RE: [DMCForum] Hotstart (New accumulator and pump
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RE: [DMCForum] Hotstart (New accumulator and pump



Samuel,
If you got the accumulator from me there should be a what I call Hot Start 2
kit with it. It's the O ring s that go in the fuel distributor primary
pressure regulator where it can leak down also. If that has been replaced
and it still won't start hot, then I would enrich the 02 setting just a
hair.
John


  -----Original Message-----
  From: Samuel [mailto:samuel_yahoo@xxxxxxxxxxxxx]
  Sent: Sunday, March 07, 2004 2:24 PM
  To: dmcforum@xxxxxxxxxxxxxxx
  Subject: [DMCForum] Hotstart (New accumulator and pump


  I was having a hot start problem, the accumulator was known to be bad so
  it was replaced. The hotstart persisted so the check valve on the pump
  was also replaced. I still have a hot start issue and dont want to
  guess. No matter how long I crank, it wont start, it has to cool for
  about 2 hours. Doing a plug swap does not allow it to start, and did not
  allow it to start since I've had the problem. It should be noted, the
  hot start came with the car, it didnt show up recently.

  I put a pressure tester on the system, as the tech manual shows on page
  62. After running the engine and letting it warm up (about 30 minutes of
  running), the valve was closed to the line from the pressure regulator
  (so the guage shows pressure at the top of the distributor) and the
  engine turned off. The pressure dropped down to ~3.5 bar, then after
  about 10 minutes settled around 2.9 bar. I have managed to confuse
  myself as to what I am measuring. I am unsure if i'm measuring the
  control pressure, or the primary pressure.

  If I am measuring the primary pressure, then that would mean the
  accumulator and check valve in the pump are good, so my hotstart is from
  something else (note, my distributor has been messed with in the past).
  If I am measuring the control pressure, then how do I measure the
  primary pressure (turn guage around? Thought that would measure pressure
  back to the tank).

  Samuel



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