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Old 08-09-2008, 09:34 PM   #1
silverbullet830
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Join Date: Aug 2007
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Location: Baytown, TX
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2010 WRX Sedan
WRB

Default My Car will not fire at all

so i had a coolant leak on my 02 wrx and my car got quite hot. i haven't done a compression check but theres no coolant in the oil or anything. when it overheated i turned the car off as soon as i saw it and coasted to the side of the road. hasn't started since. it turns over fine but doesn't fire at all. where should i start and what all should i check? all i've done so far is reset the computer. the fact that its not firing at all makes me think it is electrical. maybe a sensor got messed up or something. any help would be greatly appreciated. thanks.
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Old 08-10-2008, 04:58 PM   #2
silverbullet830
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nothing??
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Old 08-10-2008, 05:14 PM   #3
mikeythejew
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Mothballed until winter

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You check the fuses yet?
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Old 08-10-2008, 05:35 PM   #4
pro934
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start with the fuse check hopefully its that. check the plugs, if they got super hot it could have burned the electrodes out. if not any of those things its definatly a wire issue. did you pull the plugs to make sure its not fireing?
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Old 08-10-2008, 08:54 PM   #5
silverbullet830
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no not yet. by fireing i mean't its turning over but not trying to start. i checked all the fuses under the dash and under the cover in the engine bay. are there any others that i don't know about? somebody told me their buddys car overheated and there was some kinda failsafe fuse or something that burnt up.
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Old 08-10-2008, 10:19 PM   #6
pro934
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im un-aware of said failsafe fuse or where it would be located. check the plugs make sure they spark, if not then replace them check again. if you get spark check and it doesnt start make sure you are getting fuel. ask your friend to ask where the fuse was or call a shop and see if they know of said fuse.
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Old 08-10-2008, 10:22 PM   #7
pro934
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it also leads me to believe sence your car is turning over and i assume all your dash and everthing works with no cel's being displayed that its not electrical. if a sensor went out you should have a cel up.
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Old 08-10-2008, 10:31 PM   #8
silverbullet830
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Quote:
Originally Posted by pro934 View Post
im un-aware of said failsafe fuse or where it would be located. check the plugs make sure they spark, if not then replace them check again. if you get spark check and it doesnt start make sure you are getting fuel. ask your friend to ask where the fuse was or call a shop and see if they know of said fuse.

it wasn't on a subie. thats why i didn't really get him to find anything out about it. just thought there was a chance ours might have something like that. i check out the spark plugs as soon as i can and get back to ya. the car is at my dads house and i'm working out of town at present so it might be a couple weeks. i just figure if it was a cracked block or head or something it would atleast try to start. thanks for the input. i'll post up what ever i find.
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Old 08-10-2008, 11:00 PM   #9
pro934
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i doubt you cracked something, unless you threw alot of cold water on the motor to try and cool it down. i dont think you would do something like that though. just pm me i will try and help as much as i can, im no electrical guru but i know motors. still becoming familiar with the turbo motor, but all of them still operate with the same principle.
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Old 08-11-2008, 12:41 PM   #10
silverbullet830
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ha. na i didn't throw any water on it. shut it off and pushed it out of the road. the temp didn't move till i came to a stop light on my way home from work. i'll pm ya as soon as i find something out.
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Old 08-13-2008, 02:31 PM   #11
aaron22388
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I just replaced the motor in my WRX and its doing the same thing. Ive replaced just about every sensor trying to get it to start and it wont. It acts like it wants to though.
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Old 08-19-2008, 11:52 AM   #12
aaron22388
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I took mine too the dealer and let them do a diagnostics and I had bad plugs so I changed them and it turned out that too much gas in the cylinders caused my new spark plugs to folw out so they cleaned the spark plugs and the cylinders and it runs fine now. Dont know if this helps but maybe.
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Old 09-02-2008, 06:35 PM   #13
silverbullet830
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^^^ did it just turn over but not try to start at all? i mean didn't even sound like it was trying to start?


well i finally was able to get around to wrenching on my car a bit today. my spark plugs have some corrosion on them. almost looks like rust. it has been sitting for a while now. i'm charging the battery right now so after that i'll see if they have a good spark. would rust indicate a bad head gasket or could moisture seep in over a couple months of sitting?
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Old 09-02-2008, 09:16 PM   #14
silverbullet830
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WRB

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don't know if its rust or not. tried to see if the spark plugs were firing ok. the battery was about half charged but the car wouldn't turn over even with the spark plugs out. about a month after it got hot it turned over just fine. we even put jumper cables on it with my dads truck and it still wouldn't turn over. could it have seized up after it sat?
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Old 09-03-2008, 01:27 PM   #15
silverbullet830
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anybody wanna take a guess?
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Old 09-03-2008, 02:27 PM   #16
dcleal
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since it sat for awhile it is possible for the spark plugs to have corrosion on them without have a head gasket leak. have you drained the oil or coolant to check them or did you just look on the dipstick? what happens exactly when you try to turn it over? my suggestion is change the oil and put a known good battery and then attempt to start it. if it turns over do a compression test. you can also do a leak down test which can be done with out it turning over, but you do need to be able to turn the crank.
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Old 09-03-2008, 04:33 PM   #17
silverbullet830
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it seems to be seized up now. i put a breaker bar on the crank and tried to turn it with the plugs out and couldn't budge it. don't know what happened between the last time i tried to start it and now. i have not drained the oil. just looked at the dipstick. when i try to crank it the lights dim and it clicks but like i said i couldn't budge it with an 18in bar. i'm pretty sure its terminal.
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Old 09-03-2008, 05:08 PM   #18
parkes
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1: Drain Oil
2: Remove spark plugs
3: Manual Spin Crank, For 30 Seconds
4: Leave over night, With no oil or plugs and terminals disconnected
5: Next morning Replace plugs, Fill oil
6: Start it up
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Old 09-03-2008, 06:06 PM   #19
silverbullet830
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2010 WRX Sedan
WRB

Default

i tried to spin the crank with the plugs out. won't move at all. would draining the oil help?
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Old 09-03-2008, 07:37 PM   #20
Opie
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Quote:
Originally Posted by silverbullet830 View Post
anybody wanna take a guess?
Bad Coolant temp sensor
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Old 09-03-2008, 07:53 PM   #21
silverbullet830
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Location: Baytown, TX
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2010 WRX Sedan
WRB

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would that keep it from firing?
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Old 09-04-2008, 12:50 AM   #22
parkes
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Quote:
Originally Posted by silverbullet830 View Post
i tried to spin the crank with the plugs out. won't move at all. would draining the oil help?
I hope your spinning the crank the right way and yes drain your oil, you may find something in it you may not like, smell it for gas.
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Old 09-04-2008, 03:32 PM   #23
silverbullet830
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doesn't smell like gas. i'll drain it asap. it won't turn either way. but it rotates clockwise normally and that was the first way i tried it. it wouldn't hurt anything to move it backwards just a little bit. i wouldn't sit there and crank it that way though.
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