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Old 02-25-2008, 03:23 PM   #1
Seyar
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car won't start?

I tried starting my car since its been sitting all winter in the garage. I tried a few times before too and the car would take a while to start and than it would die right after a few seconds. But now it won't start period. The engine cranks but won't turn over and the battery just dies. I even tried starting it with booster cables but still nothing. And i am pretty sure when i turn the key to on i don't hear the fuel pump. Do you guys think it could be the fuel pump or something else? oh and the car is 92 325is
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Old 02-25-2008, 09:58 PM   #2
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may be it's the fuel pump.
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Old 02-25-2008, 10:34 PM   #3
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i am guessing its the fuel pump aswell because i took the back seat out and opened the cover where the fuel pump is and don't hear a thing. But do i change just the fuel pump or the sender too?
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Old 02-27-2008, 03:41 PM   #4
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so i charged the battery and the car started but not like it used to right away. But than again i left it on for a few minutes and than it shut off by it self. So i am guessing it can't be fuel pump because the car started. Could it be because of the o2 sensor or catalytic converter?
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Old 02-27-2008, 05:25 PM   #5
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Quote:
Originally Posted by tegboi View Post
so i charged the battery and the car started but not like it used to right away. But than again i left it on for a few minutes and than it shut off by it self. So i am guessing it can't be fuel pump because the car started. Could it be because of the o2 sensor or catalytic converter?
Doubt it could be o2 sensor or catalytic converter. Could be your alternator (it won't give enough power and your car is running off your draining battery until it drains completely, then the car dies)
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Old 02-27-2008, 07:52 PM   #6
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Try to leave the booster on the car for a bit and see if it will stay running. If it does stay running then remove the cables, if the lights start to go dim then you know its the alternator.
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Old 02-27-2008, 08:16 PM   #7
Mickey Knox
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mine doesnt like that either

i have a 93 325is and if i move it around the drive way alot and just turn it and and off it will tend to stall and idle rough. the long sitting plus the turning on and off could do that
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Old 02-27-2008, 08:49 PM   #8
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based on just what you said (stalls after running with new batt) i gotta say its the alternator. Just start with trying the easiest solutions (fuses, etc.) and work your way up.
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Old 02-27-2008, 10:52 PM   #9
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i had the same problem today..
then i let it rest and tried again.

it was cranking but not turning over. i step on the gas pedal and it slowly started. and after that, it was good for the whole day. this is the first time that happened to me. i had less than 1/2 tank of gas. i dont even know what's the problem .
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Old 02-28-2008, 10:42 AM   #10
bbojangles
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As far as I know.. cranking and turning over are the exact same thing?

I dont know what you mean, the key has 4 positions, 0, I, II, and start.
In the start position the starter motor needs to
a) engage the pinion to the ring gear
b) spin and therefore make the engine spin around

for the engine to start running, it needs to "fire" and then starts to "idle"

Sepping on the gas pedal is not supposed to start the engine, if that is happening you have serious issues -- hehehe.. I also dont know what slowly started means. do you mean a long time cranking the engine and eventually it started? did it idle right away?

I think that the ability to help online is really dependant on using good words to describe what is happening. mind reading is VERY difficult.
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Old 02-28-2008, 01:37 PM   #11
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yea the car wouldn't FIRE up. The engine would spin but not fire up. After many tries it finally did fire up and than shut back off. Than i tried yesterday again and it wouldn't fire up again and the battery was low again. Hope that explains a little better
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Old 03-13-2008, 02:01 AM   #12
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forgot to mention that there is no spark coming to the coils and i don't hear the fuel pump, so the next guess would be crank position sensor?
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Old 03-27-2008, 03:06 PM   #13
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thanks guys it was the crank sensor.
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