Re: [DML] Hot Start Issue

[Gus Schlachter <gus@xxxxxxxxxxxxx>]

Joey,

The PRV has a cold-start injector that adds more fuel during 
cranking...but only when the engine is cold.  When warm, there is no extra 
gas AND a drop in fuel system pressure, so no hot-start.

If stranded, you can move the CPR's connector (grey) onto the cold-start 
injector (blue) to get things going.  This keeps the injector dumping gas 
into the intake even after the car is started, however, so disconnect it 
quick!  (The CPR and the cold-start injector are both on the driver's side 
of the engine.)

You still need to fix the fuel system failure, which is probably in the 
accumulator.  Unfortunately, the entire car was built around this 
particular part and it can be challenging to R&R without damaging the hard 
fuel lines.  It could also be a missing/bad check valve in the fuel pump, 
but the accumulator uses a rubber diaphragm with a limited service life 
and is usually the culprit.

In the meantime, you can jump the thermotime switch so that the cold-start 
valve always fires during cranking.  I found the blue/black wire in the 
relay compartment (yours might be attached to  a unused relay socket) and 
wired it to ground through a switch.  I used my defrost switch, since the 
defrost is broken/useless anyway.  When the car won't start, I flip the 
switch and VROOOOM.


Gus Schlachter
VIN #4695
Austin, Texas





dmcnews@xxxxxxxxxxxxxxx wrote on 08/24/2005 09:27:26 AM:

> I am having a hot start issue. After the car heats up
> and I turn it off, I go to start it back up a few
> minutes later and it cranks but does not want start
> and I either end up flooding it or the battery drains
> on me and needs to be jumped. 
> Being a new owner, is this a common problem?? 
> 
> Joey
> 
> #6297 
> 
> 
> 
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