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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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#16 of 54 2004 Prius won't start. Help! by stevegold Jul 16, 2007 (2:48 am)
I'm stuck in front of my house. All dash lights come on including the big red triangle and the car/lock icon but the ready light is not on and the car won't go. If I power off, the P,B,D,R cluster stays on, without the READY light, as does the big screen which displays "CAUTION - Transmission "P" lock mechanism is abnormal. Park in a flat place and apply brake." Replies to this message: pathstar1 (Jul 16, 2007 6:23 am) stevegold (Jul 16, 2007 7:47 am)
#17 of 54 Re: 2004 Prius won't start. Help! [stevegold] by pathstar1 Jul 16, 2007 (6:23 am)
Replying to: stevegold (Jul 16, 2007 2:48 am) Sounds like the parking pawl is jammed. It it on a hill? If so, apply some force against the hill (push the car up the hill, apply parking brake) and try again.
#18 of 54 Re: 2004 Prius won't start. Help! [stevegold] by stevegold Jul 16, 2007 (7:47 am)
Replying to: stevegold (Jul 16, 2007 2:48 am) I couldn't do anything in the dark last night so I purposely left the lights on to fully discharge the small battery. This morning, I jumped the small battery, using the easy to get at terminal under the front hood. It started right up like normal. (It probably re booted the various micro processors.) I will have Toyota check the error codes later this week. If it didn't start this morning, I was going to disconnect the battery (in the back, right side) to force a re boot. I think because I let the battery run out, that wasn't necessary this time. This could have been a major problem if my wife was using the car and/or was out of town. I will downgrade my Prius from the best car I've ever owned to just OK because of this. (unless Toyota has a good explanation or there was a service bulletin that I did not take care of.
#19 of 54 2007 6,000 miles and won't start by co2diet Dec 03, 2007 (5:03 pm)
You can sense my outrage. Traded in my completely reliable 2000 Honda Civic for a more responsible Prius and now it won't start after a measly 6,000 miles.   All the dash lights go on, including the check engine (I got an oil change etc at the recommended 5,000 miles) and nothing happens. Had it towed and of course did not hear from the dealership all day.   I'm sorry I didn't buy another Honda. What I want is reliability AND responsibility. Replies to this message: stevegold (Dec 04, 2007 6:06 am)
#20 of 54 Re: 2007 6,000 miles and won't start [co2diet] by stevegold Dec 04, 2007 (6:06 am)
Replying to: co2diet (Dec 03, 2007 5:03 pm) Sorry to hear about your problem. Kindly post what happens here when it's finally fixed. I have had 2 or 3 similar experiences but was able to get them cleared myself without being towed but not without a lot of stress.
#21 of 54 Cold Start Problem by dean19 Dec 05, 2007 (4:23 pm)
On a recent trip to Mammoth Lakes the car drove well but when I came out next morning, the engine would not run after an initial 15-20 seconds. Trouble lights came on. If I accelerated in the initial start period it would continue to run but lights stayed in alarm. This continued and engine would not operate properly. The next morning I decided to take it to Bishop, the nearest dealer and wait until they opened Monday morning. 15 miles down the hill, it began to operate correctly and has not had another problem. Is it sensitive to the cold or perhaps altitude?
#22 of 54 gas engine won't engage by mtpress Jan 07, 2008 (11:36 am)
Hi, I was at 7,000 feet in about 20 degree weather with my 2002 prius and all the emergency lights went on and the gas engine wouldn't kick in. I had it towed back to Berkeley, at sea level and 60 degrees, and the next morning it started right up. The dealer replaced some electronics because a code had been tripped, but I don't have a lot of confidence to return to the mountains. Any one had a similar problem, or a suggestion. thanks.
#23 of 54 Start Relay Motor by mm517a Jan 14, 2008 (10:25 am)
After turning on my 2002 Prius, 4 warning lights came on although the engne was running. I looked in the manual and it said to take to a Toyota dealer. The lights did not go off for a distance of 5-10 miles. I was told that they need to replace the start relay motor. Has anyone else had this problem and does this sound reasonable at a cost of $230 for parts & labor? mm517a
#24 of 54 Noise from gas engine by kimfc Jul 06, 2008 (10:19 am)
2004 Prius has started making a sreechy noise only when the gas engine is running. Maybe a belt or bearing? It seems too soon for these parts to be going. Any ideas?
#25 of 54 Car won't start by ohmygosh Sep 10, 2008 (6:09 pm)
I have a 2008 Prius with about 5200 miles. At times when the brakes were applied I had the sensation that the car accelerated. When I took the car in for initial service they could not duplicate the problem. I don't know if it is a coincidence but 2 weeks later my car would not start. When the power button was pushed the information screen came up but the car did not turn on. If I held the power button down for a 2nd time the warning lights came up for brakes, check engine, etc. The car would only shift into neutral. I started over several times but could not get the engine to start and it was towed to the dealer. I am awaiting a response, but if anyone has a similar problem I would appreciate your feedback. Really concerned !!!

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