Date:         Sun, 23 Jan 2011 00:44:50 -0500
Reply-To:     Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject:      Re: Fuel Injector Question
Comments: To: zzyzx <zzyzx9@GMAIL.COM>
In-Reply-To:  <4D3B347E.9060905@gmail.com>
Content-Type: text/plain; charset="us-ascii"

If you change the whole set you can kiss the ECU goodbye. One may not do too
much damage.
The air-cooled injectors have approximately 4 ohm coils and a resistor is
used to reduce the current. The water cooled injectors are ~16 ohm and get
the positive voltage directly from the fuel pump circuit.

4- 16 ohm loads in parallel = a 4 ohm load. 4 ohms at 12 volts = 3 amps
being switched by the ECU.

4- 4 ohm loads in parallel = a 1 ohm load.  1 ohm at 12 volts = 12 amps. See
the problem here? All 4 injectors are wired together in parallel and
controlled by only one output device.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
zzyzx
Sent: Saturday, January 22, 2011 2:48 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Fuel Injector Question

280 150 106
122 906 031D

Would the above part numbeed fuel injector from a 1978 type II van
cause/contribute to fuel injection system problems/failure on a 1980
Westy with electronic ignition system?

Blue injectors on 1980 westy
The above part number is a gray injector.

TIA
Steve