Volvo RWD 140-160 Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 4/2010 140-160 INDEX

[<<]  [>>]


 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

K-Jet running rich? 140-160 1974

posted by  uniberp on  Wed Apr 13 11:03 CST 2005
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Mon Jan 31 07:08 CST 2011
[RELATED]

Turning the Oh1 screw anticlockwise raises the fuel plunger relative to the airflow position sensor, thereby reducing the fuel sent to the injectors.
Left leans out the mix.
Mark where you started, and depart from that only carefully and gradually.

More items come to mind. The control pressure regulator aka warmup regulator, and the Aux air regulator.
Both mounted on the intake manifold. CPR sets control pressure, i.e. counter fuel pressure against intake air flow to prevent over-rich. Has low pressure at cold, high pressure at warm. Check the electrical connection to the CPR and to the Aux Air regulator.

Shine a light through the aux air regulator cold to see if air is allowed through. Warm should close.

http://www.ncr-pca.org/tech/tech-cis.htm

--
MPergiel, Elmhurst, IL '74 145e T-5 'Orange Alert'






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New K-Jet running rich? [140-160][1974]
posted by  linc  on Tue Apr 12 19:12 CST 2005 >


<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.