HELP!!!!!!!
1991 loyale
Died all of a sudden. Checked spark, it's good. Checked for fuel at filter, no pressure because fuel pump isn't running. Pulled fuel pump and tested it, and it works just fine. Whipped out the Fluke and tested the power to the fuel pump. When the key is first turned on, it reads about ten volts, then drops to zero after about one second. When cranking, no voltage appears.
What demons have possessed this car? Could it be the fuel pump relay? The computer?
I've got spares of both, but they are 800 miles away, so I need to find out what's wrong.
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Guest Message by DevFuse
fuel pump WTF? Now even bigger WTF
Started by
Snowman
, Dec 03 2003 09:17 PM
7 replies to this topic
#2
calebz
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- Administrator
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- 7,547 posts
Andys Coupe killed my cat
- Tacoma
Posted 03 December 2003 - 09:29 PM
If you are getting spark, its probably not the computer. Fuel pump relay is a good bet. If its easier for you, I will send you one.. save you an 800 mile trip.
#3
Snowman
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- Members
- 3,538 posts
Midnight Passenger
- Haines
Posted 03 December 2003 - 09:39 PM
Thanks caleb. I don't think I'll have a chance to check it out until next monday, but I'll PM you if I need one (it's not terribly important that the car is running right now, and I'll be making the trip for Christmas anyway. I may still take you up on that though, because I might need the car running sooner than that.)
#4
calebz
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- Administrator
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Andys Coupe killed my cat
- Tacoma
Posted 04 December 2003 - 12:03 AM
Cool. I have 3-4 of them floating around in my garage. Just let me know.
#5
MilesFox
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- Members
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Catch this Fox!
- Madison/Milwaukee, WI
Posted 04 December 2003 - 01:36 PM
if you get vols and it quits, sounds lile the relay is working.
when you turn the key to run position, it kicks the pump on for a few seconds.
after that, the fuel pump comes on when sensing a signal from the rotating distributor.
so you will want to check out where the signal from the dist goes, and what it goes to to kick the fuel pump on
when you turn the key to run position, it kicks the pump on for a few seconds.
after that, the fuel pump comes on when sensing a signal from the rotating distributor.
so you will want to check out where the signal from the dist goes, and what it goes to to kick the fuel pump on
#6
Skip
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- Moderator
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- 8,991 posts
Flatuous Blather
- Latrobe, Pennsylvania
Posted 04 December 2003 - 03:07 PM
Well Donald it is not quite as simple as vols (what are they, small rodents?) and dists
If you follow this link
http://usmb.ultimate...light=fuel pump
You will see, we all can learn something from doing some searching and reading.
The seatbelts of all things??
If you follow this link
http://usmb.ultimate...light=fuel pump
You will see, we all can learn something from doing some searching and reading.
The seatbelts of all things??
#7
MilesFox
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- Members
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Catch this Fox!
- Madison/Milwaukee, WI
Posted 04 December 2003 - 03:44 PM
i am posting from what i know and my experiences more than from what i read off the board.
#8
Snowman
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Midnight Passenger
- Haines
Posted 08 December 2003 - 09:46 PM
Now I'm REALLY confused.
Today I put the pump back on, and just for s***s and giggles turned the key, and it started right up! Runs fine ever since.
I'm gonna go check the fuel pump relay, and test the voltage at the pump again to try to figure out what was going wrong. Maybe Alice was just not happy with me last week for some reason.
Today I put the pump back on, and just for s***s and giggles turned the key, and it started right up! Runs fine ever since.
I'm gonna go check the fuel pump relay, and test the voltage at the pump again to try to figure out what was going wrong. Maybe Alice was just not happy with me last week for some reason.
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