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03-25-2010, 01:22 PM | #235 |
Drives: Yaris Sedan Join Date: Sep 2006
Location: MayaWest, Puerto Rico
Posts: 1,574
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Those would solve jason's problem, but would they work on my case?
And now that Fuel Pumps are mentioned, I got my fuel pump and hose replace because they were "deformed", the dealership took care of it, can it be that the fuel pump is damage again?
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I Drive a 129whp Yaris ;) |
03-25-2010, 01:23 PM | #236 | |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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Quote:
It does not go away a few seconds later, takes more like a 30-60 secs depending on the severity. CEL was flashing, but no code was stored during the Saturday occurrence. On Sunday the issue was bad enough to keep the CEL on and we pulled P0300, P0301, P0302 and P0304 - all misfire codes. In our case this happened in Turn 6 at Thunderhill each time. Previous to T6 you are dropping down a big hill (the video does not do the elevation justice) in to a medium speed (3rd gear) right hander, then just a slight lift for the left (T6) and this is where the starvation would occur. We think that all of the fuel is loaded to the drivers side rear of the tank previous to T6, then the lift and sudden left turn pulls all the fuel to the passengers side front of the tank, and this is enough to get the pump to suck some air even at half a tank.
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion |
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03-25-2010, 01:24 PM | #237 | |
Drives: Yaris Sedan Join Date: Sep 2006
Location: MayaWest, Puerto Rico
Posts: 1,574
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Quote:
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I Drive a 129whp Yaris ;) |
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03-25-2010, 01:26 PM | #238 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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We had the exact same problem with a '89 Honda CRX at Mosport International Raceway in turn 5B. Only it didn't set the check engine light. It would just misfire for a second or two. And it only occurred if we had less than 1/2 tank of gas. We later had problems with oil pressure in the same corner but that set a code and VTEC shut off.
Edit: It is possible that the ECU is going into fail safe to try and save your non existent cat because of the misfire. The CEL is flashing to warn you of imminent damage to the cat due to the misfire. I've had this happen with my Echo on the track, but I don't have TBW, so it possible the ECU is cutting back the throttle. |
03-25-2010, 01:39 PM | #239 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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I don't think we are experiencing the "same" problem. On Saturday this happened well into the race, with two laps to go, and less than a 1/4 tank of fuel. On Sunday I got on lap 3 with half a tank, and then again near the end of the race when the low fuel light was on - but always in the same turn.
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion |
03-25-2010, 01:41 PM | #240 | |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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Quote:
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion |
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03-25-2010, 01:43 PM | #241 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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Yeah, fuel cell FTW... literally HAHA
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03-25-2010, 01:45 PM | #242 |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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if you do a pump, will you do a return line?
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
03-25-2010, 02:00 PM | #243 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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I don't think we can, we have to use the stock fuel injection - less the injectors - so I don't think we can alter the fuel rail.
All part of the challenge of find a cell that will work with our car. New racecar development is fun.
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion |
03-25-2010, 02:35 PM | #244 |
Break'em off some.
Drives: 07 Yaris LB, 04 Cobra Join Date: Jan 2007
Location: So Cal, OC
Posts: 854
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Are you allowed to do a small surge tank?
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03-25-2010, 03:16 PM | #245 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion |
03-27-2010, 12:25 AM | #246 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion |
04-02-2010, 03:57 PM | #247 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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Fingers crossed, should be getting the new engine management today... Going to make for a busy weekend. Tuesday the car goes in for the new graphics.
If anyone finds themselves at the Lakers VS Clippers game on the 14th, the Yaris will be there on display in the Toyota both. Between the graphics and ecu work there will be little time left to work on the suspension, but it should be here before our Apr 24-25 double national at Buttonwillow. Now where are my wheels?????
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion |
04-02-2010, 06:29 PM | #248 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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My Editor has created an "unofficial" SportsCar magazine website to catalog our past projects. It currently covers a couple of our past project cars as well as some other fun projects.
In the future we will be adding more images, as well as more current cars (like the Yaris, after it prints in the magazine). http://sportscarmag.wordpress.com/
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion |
04-03-2010, 02:38 AM | #249 |
Ecurie Snoopy Lives
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My car would cut out just like yours did. Alot of the other posters in the forum would give all kinds of advice but really don't think they were running their car 10/10ths.
You run your car pretty hard and the fuel starvation seems to be a natural part of the Yaris due to it's nature to run ....lean. Hope you find out the fix for it while staying within the boundaries of your class. Good luck!
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Sponsors and Organizations: Toyota Rally Canada Yokohama Tire Canada Western Canada Rally Association Ecurie (Team) Snoopy Canada, racing since 1966 |
04-06-2010, 03:49 PM | #250 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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The Yaris is being wrapped right now, will be ready in the AM. Cant wait to see it.
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion |
04-07-2010, 12:40 PM | #251 |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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well? let's see some visual goodness!
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. Last edited by cali yaris; 04-07-2010 at 01:35 PM. |
04-07-2010, 01:35 PM | #252 |
Drives: 2015 H Production Yaris Join Date: Oct 2009
Location: Debary, FL
Posts: 1,953
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I am sitting at my office now waiting for the one person who can approve the check I need pay for the wrap. The guy that did it says it looks sweet.
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2005-2008 SCCA Solo BS National Champion 2017-2018 SCCA H Prod National Champion Last edited by Jason@SportsCar; 04-07-2010 at 02:34 PM. |
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