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Old 04-08-2009, 02:55 PM   #1
gunmetalgolfer
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Default WRX won't start.... sometimes

I have 2006 WRX wagon ltd and I have been left high and dry twice by my car in the past week. I came out of the parking lot and the car would crank (turnover) but it would not spark or kick over. Sounded like it was not firing or getting any fuel but I didn't check the fuel rail, just a guess. Anyway I tried for half hour or so called the tow truck and when he arrived, we were putting the car in neutral, I turned the key all the way and it started right up. You should have seen my face

I had just done the DRL delete mod two days earlier so I assumed that had something to do with it (it may not) but for process of elimination I plugged the DRL module back in. Drove the car for a week (put about 500 miles on it) was driving from store to store on Friday, pulled in at home to get something and, you guessed it, no start. Same thing, cranked but no fire.

I tried to start it for 2 days and had no luck. Called the tow truck on Monday morning and went outside to roll the car in position and wammo, started right up. I drove the car right to the dealer and left it their for 3 days. They started it 100 times they said with no issues. I have no CEL's and the car is bone stock. The dealer has no clue what the problem is. The car checked out perfectly and runs like a top (when it starts up).

Any ideas what it could be? I am paranoid to drive it now, I know it is going to leave me somewhere. I figure it can't be any of the usual suspects like fuel pump, Crank position sensor, Cam postions sensor, Ignition.


You guys are the experts so I am looking for some hints. I would think if it was the security / immobilizer it would not even turnover so I don't think that is it.

If it does it again I will have to consider getting rid of it and I love this car but can't get stranded on a regular basis with no clue how to fix the problem.


Thanks for the help
Brian
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Old 04-08-2009, 03:34 PM   #2
pauli18c
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Quote:
Originally Posted by gunmetalgolfer View Post
I have 2006 WRX wagon ltd and I have been left high and dry twice by my car in the past week. I came out of the parking lot and the car would crank (turnover) but it would not spark or kick over. Sounded like it was not firing or getting any fuel but I didn't check the fuel rail, just a guess. Anyway I tried for half hour or so called the tow truck and when he arrived, we were putting the car in neutral, I turned the key all the way and it started right up. You should have seen my face

I had just done the DRL delete mod two days earlier so I assumed that had something to do with it (it may not) but for process of elimination I plugged the DRL module back in. Drove the car for a week (put about 500 miles on it) was driving from store to store on Friday, pulled in at home to get something and, you guessed it, no start. Same thing, cranked but no fire.

I tried to start it for 2 days and had no luck. Called the tow truck on Monday morning and went outside to roll the car in position and wammo, started right up. I drove the car right to the dealer and left it their for 3 days. They started it 100 times they said with no issues. I have no CEL's and the car is bone stock. The dealer has no clue what the problem is. The car checked out perfectly and runs like a top (when it starts up).

Any ideas what it could be? I am paranoid to drive it now, I know it is going to leave me somewhere. I figure it can't be any of the usual suspects like fuel pump, Crank position sensor, Cam postions sensor, Ignition.


You guys are the experts so I am looking for some hints. I would think if it was the security / immobilizer it would not even turnover so I don't think that is it.

If it does it again I will have to consider getting rid of it and I love this car but can't get stranded on a regular basis with no clue how to fix the problem.


Thanks for the help
Brian

those sound like the two things i WOULD be checking first... sounds like maybe a fuel pump since youre moving the car then its starting. can you turn the key on (not start) and hear the fuel pump running? if you can hear it run, then try and start the car. if it doesnt start then i would move away from but not rule out the pump since the pump is running.

If you dont hear the fuel pump run, have someone lay under the car with a rubber mallet or something by the gas tank. try starting the car, if it DOESNT start while cranking, have the person give the tank a few whacks with the mallet while youre still cranking the motor over and see if it starts. if it starts, i would say you have a bad pump.

check the fuel pressure regulator as well, and see if it is leaking. pull the rubber hose off the back of it and see if fuel is coming out of the nipple. sounds like it may be flooding itself (if the pump is actually working), and thats why its starting after leaving it sit for some time and the fuel has leaked down

then move onto checking the crank sensor or spark.

other than that, i would say keep driving it till it craps out for the last time, otherwise you will most likely be spending a lot in diagnostic time.

good luck
-chris
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Old 04-08-2009, 03:47 PM   #3
gunmetalgolfer
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Thanks for ideas pauli18c, the car actually never got moved either time. The first time the towtruck showed up and he told me to put the car in neutral so when I did it just started up. The second time I was going to roll it down the driveway but again it started right up.

I do here a fuel pump type noise but I am too new to the car to be sure. I have only had it about 6 weeks, its a certified preowned so towing is free but you are right I paid $100 in diagnostics and they didn't even find out anything to fix.

I thought it might be flooded but on the second occasion when it would not start I left it overnight on Friday and Saturday night and tried both mornings with no avail.
The dealership told me the crank and cam position sensors would through a CEL if they were the problem and the system was clean when I brought it to the dealership.


I was thinking about taking off the battery cables and letting it sit for a day or so to reset the ECU, just a wild goose chase really. It has to be some kind of gremlin. I've had lots of cars (mostly beaters) and none of them ever left me anywhere and I could figure out the problem. This is driving me freakin nuts.


Thanks for the feedback. Anyone else ever have this happen?
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Old 04-09-2009, 09:08 AM   #4
gunmetalgolfer
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Anyone else ever have this happen? Ideas please
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Old 04-12-2009, 08:01 AM   #5
white_knight09
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My 09 WRX is showing similar signs. THe car would randomly refuse to start. After several attempts (5-10 mins) it would start up like nobodys bsiness. Go figure. Running stock.

-WK
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Old 04-12-2009, 08:47 AM   #6
gunmetalgolfer
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I think it is the fuel pump. I bought a Walbro and will be swapping it out when it gets here. I created another thread here

http://forums.nasioc.com/forums/show....php?t=1740727

to keep everyone up to date with how it turns out. Hopefully that is the problem otherwise I am stumped again.

gunmetalgolfer
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Old 04-12-2009, 08:54 AM   #7
minorc
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Well than that is most likely your prob.
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Old 04-18-2009, 11:50 PM   #8
robbieb
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My 08 wrx is doing the same. I have an appointment on Monday to get it looked at. This issue happened once last summer, once in the fall, and once last Wednesday. It is 100% stock and has been well maintained.
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Old 04-19-2009, 12:02 AM   #9
Mase-19
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I would start by checking your connections at the battery AND the starter. A loose starter connection will cause this problem. My 04 GMC truck did the same thing. All it was, was a loose connection at the starter
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Old 04-19-2009, 02:12 PM   #10
gunmetalgolfer
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Default Update new Fuel pump installed

I installed the Walbro on Friday and the car has been driving great since then. I am not 100% convinced the problem was the pump but I am 99+% at this point because the increase in power and response time when I hit the gas is awesome. I assumed since the car started sometimes and drove fine when it did that it probably wasn't the pump but now that I have changed it out I realize that even when the car was running, the fuel pump was not performing up to snuff. When I hit the gas now, the car GOES FAST RIGHT NOW. Before there was a bit of hesitation and I did not build the RPM's as fast because it was probably just barely getting enough fuel to accelerate.

I will keep you posted if the car stops working again, and the same symptoms come back but I think I've got it.

For everyone who suggested the Walbro instead of the stock pump, thanks big time. I can't imagine the stock pump being any better and the fit was perfect and it costs a quarter of the price, how can you go wrong.

gunmetalgolfer
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Old 08-29-2009, 04:44 PM   #11
Stoned_Llama
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My 2008 WRX wagon is doing the same thing as well. Usually takes me about 45 seconds to 2 minutes to get mine started. Turns over, but wont start up. After hearing many people say fuel pump, I might as well just do that, easy upgrade. Just wanted people to know its happening everywhere.
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Old 08-29-2009, 10:56 PM   #12
cathode
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My 06 exhibited the exact same behavior. If I let it sit for 10 minutes it would fire right up. Strange. I just learned to live with it since it would happen infrequently.
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Old 10-23-2009, 12:45 AM   #13
only1agam
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bump any update on this?
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Old 10-23-2009, 03:05 AM   #14
C89ZX7R
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Quote:
Originally Posted by gunmetalgolfer View Post
we were putting the car in neutral, I turned the key all the way and it started right up.
Have you tried the neutral safety switch?
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Old 10-23-2009, 05:19 AM   #15
QksilverRS
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Quote:
Originally Posted by C89ZX7R View Post
Have you tried the neutral safety switch?
AGREE
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Old 06-11-2010, 03:20 PM   #16
96accord
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I know this thread is 8 months old...

But just seeing if the OP has been experiencing any issues?

Updates?

-Jeff
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Old 06-11-2010, 04:54 PM   #17
96accord
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Quote:
Originally Posted by Stoned_Llama View Post
My 2008 WRX wagon is doing the same thing as well. Usually takes me about 45 seconds to 2 minutes to get mine started. Turns over, but wont start up. After hearing many people say fuel pump, I might as well just do that, easy upgrade. Just wanted people to know its happening everywhere.
Quote:
Originally Posted by cathode View Post
My 06 exhibited the exact same behavior. If I let it sit for 10 minutes it would fire right up. Strange. I just learned to live with it since it would happen infrequently.
Quote:
Originally Posted by only1agam View Post
bump any update on this?

We all of you having the same problems?? Updates?
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Old 12-26-2010, 07:07 PM   #18
robbieb
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Went stage 1 and have not had any problems in over 1 year.
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Old 04-06-2012, 10:28 PM   #19
sike43
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This has been happening to me for about a year. Car is at Subaru now. They said it was a loose wire on some "ignition module" i don't remember exactly what he said, I was looking for the answer to what he said. I have some other posts on my problem. We never came to this conclusion before. He said it starts everytime now. It only happens when the car is still hot, when it's really hot outside, or after a stall. During the winter it had been fine as soon as it started warming up outside the problem came back. Well seeee....
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Old 12-27-2012, 01:16 PM   #20
Aussie425
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Apologies to a reply on an old thread. I realized there may be useful information from what I learned today.

I own a 03' WRX C-spec Evo 6 and it was having issues today firing up.
Yes, my car has an engine immobilizer installed and occasionally it would give me problems. Most times I do not have to enter my code since it will automatically detect my transmitter in my key and the fuel pump will sound and I can fire her right up.

Today though, I sat for hours trying to figure out why she wouldn't start. I could insert my key, turn it to crank position, watch my immobilizer keypad do a countdown (*741) then the engine bay light would come up ready to be fired up. Odd thing was, she wouldn't even crank/try to fire up: she just sat there no movement, the cabin would dim trying to start up, but nothing.

I called RACQ roadside assistance and the mechanic did a thorough check of the battery, engine, oil, coolant, etc. Nothing was wrong. He then checked the fuse box, still nothing. He then decided to see if the starter motor was geting power from the battery: it was. So then it came down to two things: 1. the immobilizer was preventing power to reach the starter motor since my immobilizer not only prevents fuel from reaching the engine, but power as well, or 2. loose ignition wire (w/e) and was preventing me from firing her up. He then decided to hot wire my car from the positive terminal straight to my starter motor with the engine bay light on. Voila, she fired up.

We concluded that it was perhaps loose wiring or something along those lines that prevented me from firing her up. If you have any similar problems, check if your starter motor is getting power. Sometimes it may just be loose wiring that needs readjustment. I reckon I will have my mechanic look at what the problem is because I don't ever want to be in a situation where my car won't start up.
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Old 10-02-2014, 08:26 PM   #21
jpg40
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My car had the same symptoms. Turned out to be the fuel pressure regulator.

JPG
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Old 10-19-2014, 08:00 PM   #22
Fueled_byramen
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Default WRX Wont start...

Im new to posting on forums so forgive m if i get something wrong on here but i need some help im stuck. My 02 wrx wagon isnt starting. I did the JDM swap and swapped everything over all i used from the JDM Engine is the longblock, ive tranfered over cam crank gears.... us intake us exaust i have made sure all my grounds are good. The engine will crank but wont turn over its got 120 PSI on cylinder #1 its got fuel ( i know because when i pulled cylinder #1
s plugs it had gas on it. I then tested the plug which is brand new hooked it into the coil pack and grounded the plug to the chasis and bumped the engine it got a perfect spark. Why is it not starting if it has compression fuel and spark? Theres no codes being thrown everything is as it should be im stuck if anybody could help me out that would be great. Thanks and have a great day!
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