RE: [DML] Re: Fuel Pump Problem
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RE: [DML] Re: Fuel Pump Problem



In order of ease, first check the inertia switch (10 seconds) then the fuel pump fuse in the fuse box (1 minute), then jump your rpm relay (5 minutes), then open up the boot and check for voltage at the pump while cranking (20 minutes).  You can also use your standard battery charger to supply 12v directly to the pump briefly to see if it runs - but be sure there are no gas fumes present as you may make a spark (do this only at your own risk, obviously).

 

The pump often gets loud when about to fail, so if you did not notice that, suspect failed electrics over a failed pump.

 

Tom

 

From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of adamfastdmc
Sent: Monday, July 12, 2010 7:11 AM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Re: Fuel Pump Problem

 

  

Before you worry about removing or accessing the pump, try this, it's generally much easier to do:

http://specialtauto.com/delorean-parts/images/rpm-relay-jumper.jpg

This will tell you definitively if your pump and circuit are okay - you'll hear it start running. If this works but putting the relay back in doesn't let you start the car, you need a new relay - email davidmckeen@xxxxxxxxxxx <mailto:davidmckeen%40netzero.net>  or find him on DMCTalk.com, user name Bitsyncmaster - he sells upgraded solid state RPM relays that are much better and more reliable than the factory ones. 

If jumpering the pump doesn't work, check your inertia switch (driver's side footwell, black box on a bracket that's either behind the pedals (in which case you need to consider performing the recall on that item) or off to the left) and then your pump proper. 

Based on my experience with my car and reading other people's experiences, it's usually a flaky relay or inertia switch that causes these sudden total-failure problems. 

--- In dmcnews@xxxxxxxxxxxxxxx <mailto:dmcnews%40yahoogroups.com> , Rob Hook <rob_hook@...> wrote:
>
> The removable plate you want to take off is under the spare tire.  It's pretty 
> big and is there specifically to allow access to the fuel pump.  Once you have 
> that off, remove the large hose clamp around the rubber cover, remove it, and 
> you'll be looking at the top of the pump and all the wiring.  Check there for 
> voltage.  If you have voltage there but no fuel delivery, the pump is pretty 
> straight-forward to replace once you see it.
> 
> 
> 
> 
> ________________________________
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