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Toyota Highlander Hybrid

3943 messages,  Last post on Nov 02, 2009 at 9:19 AM

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What is this discussion about? Toyota Highlander Hybrid, Hybrid Cars, SUV


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#3544 of 3943
Re: Hydro Lock??? [kdhspyder] by wwest
Nov 30, 2007 (3:30 pm)
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Replying to: kdhspyder (Nov 30, 2007 12:35 pm)

My understanding..
 
Apparently mice got into the engine compartment, chewed through the wire insulation on low side of the injector circuit, the bare wire shorted, dumping massive amounts of fuel into the cylinder resulting in hydro-lock....
 
Piston rod ejected through the engine block.
#3545 of 3943
Re: Hydro Lock??? [wwest] by doug28
Nov 30, 2007 (3:39 pm)
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Replying to: wwest (Nov 30, 2007 3:30 pm)

Very good, that is apparently the final analysis.
 
doug
#3546 of 3943
Re: Hydro Lock??? [doug28] by doug28
Nov 30, 2007 (3:41 pm)
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Replying to: doug28 (Nov 30, 2007 3:39 pm)

I do not have issue with the finding.
 
Mine is with the cause of subsequent damage.
 
If I did this on a lonely stretch of road they would hold me responsible for operating this expensive state of the art machine after violent shaking begins.
 
Why am I responsible when the dealership causes the subsequent damage???
 
doug
#3547 of 3943
Re: Hydro Lock??? [doug28] by doug28
Nov 30, 2007 (3:51 pm)
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Replying to: doug28 (Nov 30, 2007 3:41 pm)

I have contacted several experts on this matter.
 
1) Bad gas should be easy to rectify and eliminate.
          a) purge all fuel possible from system.
          b) change filters
          c) add known good fuel
          d) idle car till fuel behind injectors is replaced with know good fuel from tank (approximate idle time up to 5 minutes). (I see this step being a challenge for a toyota hybrid idle is to charge hybrid battery)
          e) scratch head and look for something else causing violent shaking of engine.
 
2). This whole scenario has a problem to it. The engine was shaking violently. Why run it at all. I chose not to. These guys are the pros. Get tech in from out of Town to figure it out or admit not qualified and recommend qualified facility. I do it every day in my work.
 
Doug
#3548 of 3943
Re: Hydro Lock??? [doug28] by wwest
Nov 30, 2007 (8:47 pm)
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Replying to: doug28 (Nov 30, 2007 3:51 pm)

I would assume that what happened is that someone left the ignition on for a period of time without immediately starting the engine. Then when a start was attempted the cylinder was already filled with gasoline, or at least enough to bend or break the piston connecting rod.
 
Hard, for me, to find fault with anyone but the mouse.
#3549 of 3943
Re: Hydro Lock??? [wwest] by doug28
Nov 30, 2007 (10:11 pm)
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Replying to: wwest (Nov 30, 2007 8:47 pm)

Thanks,
 
That could be I appreciate your input on the matter.
 
I recall the tech. calling me and telling me that it was sitting their idling and smoked. In fact the salesman of my second car from this dealership said he was watching it when it blew.
 
????
doug
#3550 of 3943
Re: Hydro Lock??? [doug28] by doug28
Nov 30, 2007 (10:18 pm)
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Replying to: doug28 (Nov 30, 2007 10:11 pm)

Don't know if I mentioned it.
 
Before they were able to figure out the violent shaking (bad gas, chewed wire or blown engine) dealer went ahead and performed 30,000 mile service and rotated tires.
 
I mention this because some have asked me if oil levels etc. were at proper levels.
 
doug
#3551 of 3943
Re: Hydro Lock??? [doug28] by wwest
Dec 01, 2007 (9:15 am)
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Replying to: doug28 (Nov 30, 2007 10:18 pm)

Might I suggest that you look throughly over the EFI wiring to be sure there are bare wires in the "proper" circuits and that the bare wires are able to ground the circuit and they actually show signs of mice...
 
On the other hand if you are aware that you have mice living in your garage.....
#3552 of 3943
Re: Hydro Lock??? [wwest] by doug28
Dec 01, 2007 (11:33 am)
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Replying to: wwest (Dec 01, 2007 9:15 am)

Thanks again.
 
I think my insurance company is photographing & documenting wiring and we will sure look for the vermin.
 
doug
#3553 of 3943
Re: Hydro Lock??? [doug28] by lynnkushnir
Dec 01, 2007 (8:38 pm)
Reply

Replying to: doug28 (Nov 30, 2007 11:24 am)

how did you blow your hybrid engine?

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