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2008 Toyota Sienna starting issues

7 messages,  Last post on Sep 30, 2009 at 10:10 AM

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#1 of 7 2008 Toyota Sienna starting issues by unhappycampe Mar 06, 2009 (3:21 pm)
I have a 2008 Sienna, with 4000 kms. Initial start in morning in fine. After this if it sits for over 30 mins on startup engine turns over excessively 8-10 times before it finally goes. If vehicle sits for less time then this it starts immediately,this is consistent when the vehicle has been running,once it sits long enough that it is a cold start it doesn't happen (roughly a couple of hours). So far they have changed the fuel pump, a sensor and a relay. I am stumped and seems as though the Toyota mechs are as well. Been in the shop six times. Replies to this message: ateixeira (Mar 10, 2009 6:37 am) mcloutier (Jul 08, 2009 5:20 pm) ateixeira (Jul 29, 2009 7:57 am) mcloutier (Jul 29, 2009 8:40 am) and 1 more... mcloutier (Sep 30, 2009 10:10 am)
#2 of 7 Re: 2008 Toyota Sienna starting issues [unhappycampe] by ateixeira Mar 10, 2009 (6:37 am)
Replying to: unhappycampe (Mar 06, 2009 3:21 pm) Could it be water in the fuel lines? Have they tried a product that addresses that issue?
#3 of 7 Re: 2008 Toyota Sienna starting issues [unhappycampe] by mcloutier Jul 08, 2009 (5:20 pm)
Replying to: unhappycampe (Mar 06, 2009 3:21 pm) I think I have the exact same problem. I too have a Sienna 2008. Starting cold in the morning is fine, but if I stop and leave it sitting for 25 minutes up to about 3h, when I go to start it again it's turns excessively before starting. I left it at the Toyota dealership about 5 times for this, they still have not been able to find and fix the problem. They changed the fuel pump assembly as well as the temperature sensor and no difference... Did you have any luck in fixing this? It's really annoying... Replies to this message: ateixeira (Jul 29, 2009 7:57 am) mcloutier (Jul 29, 2009 8:40 am) ateixeira (Jul 29, 2009 8:51 am) mcloutier (Sep 30, 2009 10:10 am)
#4 of 7 Re: 2008 Toyota Sienna starting issues [mcloutier] by ateixeira Jul 29, 2009 (7:57 am)
Replying to: mcloutier (Jul 08, 2009 5:20 pm) Just a suggestion you may want to try - before you crank it, turn the key to the On position and give the fuel pump a second or two to prime up fuel pressure. Then crank it. See if that helps.   On some Subarus that helps. Worth a try. Replies to this message: mcloutier (Jul 29, 2009 8:40 am) ateixeira (Jul 29, 2009 8:51 am)
#5 of 7 Re: 2008 Toyota Sienna starting issues [ateixeira] by mcloutier Jul 29, 2009 (8:40 am)
Replying to: ateixeira (Jul 29, 2009 7:57 am) tried it and it doesn't make a difference Replies to this message: ateixeira (Jul 29, 2009 8:51 am)
#6 of 7 Re: 2008 Toyota Sienna starting issues [mcloutier] by ateixeira Jul 29, 2009 (8:51 am)
Replying to: mcloutier (Jul 29, 2009 8:40 am) Bummer.   Normally I'd say spark plugs but it's too soon for an 08 to be needing those.
#7 of 7 Re: 2008 Toyota Sienna starting issues [mcloutier] by mcloutier Sep 30, 2009 (10:10 am)
Replying to: mcloutier (Jul 08, 2009 5:20 pm) For the benefit of anyone who encounters this same issue, they finally brought in a specialized technician from Toyota, who authorized the replacement of the 6 fuel injectors (on warranty) and bingo, the problem is solved! After 6-7 visits to the Toyota dealership and a lot of time lost...

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