03 wrx wont start and battery keeps getting drained
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This is a discussion on 03 wrx wont start and battery keeps getting drained within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; so I did a tgv delete on my 03 wrx. and when I went to go start it I turned ...

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    03 wrx wont start and battery keeps getting drained

    so I did a tgv delete on my 03 wrx. and when I went to go start it I turned the key and the gas light went from 3/4s of a tank to below e and the fuel light is on, but I tried starting it since I knew theres gas in it and it just sits there and cranks but wont start. then when I turn the key off the oil light lights up and stays on. I have no idea whats wrong with it. if someone had the same issue and found out how to fix it I would greatly appreciate the info and help. I've been working on this car for a year now and everytime I fix one problem another one comes up. please help thanks

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    OMG WTF MainFrame's Avatar
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    So is there a problem with the battery or not? According to your post the battery works fine but you're getting weird gauge readings and the car cranks but does not start..

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    Registered User oguitar's Avatar
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    When I did my TGV deletes I had a similar issue. My first mistake was a installed the coolant sensor incorrectly and I was getting a CEL. I also had a leaking fuel injector. When I finally got everything correctly installed it took me like three or four times of solid 20 second cranking the engine before it finally started.

    So go over everything again. Make sure you have no leaks. Verify the charge on the battery. Prime the fuel lines and keep trying.
    Life is like riding a bicycle in order to keep your balance you must keep moving.

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    Im almost positive the battery is fine it ran and stayed a full charge before. and I will check over everything again, did you also have the gauges all messed up when you did it at first. im gonna take everything off and pretty much re due it this weekend. and where is the coolant sensor you were talking about.

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    Pro Manscaper Mikie13's Avatar
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    Is there oil in the car given the oil light comes on?

    Alternator fried?
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    yeah theres oil in it and would a bad alternator cause the gauges to mess up and for it not to start

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    Registered User WhiskeyWRX's Avatar
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    it sure would. I had a similar problem with a 2003 ford focus, i.e. gauges didn't work correctly and engine wouldn't turn over. after a few more tries the battery was dead. turns out when I got a jump and went to Autozone, they tested the battery and alternator and found that my alternator was bad and drained the battery. Had to replace both! anyway hope this helps!
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    thanks for the help guys im going to take off the alternator now and go have it checked and ill let you guys know what happens

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    Registered User oguitar's Avatar
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    The gauges should not be "messed up". What do you mean by this?

    Off the top of my head there are 5 critical sensors that need to be removed when pulling the intake manifold. You probably have an issue with the re-install. The coolant temp sensor is under the alternator.

    The alternators on these cars are very robust. Nine out of ten times the battery is the cause of a car not starting. If you tried to start your car on a fully charged but old battery you probably drained it enough to short a cell. I would have the battery checked as well.
    Life is like riding a bicycle in order to keep your balance you must keep moving.

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    k the alternator passed and the battery did not so I bought a new one and it still doesn't start and by messing up I mean the gas gauge dropped as low as it can go and the gas light is on. the oil light was on. and when I turn the car off and take the key out the oil light still kinda stays on. also when I turn the car off the temp gauge goes all the way to the top but when I try starting it goes all the way to the bottom. sorry for not explaining better. and when I took the tgvs out I didn't fully take the intake manifold off. I unbolted it and unplugged sensors and hoses and lifted it up and slid the tgvs out

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    update. . . got her running again. I was half way through taking it apart and realized I forgot to hook a main ground cable coming off the main wiring harness. its the one where if your looking at the engine its in the bottom right corner on the top of the intake. . thanks everyone for the help. I greatly appreciate it. I also finshed taking it all apart to doublecheck everything to make sure it was all good

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