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Toyota Prius Engine Problems

54 messages,  Last post on Nov 04, 2009 at 11:24 PM

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What is this discussion about? Toyota Prius, Engine, Fuel System

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#42 of 54 Re: Car WON"T START [chazz5] by chazz5 Mar 18, 2009 (10:33 am)
Replying to: chazz5 (Mar 17, 2009 6:55 pm) I found the issue. My 2 year old was playing near the gas and break peddles and must of hit one or both buttons underneath the steering wheel. One button says ( Key) the other says (Reset). I never use my Key Fob in the so called Key ignition so I put in the key fob and pushed in the Key and Reset buttons and pushed the start button and the car is running fine now. Replies to this message: kdhspyder (May 23, 2009 9:48 am)
#43 of 54 Re: Lost of power while diving [Wool948] by cathie2 Mar 21, 2009 (10:35 am)
Replying to: Wool948 (Mar 13, 2009 6:50 am) I'm responding to Wool948. I have had a very similar situation, but not with the gas light. The last 2 weekends I've been driving approximately 86 miles one way. On the way home at about 133 miles all of a sudden all my dashboard lights come on and then the car kind of "hiccups" and I lose all power. The first weekend I had it towed and they had the car for 4 days. They said they couldn't figure out what it was and looking at the warrenty work, only 2 other cars came in with a similar problem and never returned again for it. So I picked up the car. The next Saturday night I went to the same place and again on the way home, it started it again. At 65 miles an hour the car dashboard lights came on and the car 'hiccupped" and then lost power. This happend 3 times on the highway because I was so far away from home, I wanted to continue to drive it as far as possible. Everytime it happens it's taking longer and longer to re-start. The dealer came and towed it again. They are now saying they think it was the "crank saft sensor". I have to tell you, once this is fixed, I'm trading in the car. It is totally unsafe and I will not feel comfortable taking it on the highway again. There is one other issue, while I'm at it, if you are where there is snow, be very careful. If you go into a skid, you lose power and can't get yourself out of it.   I hope this helped. Tell your dealer to look at the crank shaft sensor.   Cathie Replies to this message: dono0034 (Mar 22, 2009 6:09 am) pf_flyer (Mar 22, 2009 6:16 am) Wool948 (Mar 22, 2009 10:37 am) jonnied (Nov 02, 2009 2:50 pm)
#44 of 54 Runs Hard, Vibrates over 60mph (now 50) by dono0034 Mar 22, 2009 (6:09 am)
Replying to: cathie2 (Mar 21, 2009 10:35 am) A few days ago my 2001 Prius (147,000m) started running hard and vibrating pretty bad anytime I hit 60mph, today it seems to happen at 50mph. It's an automatic, but almost feels like it's not going into the appropriate gear for that speed. All the fluids are filled and tires have recently been rotated. Not sure what this could be, any ideas?? Replies to this message: pf_flyer (Mar 22, 2009 6:16 am)
#45 of 54 Re: Runs Hard, Vibrates over 60mph (now 50) [dono0034] by pf_flyer HOST Mar 22, 2009 (6:16 am)
Replying to: dono0034 (Mar 22, 2009 6:09 am) Not sure what you mean by running hard, but anytime I hear about a vibration appearing at a certain speed I think about an out of balance tire/wheel. Since you just had a rotation done, a wheel weight could have been dislodged, or a tire might have some unusual wear that's now causing a problem once it got rotated from the back to the front of the car.   Can you give a few more details on "running hard"?
#46 of 54 Re: Lost of power while diving [cathie2] by Wool948 Mar 22, 2009 (10:37 am)
Replying to: cathie2 (Mar 21, 2009 10:35 am) Cathie2, thank you so very much for responding to my email, I will certainly mention it to the dealer.
#47 of 54 Re: Car WON"T START [chazz5] by kdhspyder May 23, 2009 (9:48 am)
Replying to: chazz5 (Mar 18, 2009 10:33 am) Yes this certainly is the solution. The KEY button turns off the 5 proximity sensors of the SKS ( in your manual early on ) including the sensor inside the vehicle that actives the engine when the SKS fob is inside.   You'd use this button also is you're going to leave the vehicle undriven for 4 weeks or more so that the 5 sensors don't run down the small 12v battery in the back. Upon your return you'll need to use the SKS fob as a normal keyless remote fob in order to get back into the vehicle, release the KEY button as you did, and reactivate the 5 sensors.
#48 of 54 Belt to water pump pulley keeps shredding by herikson Sep 01, 2009 (4:47 pm)
2005 Prius - Had a regular dealer service at 46k and they said the belt to the water pump pulley (the service invoice just says drive belt, v-ribbed) was cracked, needed to be replaced. 1000miles later the coolant flow control valve went bad. 200 miles later the belt shredded. Replaced belt, thermostat, coolant, did diagnostic - no further issues. I picked it up today and it didn't get 10 miles before apparently shredding the belt again. At least, when you look in the engine on the left side there's an obvious pulley and no belt was there. The engine really overheated and the same 3 warning lights came on - overheating. I'm having enormous problems getting the first service dept. to take responsibility. The national customer service is helping in baby steps. All this and I've got the top extended warranty but no one wants to just call the whole mess a warranty issue. Anyone have belt problems?
#49 of 54 Re: Car WON"T START [chazz5] by stevegold Sep 01, 2009 (7:32 pm)
Replying to: chazz5 (Mar 17, 2009 6:55 pm) You need a software upgrade for an old TSB. No charge. Computer misreading a sensor keeps the engine from starting and then the traction battery runs out 3-5 minutes later. Could happen at highway speeds. Got a lot of press four years ago. TSB=no problem. Replies to this message: jonnied (Nov 04, 2009 1:15 pm) jonnied (Nov 04, 2009 4:26 pm)
#50 of 54 Dealer suggesting battery & possible inverter replacement... by jonnied Nov 02, 2009 (11:32 am)
Vehicle: 2005 Toyota Prius Current Mileage: 187,000 Miles Dealer Proposed Action: Replace the recharable battery ($4,300), run diagnostic and possible replace Inverter for another $4,200)   Here’s my predicament… Where do I start...? I purchased a 2005 Toyota Prius New...it currently now has 157,000 miles on it. Was driving through the desert to Vegas and my light on the dash turn on (check engine light, vsc, red (!) ) and then my air con goes out...not good for a newborn in the car. Brought it to Fletcher Jones Toyota of LV. Told me that my Inverter water pump went out. $600 dollars later and back in Cali the next day...my lights turn on again. Take it to Hooman Toyota of Long Beach..stated that they just forgot to reset and didn't find anything. Same day in Corona, CA....light turn back on. Take it to Quality Toyota. Told me that the actual Inverter needs to be replaced for like $4k. I was hesitant and then drove it for about a month. On my way back from Van Nuys, lights turned back on and then I started to lose power on the freeway until it stopped completely. Weird thing was that a week prior to this occurring, when I was driving in San Diego, I noticed that the energy monitor was at full bars, which is very unusual; the newest development was that the engine would not turn, even at complete stops and the battery fan located near the rear seats will not turn off. After cooling the vehicle for a few minutes, it would start moving again, but would die out after a few miles…engine would have a high idle and then the car would no longer accelerate. I then got the Prius towed back to Quality Toyota of Corona expecting to get the inverter replaced, but after doing another diagnosis, they told me that the rechargeable battery need to be replaced. They also mentioned that they will not know if the inverter needs to be replaced until they replace the battery, run a new scan and if it shows that the inverter comes up faulty, then I will need to replace the inverter as well. I contacted Toyota about the issue and since I surpassed the 150k miles, they cannot warranty neither the inverter nor the battery. The battery alone is about $4,400 w/tax and labor and another $4k plus tax for the inverter. Not sure if the prius is worth saving at $8,400…even if I do have a carpool sticker. Any thoughts or suggestions on what just might be happening for Toyota seem to be very questionable about their diagnosis. Any assistance is greatly appreciated!!!
#51 of 54 Re: Lost of power while diving [cathie2] by jonnied Nov 02, 2009 (2:50 pm)
Replying to: cathie2 (Mar 21, 2009 10:35 am) Hey Cathie 2...I just posted for the first time for I had the same exact issue and I was trying to see if any other ppl had the same issues. If you read my post earlier, I have a 2005 Toyota Prius w/ 158k miles on it. The first time I got it diagnosed, they told me that it was the inverter and that it would cost $4k for a new one. I waited for about a month for I was skeptical and then my car did the same thing yours did...it hiccuped a bit then the engine idled and then slowed down and died. The only addition I had to this was that a week prior, the engine was hiccuping, but also the engine stayed on...even at stops and in traffic...the battery cooling fan stayed on and never shut down. I got my vehicle towed to the dealerhship and I was prepared to pay the $4k for the inverter, but they did another diagnosis and told me it was not for sure the recharable battery. That alone will cost $4,200 plus tax...then they will re diagnosis the vehicle and see if the inverter is still needed.   SO PLEASE...if you have been diagnosed with another or cheaper way than my diagnosis...then I am all ears! Hope your diagnosis works for you and then I can try that vs doing my route.   Also if you are under 150k....Toyota should warranty the recharable battery & I think 100k for the inverter...so if it is...you might want to relay this to the dealer and see if this can get replaced on your vehicle. Hope this helped!

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