Fuel Pump runs constantly., Relocated and rewired by PO. |
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Fuel Pump runs constantly., Relocated and rewired by PO. |
Crash207 |
Jun 8 2011, 05:10 PM
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#1
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Newbie Group: Members Posts: 17 Joined: 23-May 11 From: United States Member No.: 13,108 Region Association: Rocky Mountains |
Hey guys.
73 1.7 D-Jet. 3 port Bosch fuel pump (now located under the fuel tank) runs constantly and is a bit loud. I read that it is supposed to run for 1-1.5 seconds and stop with key on engine off. Checked wiring and found it is wired directly to Fuse #8 on the fuse panel. Where should it be wired? Side note. Car sat for 5 years before i rescued it and the fuel pump had power but didn't run until i whacked it a few times. Thanks in advance, You guys are awesome and your expertise is much appreciated. |
r_towle |
Jun 8 2011, 11:25 PM
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#2
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Custom Member Group: Members Posts: 24,588 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States |
Its really not a safety issue.
the pump turns on for 1.5 seconds to prime the system and get it up to pressure. All electrical power is diverted to the starter when cranking...all of it. As you know...our starters need all they can get. After the car has started, the fuel pump is running constantly till you turn off the car. If its loud, mount it on rubber isolators. Rich |
Derek Seymour |
Jun 8 2011, 11:37 PM
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#3
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Member Group: Members Posts: 394 Joined: 10-March 09 From: Yucaipa Member No.: 10,151 Region Association: Southern California |
Mine is from a fucking Volvo and sounds like a sewing machine, but it works right because of the previously mentioned proper wiring.
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