 Electrical Guys Help - No Power to Fuel Pump, Could it be a bad coil? |
|
|
|
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG.
This site is not affiliated with Porsche in any way. Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners. |
|
|
| vesnyder |
 Oct 3 2005, 10:23 AM
Post
#1
|
|
Senior Member  Group: Members Posts: 680 Joined: 14-April 05 From: Cleveland, OH Member No.: 3,933  |
Trying to figure out why my fuel pump is not getting any power and determined the power for the pump comes directly off the coil. The voltage leaving the relay panel is ~12V, but coming into the coil is only about 2-3V - that is with the wire disconnected - with it connected to the coil it is only ~.3V. Is this right? How do I determine if the coil is bad? How much for a new one?
|
   |
 
|
  |
Replies
| lapuwali |
Oct 3 2005, 02:16 PM
Post
#2
|
|
Not another one! Group: Benefactors Posts: 4,526 Joined: 1-March 04 From: San Mateo, CA Member No.: 1,743  |
I didn't say, or mean to suggest, it was good practice to run the fuel pump off the coil, only that it's commonly done.
Just trying to help solve this one problem, not re-engineer the wiring completely. My mistake on the coil not being powered by the relay in stock form. I assumed the 25A fuse and the associated relay on the relay board ran the coil. Back to the original topic... Is there a dedicated wire on your car from the coil + terminal directly to the fuel pump? If not, then we need to back up and find out exactly what your problem actually is. If so, then someone has hacked up your wiring, and all bets are off on what *should* happen v. what's actually happening on your car. |
|
|
|
Posts in this topic
vesnyder Electrical Guys Help - No Power to Fuel Pump Oct 3 2005, 10:23 AM
lapuwali Your wiring has been hacked on, as the fuel pump p... Oct 3 2005, 11:15 AM SirAndy <... Oct 3 2005, 12:02 PM vesnyder The fuel pump power does seem to come from a dedic... Oct 3 2005, 12:03 PM Kerrys914 IIRC the L-jet fuel pump only runs when the "flapp... Oct 3 2005, 12:07 PM vesnyder 
|
1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:
|
Lo-Fi Version | Time is now: 9th June 2024 - 12:49 AM |
Invision Power Board
v9.1.4 © 2024 IPS, Inc.
| All rights reserved 914World.com © since 2002 |
|
914World.com is the fastest growing online 914 community! We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ... |