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84 2xx Engine Managment Questions and Comments

posted by  Miguels244 on  Thu Oct 16 07:42 CST 2003
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last visit: Sun Sep 30 07:47 CST 2007
[RELATED]

What I think I learned last night with my Haynes and a drop light...
am I even close ???

This is for my B23F in a 244GL
I verified the block casting is a B23

there seem to be several engine management systems flying in loose formation
1) LH Jet 2
2) CIS (Constant Idle System?)
3) Ignition control

Ff the first two it seems that you get one or the other...
so if you have a carb motor or older injection you can have independant CIS
but if you have LH-J-2 the CIS function is integrated into the injection system
Correct?


Now the strange and as yet unexplained part...
So there seem to be 2 different Ignition Control Systems
in the schematics and on this board

Chrysler:
White distributor cap
Knock Sensor
8 wire control unit

Bosch:
Red cap
No Knock Sensor
6 wire control unit

My car has:
Red Cap Bosch distributor (I can see the Bosch Logo on the casting)
8 wire control unit (Labeled Volvo #1346105 located Front Right Engine Bay)
A knock sensor I think (located bbetween cyls 2&3 on the block)

So what gives?
I am stumped...
I guess I should get the OEM electrical diagram,
it would probably help answer some other questions.

Like...
What is the blue (2 terminal) connector next to the washer tank for?

Thanks
Miguel Drake
NewBie:
My first Volvo
stock '84 244, 230+kmi (needs ODO gear)
Love It! Owned it since 9/03






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