74 2.0L, Running Very Rich, owner quite confused, need diagnostic help |
|
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG.
This site is not affiliated with Porsche in any way. Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners. |
|
74 2.0L, Running Very Rich, owner quite confused, need diagnostic help |
drumsticks2112 |
Sep 20 2009, 12:56 PM
Post
#21
|
Newbie Group: Members Posts: 7 Joined: 29-October 08 From: New London Member No.: 9,704 Region Association: Upper MidWest |
Car fires without a problem, but idles quite rough, and runs very rich, so much so that when the it settles down to normal idles, it floods out. MPS was replaced with a used but tested one recently. When it was last running ( a year ago) it ran a little rich, but nothing like this.
As of now, the CHT is not connected. When it is connected, the RPMs jump up to 4000 and stay there. When the CHT is bypassed with direct grounding of the harness, the results are the same as with the sensor being disconnected. I have no reason to suspect the injectors, FPR, Decel Valve, or the MPS. Any and all advice is welcome. -Todd |
CHAZT54 |
Oct 8 2009, 12:27 PM
Post
#22
|
CHAZT54 Group: Members Posts: 19 Joined: 29-December 08 From: New London, Wisconsin Member No.: 9,878 Region Association: Upper MidWest |
EUREKA!!
It finally runs & idles normal. That CSV must have been a main culprit all along because I never did find a major vac leak. Thanks again for all your help. Now I 'd better change the oil and get rid of the diluted stuff. CHAZT |
Lo-Fi Version | Time is now: 28th September 2024 - 11:03 AM |
All rights reserved 914World.com © since 2002 |
914World.com is the fastest growing online 914 community! We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ... |