Re: [DML] ACCELERATION PROBLEM
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Re: [DML] ACCELERATION PROBLEM



Mike,

A friend of mine had a similar problem with his DeLorean and he discovered that it was the fuel control pressure regulator (I think that is what it is called)  it is on the drivers side valve cover near the firewall.  Has that been replaced on Joshes car? if not, you might want to test that out.  You could swap it with a known good fuel control pressure regularor rt find out if josh's is bad and if that is indeed what is causing the problem.  Let me know what you find out

thanks

chris

--- On Sun, 7/6/08, mike clemens <rmclemns@xxxxxxxxx> wrote:
From: mike clemens <rmclemns@xxxxxxxxx>
Subject: [DML] ACCELERATION PROBLEM
To: dmcnews@xxxxxxxxxxxxxxx
Date: Sunday, July 6, 2008, 3:08 PM

Josh's car has once again got me stumped.  Here's what is happening: 
Start the car up and it idles right on specs, try to give it gas and it wants
to hesitate and almost quit.  Back off the gas, it goes back to idle.  As the
car warms up, you can get more and more rpm but never full throttle.  After the
car is warmed up to where the fans come on, the idle hunts up and down, between
650 and 850 rpm.  The car starts backfiring if you try to go above 5000 rpm. 
If you move the throttle off the microswitch that controls the frequency valve,
idle stabilizes at 950-100 rpm.

The plugs are new, the idle speed motor is new, the injectors have been cleaned
by JH and are all working.  All vacuum lines have either been checked or are
new, no leaks.

Any ideas of what might be wrong?

Mike   TPS   1630


      

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