RE: [DML] Is My Idle OK?
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RE: [DML] Is My Idle OK?



Todd,
It is normal for the dwell to swing like that. That means your computer is
working and receiving a signal from the O2 sensor. Mine will swing about
10-15 degrees. Make sure the car is warmed up (fans cycle on/off), set the
dwell and then replug the hole and watch the dwell. Your goal is a average
reading of 40-45 degrees. I'm trying to remember but I think a higher dwell
reading will result in a leaner mixture and then result in harder starting
but better performance off the line. A lower dwell reading will be richer
and thus starting will be easier but some off line performance may be
sacrificed.
 
You will need a K-Jetronic fuel pressure test guage set to properly
determine any fuel problems. I bought mine at NAPA for around $85. I see JC
Whitney also has them. I believe John also will sell you a set. A good
investment if you are planning on keeping the car and doing your own
maintenance. Another thing is buy a book on Bosch fuel injection systems.
One quick check you can do on the CPR is remove both hoses on top and look
down inside the holes. One hole will have a screen or filter in it. Take a
shop air hose and apply air to the opposite hole to blow out any dirt in the
filter/screen. Reassemble, test for leaks, and take a test drive.
 
Dave Sontos
vin 02573  Virginia

  _____  

From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of
Todd Nelson
Sent: Thursday, June 29, 2006 10:43 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: Re: [DML] Is My Idle OK?



Thanks John,

I just recently replaced the O2 sensor, it's actually one of yours :-) I 
bought it quite some time ago and finally got around to installing it. I 
will take your advice and monitor the fuel spray from the injectors. 
Setting the fuel/air ratio is what I have been trying to do with little 
success. What seems to be most troubling is I can never get the reading 
from the dwell meter to be steady. It will usually hop somewhere between 35 




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