RE: [DML] Re: Hot start problem

[Dan Rosenstein <danrose@xxxxxxxxxxxxxxxxxxxxx>]

Have you checked the fuel pressure regulator?
I had a hot start problem with my car, and it ended up (thanks to help from Dave Jacobs) to be my seals in my pressure regulator.

-dan
2214

-----Original Message-----
From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of John Hervey
Sent: Monday, June 04, 2007 9:07 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: RE: [DML] Re: Hot start problem

Dave, did you read my post. Hot start is an accumulator / pressure problem
not a RPM relay problem.
John



-----Original Message-----
From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of
doctorDHD@xxxxxxx
Sent: Monday, June 04, 2007 6:21 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Re: Hot start problem

I guess I should have given more details ...
 
Last Friday I was at a cruise night here in Long Island and when I went to  
start the car after it was off for about 3 hours, it cranked well and seemed
to 
 catch for a spit second then just cranked and cranked.
 
I jumpered the RPM relay and still nothing, just cranked and cranked.
 
So I thought it might be an ignition problem.  I took out my spark  plug 
tester, basically a neon bulb in series with a spark plug wire, and
inserted it 
into the top of the ignition coil.  I then asked someone to  "try to start
the 
car while I would watch the tester" 
 
Well the car started right up in a split second like there was no problem
at 
all.
 
Hence my original question as to how long you need to jumper the RPM relay  
for before you will build up enough pressure / purge the lines...
 
What exactly is happening with the hot start problem.  Is it just low  
pressure that needs to build up, which should build up in a second or two,
or is  it 
some vaporization  phenomena like vapor lock in which you need to pump  
enough gas in to purge the lines, which may take longer...
 
Dave Delman
D² & 06530 and 2700 ohms


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