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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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#52 of 54 Re: Car WON"T START [stevegold] by jonnied Nov 04, 2009 (1:15 pm)
Replying to: stevegold (Sep 01, 2009 7:32 pm) Thanks for the heads up steve. I looked into that as well...so I went with the lesser evils vs swapping out the battery. I took cathie2's advice and getting the crankshaft sensor replaced for 300 bucks and then getting the software updgrade for 100 bucks. Since I am over the 100k, they won't offer the free upgrade. they told me if I replace the battery, then they will install the upgrade for free.   Well if this fixes the problem, then Toyota HQ will hear an earful for I have an open case with them about this situation. My service director indicated that those were not the issue and that the codes pointed to the battery and inverter replacement. Will find out today.   Thanks for the reply and will keep you posted if it works or not.
#53 of 54 Re: Car WON"T START [stevegold] by jonnied Nov 04, 2009 (4:26 pm)
Replying to: stevegold (Sep 01, 2009 7:32 pm) Hi Steve, Just got the update...replaced the camshaft sensor and got the software upgrade...the tech actually thought it did the trick, but after a few miles and going up a hill...car started to hiccup again and flashed the dash. When he got back, codes were saying that it was still the recharable battery. Well it was a $400 dollar experiment, but was alot better than hitting that $4k initial price tag. Any other thoughts or suggestions are duely appreciated. Thanks, JON
#54 of 54 system upgraded & camshaft sensor replaced but.... by jonnied Nov 04, 2009 (11:24 pm)
Recently got a system upgrade for my '05 prius w/157k miles on it. Also got the camshaft sensor replaced. It sort of worked... Toyota Tech is telling me that lights came back on and still reporting that the battery needs replacing.   I did a test run tonight and ran the car for over an hour at 80mph. Hiccuped a few times during acceleration, but held all the way. The main difference is that my energy moniter is acting more normal. Before the service, it was at fully green capacity...to the top for an entire week...not much power being transferred to assist the engine. That is now in the blue range which is working good.   The same or bad thing is that my engine continues to run while I am at a complete stop...a really slow idle, but never turns off any more. The other issue is that my recharable battery cooling fan in the back seat does not turn off. I am still contemplating on switching out the battery....I am also considering doing an aftermarket upgrade that will give me the first 60 miles on electric and then shift it over to the hybrid side...more costly, but feels like i'm tossing away my 4k with another toyota battery. PLUS, thier warranty for the battery is unlimited miles for up to one year. What happend to the 100k warranty...so if this fails after a year again, then I'm back to square one. Sorry...just venting because this is the fourth dealer I went to...all with different outcomes....prius techs or just people guessing at the codes that pop up on the screen...your guess is as good as mine!

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