RE: [DML] The Flickering Tach, High Hunting Idle Challenge

["John Hervey" <john@xxxxxxxxxxxxxxxx>]

Dave,
Put a cap from ground to the - neg side ( Term 1 ) of the ignition coil. You
can read on page 22 & 23 of the technical manual about the pulse coil.
Basically you killed the AC pulse so the ECU has nothing to read.
If the car is seeking, then when the car is hot you need to readjust the 02
/ fuel mixture screw. Normally I replace the 02 sensor and adjust to it,
again when the car is hot. Some people adjust with the 02 disconnected, but
I don't.
John Hervey
www.specialtauto.com
President
Delorean parts Vendor
12/7
9am to 9pm



-----Original Message-----
From: drdhdmd [mailto:doctorDHD@xxxxxxx]
Sent: Thursday, December 30, 2004 8:12 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] The Flickering Tach, High Hunting Idle Challenge





> OK all you techno wizards, this ones for you.
> 
> When I connect a 2.2 microFarad capacitor across the ignition pulse
> coil, not only does my tach flickering disappear but the idle settles
> down to an almost rock steady 775rpm from the usual hunting 800 -
> 1200.
> 
> Thus this "solved" my three problems, flicker, high idle and hunting
> all at once.   I say "solved" because the car won't rev above 1100
> rpm with the capacitor there.
> 
> What's your diagnosis!
> 
> Happy New Year  remember stay alive don't drink and drive.
> 
> I think we are getting closer to the answer....
> 
> D²and 6530





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