 Fuel pump not running when hot, What the...? |
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| Mike D. |
 Jun 10 2003, 03:07 PM
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#1
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OK, It runs now, and pretty good too!  Group: Members Posts: 1,445 Joined: 3-January 03 From: Santa Clarita, Ca Member No.: 85 Region Association: None 
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Would vapor lock keep a fuel pump from actually running? ('74 2.0)
I am looking over an aquantances 914, basically the guy stopped me when he saw my car and asked if I knew anything about them. So I went to his house and this is what I found. Car runs fine until it's warmed up and stopped. Then I noticed when cycling the ingnition switch for the fuel pump it was not pumping, no buzzing sound. I swapped relays on the board and got one buzz then no more again. Pump is new, still in stock location. Any ideas? -Mike D. |
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| SirAndy |
Jun 10 2003, 03:50 PM
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#2
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Resident German Group: Admin Posts: 41,682 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
ground?
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| garyh |
Jun 10 2003, 04:09 PM
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#3
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Member Group: Members Posts: 170 Joined: 8-January 03 From: San Mateo, CA Member No.: 114 |
Bad pump.
BTDT. G. (Probably killed by the rust from the tank :) |
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| Mike D. |
Jun 10 2003, 10:42 PM
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#4
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OK, It runs now, and pretty good too! Group: Members Posts: 1,445 Joined: 3-January 03 From: Santa Clarita, Ca Member No.: 85 Region Association: None
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Thinking about it more I'm going to go with ground/electrical problem. Heat can change resistance in wiring, especially if it's corroded. I'll start by checking continuity from the relay board to the pump. I did notice that someone has put some additional material on the underside of the relay board.
I'll also shove a magnet down in the gas tank. Good idea... -Mike D. |
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