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Lost my fuel pump? by no2pencil
Started on: 04-01-2015 07:13 PM
Replies: 4 (88 views)
Last post by: theogre on 04-02-2015 05:15 PM
no2pencil
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Report this Post04-01-2015 07:13 PM Click Here to See the Profile for no2pencilClick Here to Email no2pencilSend a Private Message to no2pencilEdit/Delete MessageReply w/QuoteDirect Link to This Post
I was working in some item on my car, shift cables & sanding down the bolts on the c500 connectors. Put everything back together & losened the bolt to the distributor to time the engine (3.4L) & the fuel pump is silent when turning over the key. I must have bumped something, because it was working fine 2 weeks ago.

Any ideas? What have I done?
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Csjag
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Report this Post04-01-2015 07:34 PM Click Here to See the Profile for CsjagClick Here to Email CsjagSend a Private Message to CsjagEdit/Delete MessageReply w/QuoteDirect Link to This Post
I would check the fuses first
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no2pencil
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Report this Post04-01-2015 07:36 PM Click Here to See the Profile for no2pencilClick Here to Email no2pencilSend a Private Message to no2pencilEdit/Delete MessageReply w/QuoteDirect Link to This Post
Derp, I disconnected the oil presure Sensor!!!
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Gall757
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Report this Post04-01-2015 08:50 PM Click Here to See the Profile for Gall757Send a Private Message to Gall757Edit/Delete MessageReply w/QuoteDirect Link to This Post
If your fuel pump is running off the oil pressure sensor.....your fuel pump relay is bad. The oil pressure sensor switch to the fuel pump was intended to be a back-up connection.
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theogre
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Report this Post04-02-2015 05:15 PM Click Here to See the Profile for theogreClick Here to visit theogre's HomePageSend a Private Message to theogreEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Gall757:
If your fuel pump is running off the oil pressure sensor.....your fuel pump relay is bad. The oil pressure sensor switch to the fuel pump was intended to be a back-up connection.

Plus normally if only running on OP switch you have:
FP will NOT turn on w/ the key because of relay issues.
Long starter to get OP switch to see enough oil pressure for switch to turn on.

even if you have somehow wired the relay and OP switch in series, OP switch would cause same problem.

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