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| This is a discussion on check engine light within the Gen II Prius Technical Discussion forums, part of the Gen II (2004-2009) Toyota Prius Forums category; Hey guys i'm pretty bummed out, I just bought a 2005 Prius with 72,000 miles on it, I have driven ... |
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check engine light
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09-14-2009, 06:06 PM
| #1 |
| Junior Member Join Date: Sep 2009 Location: Aliso Viejo
Posts: 10
My Car: 2005 Prius Model: N/A Package: Navigation Thanks: 1
Thanked 0 Times in 0 Posts
Friends: 3 |  check engine light Hey guys i'm pretty bummed out, I just bought a 2005 Prius with 72,000 miles on it, I have driven 2500 so far and now the check engine light has come on. What should I do? I like to try and fix things my self but I have a feeling I will have to take it to the dealership wont I? Hayes manual wont cut it? Thanks for the advice guys. |
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09-14-2009, 07:43 PM
| #2 | |
| Senior Member Join Date: Sep 2006
Posts: 149
My Car: 2004 Prius Model: N/A Package: #6 Thanks: 16
Thanked 17 Times in 12 Posts
Friends: 2 | Re: check engine light Quote:
hm... Autozone close by? They do free checks. | |
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09-14-2009, 08:09 PM
| #3 | |
| P719 of ???  Join Date: Nov 2006 Location: South Jersey
Posts: 2,702
My Car: 2006 Prius Model: N/A Package: #3 Thanks: 0
Thanked 30 Times in 28 Posts
Friends: 2 | Re: check engine light Quote:
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09-14-2009, 11:48 PM
| #4 |
| Senior Member  Join Date: Apr 2008 Location: Canada
Posts: 108
My Car: 2008 Prius Model: Package: N/A Thanks: 0
Thanked 5 Times in 5 Posts
Friends: 1 | Re: check engine light Get that trouble code and post back here, or look it up at OBD-II Trouble Codes - DTC Codes Car Repair or Check Engine Light - FREE Car Repair Help and then post back here. You need the code(s) to know what's gone wrong. When my check engine light came on the code was a p0031, who knows what yours will be ;-) |
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09-15-2009, 07:29 AM
| #5 | |
| Senior Member  Join Date: Nov 2005 Location: Trumbull, CT
Posts: 512
My Car: 2004 Prius Model: Package: Base Thanks: 0
Thanked 21 Times in 14 Posts
Friends: 10 | Re: check engine light Quote:
JeffD | |
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09-17-2009, 02:20 PM
| #6 |
| Junior Member Join Date: Sep 2009 Location: Aliso Viejo
Posts: 10
My Car: 2005 Prius Model: N/A Package: Navigation Thanks: 1
Thanked 0 Times in 0 Posts
Friends: 3 | Re: check engine light Hey guys the check engine light seems to of turned its self off? Then a couple of hours later it turned on again, and now its off which seems like for good? What is this ScanGauge you speak of and where can I get one that works on my car? |
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09-17-2009, 04:04 PM
| #7 | |
| Senior Member  Join Date: Mar 2009 Location: Owego, NY
Posts: 228
My Car: 2006 Prius Model: II Package: #5 Thanks: 5
Thanked 6 Times in 6 Posts
Friends: 1 | Re: check engine light Quote:
https://priuschat.com/shop/index.php...cb07f86adeab7b | |
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09-17-2009, 09:12 PM
| #8 |
| Destination: Eschaton Join Date: Mar 2004 Location: United States
Posts: 5,514
My Car: 2004 Prius Model: N/A Package: #6 Thanks: 100
Thanked 93 Times in 66 Posts
Friends: 0 | Re: check engine light The engine can destroy itself pretty quickly. Take it to a dealer. |
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09-21-2009, 10:46 PM
| #9 |
| Junior Member Join Date: Sep 2009 Location: Aliso Viejo
Posts: 10
My Car: 2005 Prius Model: N/A Package: Navigation Thanks: 1
Thanked 0 Times in 0 Posts
Friends: 3 | Re: check engine light Hey guys I just checked the light and it gave me code P1121 I looked it up in my Prius repair book that I just got and it said the following Coolant Flow Control Valve Position Sensor Circuit Stuck -water valve (control flow control valve) -cooling system (clogging) I think I saw a service bulletin up here for something like this, does any one know if this is possibly covered by warranty or if this is a hard repair for me to undertake? |
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09-22-2009, 06:53 AM
| #10 |
| DIY Enthusiast  Join Date: Mar 2008 Location: Green Valley, AZ
Posts: 4,058
My Car: 2004 Prius Model: N/A Package: #9 Thanks: 21
Thanked 213 Times in 184 Posts
Friends: 44 | Re: check engine light I suggest that you search for the TSB to see whether the repair is covered under the CA emissions control warranty or not. The powertrain warranty expired at 60K miles. It is certainly possible for you to replace the valve yourself. This controls flow of engine coolant to the coolant heat recovery canister. Should you decide to do so I suggest you invest $15 in techinfo.toyota.com so that you can access and download relevant repair manual pages. The hardest part of the procedure will be to drain and replace the engine coolant as it is not easy to get air out, with the coolant heat recovery canister, valve and pump in the system. I've previously posted how to DIY. If you DIY I recommend that you continue to use the pink Toyota Super Long Life Coolant which costs around $22 per gallon. You'll probably need a couple of gallons.
__________________ 2006 Highlander Hybrid 4WD-i 2004 Prius 2001 Prius (sold Feb. 2008, 75K miles) 2000 Ford Mustang GT conv. Last edited by Patrick Wong; 09-22-2009 at 06:56 AM. |
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