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Electrical Problem...

3.6K views 7 replies 5 participants last post by  SuBeast  
#1 ·
I have an issue with my 02 WRX...for some reason, my engine drains out my battery after a certain amount of time when im driving, (ABS light goes off, radio dies, and my radar turns on and off like crazy) bought a new battery and took the alternator into autozone for a test and they said its still good. Cleaned the corrosion around the positive cable and its still draining my battery. Has anyone came upon this issue yet? Could it be a bad wiring or a bad ground somewhere? i just recently change the power steering/alternator belt but somehow when i installed it i had to force it on, usually you don't have to force a belt on. Than after a while my engine began to get all dusty and thats when my battery began to drain out. Can anyone help me?
 
#3 ·
sounds like a bad battery , altough you had it check it is very possible that it has lost the ability to hold a charge , you get it tested when the charge is high it will pass the check test , but under a constant load the battery drains ........other possibilities is the battery cables are worn or corroded this will cause the battery to drain but not recharge , clean the battery cables at they spot where the mount to the battery terminals ....
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#6 ·
oh yeah another thing, right before all this situtation happen i had a check light engine light...it was P0171 - system too lean (bank 1)..i did some research on it and it said something fuel being too lean or dirty MAF (Mass Air Flow). could this be a cause of the problem too?
 
#8 ·
WTF it drains WHILE driving? That would sound like a Alternator problem... Like, it's not charging while driving... WtF? Autozone don't know Shiat....