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Old 04-05-2013, 08:27 PM   #1
Serkan
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Join Date: May 2008
Chapter/Region: E. Canada
Location: Windsor
Vehicle:
2004 Sti White

Default 04 legacy gt stalled while taking a turn and wont start

It is a 2004 legacy gt, automatic with 160k on it.

Car was driving fine. I took a right turn lil faster than I normally do because I didn't realize it was the street I needed to get on.

At the very end of the turn before car straightened itself, it lost power and stalled. (I remember good because I lost power steering while turning).

It felt like I pulled the hand brake or the tranny got in park and stopped suddenly.

I immediately turned the ignition off but I think I saw temp oil flash before I did. All fluids are fine. Nothing leaking under the car. Axles are in place.

I can switch the gear lever to all gears. But the car will not fire up.

It cranks hard but wont start.

Legacy are quite in the inside so I am not sure if I am supposed to hear fuel pump priming but there is no sound coming from rear when I turn the ignition to ON.

I am hoping it is a failed fuel pump but the way car stopped makes me wonder if smtg happened to the tranny.

I also tried resetting ecu by pulling the neg terminal and didn't work.


Anyone experienced anything like this before. Suggestions are welcomed.

Thanks.


EDIT : Fixed. Problem was a blown fuse at the main fuse box in engine bay, SBF #5 30A
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Last edited by Serkan; 04-07-2013 at 01:51 PM.
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Old 04-05-2013, 11:32 PM   #2
Patrick Olsen
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Location: Where the Navy sends me...
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1997 Legacy 2.5GT
QuickSilver Metallic

Default

What was the fuel level?

And what is an "smtg"?
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Old 04-06-2013, 12:12 AM   #3
Serkan
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Default

Fuel level was at quarter line.

Smtg like seizing, I don't know. Car didn't roll after if stalled, it came to a sudden stop.

But than I was able to put it in neutral and roll it side of the road to park.

Last edited by Serkan; 04-06-2013 at 12:22 AM.
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Old 04-06-2013, 12:22 AM   #4
kainam00
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2006 WRX

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Any check engine lights? Could be a number of things, like a crank position sensor for example
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Old 04-06-2013, 12:40 AM   #5
Serkan
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I am not sure. I reset the ecu so I don't know if anything is stored.

I have an 02 impreza ts, I will switch the cam and crank positions sensors to rule them out.
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Old 04-06-2013, 08:43 AM   #6
Charlie-III
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Silver Sleeper Wagon

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If the trans seized, the car still would not roll, more than likely.
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Old 04-06-2013, 06:03 PM   #7
silverton
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STM

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I'm going to guess "smtg" is short hand for "something". It's so painful to type a full word so that everyone can understand you, I know.. but it's for the greater good.

I'm guessing since the car stalled and wouldn't move that the torque converter is stuck in a locked position, that's why it won't roll, kind of like leaving a manual transmission in gear. Not sure if that's related to why the engine won't fire, shouldn't in theory, but I do know the RS fuel starves BAD on right hand corners, so not sure if the Legacy is going to have the same issue.

I'd put 5 more gallons of gas in it and cycle the ignition switch a few times, leaving it in the ON position for a minute or so but not trying to start. on the 4th "prime" try and start it. Hopefully it'll fire and not die on you when you go to put it in to gear (due to the locked torque converter).
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Old 04-06-2013, 07:44 PM   #8
Serkan
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Default

Car is rolling. I was able to put it in neutral and roll it to the side of the road.

It was just weird how the car suddenly came to halt.

Some update from today's inspection :

I removed the fuel feed line on the manifold and cranked the engine to see if fuel was coming out. No fuel*

Checked the fuel pump fuse, still good.

Checked the fuel pump relay, still good.

Than I decided to change the pumps. I had a spare walbro 255 laying around. Put the walbro in, didn't change the situation.

With the rear seat off, I can still not hear the fuel pump priming when ignition is "ON"

"Something" is preventing power to go to the fuel pump.

--------

I was thinking maybe crank position sensor or cam position sensor. I have a 02 impreza wagon so I wanted to do a test before changing the sensors.

I unplugged the crank and cam position sensors on the impreza and turned the ignition to "ON", fuel pump still primed. So faulty crank & cam position sensors is not why fuel pump is not priming.

Upon further inspection, I realized the front O2 sensor was loose. Couple more turns and it would be out. It also looks like O2 sensor wiring rubbed against the cv joint.


What else could be causing the fuel delivery problem ?
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Old 04-06-2013, 07:52 PM   #9
silverton
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STM

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Quote:
Originally Posted by Serkan View Post
Car is rolling. I was able to put it in neutral and roll it to the side of the road.

It was just weird how the car suddenly came to halt.
It should roll in all gears with no line pressure.
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Old 04-06-2013, 08:09 PM   #10
Serkan
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Default

Anything there with the transmission that could prevent fuel feed to the engine ?
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Old 04-06-2013, 08:12 PM   #11
Serkan
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Default

I am going thru the FSM wiring harness section.

Quote:
FB-16
Engine control module
Fuel pump relay
Ignition coil (6-cylinder engine model)
Ignition coil and ignitor (4-cylinder engine
model)
Immobiliser control module
Transmission control module
FB-16 is fuse number 11 (15A), I don't think I checked that fuse. I only checked Fuse number 13 which is only for fuel pump.

It is also related to TCM so I hope it is this fuse that blew and caused the transmission to act.
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Old 04-07-2013, 01:50 PM   #12
Serkan
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2004 Sti White

Default Fixed

Fixed.

I looked at the FSM to see all the related fuses related with the fuel pump and there was also SBF no:5 30A fuse in the main fuse box (engine bay) that one blew.

I replaced it and everything works fine.

Make sure to check this fuse in case of ignition, fuel, starting problems.
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Old 04-07-2013, 03:44 PM   #13
silverton
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Join Date: Sep 2012
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2001 2.5RS
STM

Default

Now you should be asking yourself, what made that fuse pop?

Glad it's fixed though!
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