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2000 Mitsubishi Galant Car stalling

Tiny
MATTOX
  • MEMBER
  • 2000 MITSUBISHI GALANT
  • 4 CYL
  • AUTOMATIC
  • 168,000 MILES
Hello,

I recently replaced my fuel pump on my car because my car was stalling on me and I was told that it needed to be replaced. After replacing the fuel pump my car continues to stall on me. Before it stalls, all of the lights come on in the car. I was wondering if I need to check my fuel filter or if it could possibly mean that my alternator needs to be replaced.

Thanks,
T. Mattox
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Wednesday, November 12th, 2014 AT 11:28 AM

11 Replies

Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
The alternator could be a possibility. Are you able to drive to your local parts store to have them do a free test for you?
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Wednesday, November 12th, 2014 AT 11:35 AM
Tiny
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  • 6 POSTS
I am a little nervous to drive the car with it stalling on me. Someone told me to disconnect my battery cable to see if the car turned off and it did. So could this actually be my alternator.
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Wednesday, November 12th, 2014 AT 12:12 PM
Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
In the old days that was one way to test for a failing alternator. With how computer controlled the cars are now days. Its really not a good idea to do that. Do you have a digital multimeter or anything to read voltage? If so while the engine is running check the voltage at the battery or even better at the positive post of the alternator. The voltage should be at about 13.5 - 14.5 volts with no accessories on. If the voltage is lower than that and you can actually watch the voltage go down as the car continues to run then I would look into replacing the alternator.
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Wednesday, November 12th, 2014 AT 1:55 PM
Tiny
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  • MEMBER
  • 6 POSTS
I replaced my alternator and my battery and my car still does not work. When I start the car the only way that it stays on is if I pump the gas.
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Thursday, November 13th, 2014 AT 2:54 PM
Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Do you have a large fuse for the alternator? Such as 110 amp? Does the stall out only at idle or also while driving?
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Thursday, November 13th, 2014 AT 3:01 PM
Tiny
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  • 6 POSTS
Yes there is a fuse for the alternator and it stalls during both
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Thursday, November 13th, 2014 AT 3:20 PM
Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Do you have a test light to be able to check fuses? Will the vehicle start right up again after it stalls?
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Thursday, November 13th, 2014 AT 3:30 PM
Tiny
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  • MEMBER
  • 6 POSTS
No I do not have a test test light to check fuses. I could possibly ask someone to do it for me. The car doesn't start right up after it stalls.
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Thursday, November 13th, 2014 AT 4:13 PM
Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Hmm. Since it won't start right after out shuts off. Does the engine still turn over when you try to start it? If it does, I believe you could have an intermittent crank position sensor issue. Let look at a diagram first. When a crank sensor fails, you lose spark and injector pulse.
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Thursday, November 13th, 2014 AT 4:49 PM
Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Just checking in on your progress. Any luck fixing the issue?
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Sunday, November 16th, 2014 AT 12:34 PM
Tiny
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  • 6 POSTS
I have my car in a repair shop and I have been told that I need an O2 sensor and a new throttle body for my car.
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Monday, December 15th, 2014 AT 2:40 PM

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