they only supply the computer hardware. They said if I had software issues to contact Toyota. I told them I already had but to no avail. Has anyone else done Arbitration with Toyota on this matter?
I took the car to my parents in Ohio over memorial day holiday weekend. I had the same problems I have had all along with hesitation and increased revving of the engine before it will shift to 2nd and 3rd gears on city streets after I get off the expressway. wwest's explanation of why the problem was happening actually made sense. My question remains can it or will it be fixed? :confuse:
While I am not an expert mechanic, I have a lot of experience rebuilding engines and transmissions (including a 1984 Toyota Corrola automatic). I am also an electronics engineer by education and occupation, and I have experience in electronic control systems. While I know that some that post to this board find it hard to believe that the more significant symptoms could be related to simple fluid overfill, Ockam's razor (William of Ockam) indicates something like "all things being equal, the simplest explanation is usually the best". I think it is worth the time for you to have the fluid level checked by someone you trust. Remember, make sure the car is completely warmed up and on a level surface. Be careful as this particular dip stick has a metal tang that locks the head of the dip stick in place. The tang must be pushed aside in order to remove the dipstick.
Good luck with your car. I know just how your feeling. I hope this helps.
Now I have to learn the car driving habit, not the other way around! :mad:
and after a few months, the sheep fall into line and cease to whine..but I don't blame ya, I've resigned myself to just getting used to it too. I do owe it to oldworldmech to at least bring it in and drain the excessive tranny fluid and report. While it may help, I doubt it will fully fix the problem.
I sure hope I never have to try to sell this thing. Then I'd be sued for dangling them out in traffic...
once you know what solved one owner's problem (and hopefully the hesitation at least is solved for bkinblk), you can go to your dealer and tell them something they don't know.
...its possible that the transmission solenoid replacement is a very expensive and labor intensive operation that they wish not to entertain.
bkinblk - what did your work-order say in terms of labor hours?
In my world things have to make "some" sense.
Again, my feeling hasn't changed about this issue.
Whenever a problem does not occur in 100% of cases, it usually has more than one cause.
there is the vague shifting, and there's the hesitation.
http://www.detnews.com/2005/autosconsumer/0506/01/G01-199626.htm
It would be a real bummer to get it back and have the problem be worse. Right now, it hesitates from time to time, but overall I can manage it.
I think I'll probably "wait and see" a while longer before I decide whether or not to bring it in...
This situation has occurred since I purchased the car used about a year ago Caddy dealer not helpfull at all states no problem.
If you find the problem please post it. I will do the same.
Temps were from 31 to about 50 degrees, and we had snow falling for several hours of driving. This car had 3,000 miles of rental driving on it when I picked it up. For the record, we averaged well over 30 MPG on this trip...34.5 on first tank, 32.6 on second, and 33 on third. I actually thought the gas guage was broken, with the trip odo reading 330 miles at half tank! With 4 adults and a lot of stop and go sightseeing in the park. A lot of low speed driving, and I expected to feel some of the issues that have been mentioned here.
Overall, a very nice trip..now back to my regularly scheduled life. :-(
Yes, he's often one and the same. The Lexus District Service Manager who services about a dozen dealerships in California is apparently the same guy that teaches the mechanics all about the latest technical matters. He would be intimately familiar with all of the problems that owners typically report, and any Technical Service Bulletins (TSBs) in order to address those problems --if a workable fix has been developed. The Toyota District rep will work the same way as the Lexus rep; indeed, he/she may be the same person.
Don't hold your breath for a fix or a fair shake. What you will likely be told is that the car is operating normally. That's S.O.P at the dealerships. Toyota/Lexus must have deduced that it's cheaper to buy back some cars, and pay some lawsuits after people are maimed or killed in their cars, rather than recall and fix these defective vehicles. So much for Lexus' "Passionate Pursuit of Perfection".
I'm moving ahead with arbitration on my 2005 Lexus RX330, the one with the slip'n slide transmission and the extra loud, extra noisey interior.
But, I'm used to choosing my own gear via the shifter in a '96 prizm, and I tend to wrap it up a good bit before going on to the next gear. Plus, I've always thought my wife's '99 Camry shifted *funny*. It does some of the things this car does, like shift to 4th where I would've been in 2nd in the prizm.
It drove me nuts the first couple of weeks, but now I've gotten kind of used to it and it doesn't really bother me. I had a BIG case of buyer's remorse too since this was the first new car I've ever bought (usually buy beat up econo-cruisers), I'm sure that played a part in the annoyance factor.
Right now though I'm enjoying the car and don't feel this is a safety issue in the slightest. Though, I realize I may not be experiencing what you guys are talking about.
Please post, if someone has found the actual solution.
xpfshost
What are the details of the TSBs?
Do you know if there is a sepersate TSB for the other Toyota models using the same engine/transmission? ie: Highlander?