More 1.7 D-Jet issues, Please help before I remove it!! |
|
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. |
|
More 1.7 D-Jet issues, Please help before I remove it!! |
BK911 |
Dec 7 2007, 07:18 AM
Post
#1
|
Senior Member Group: Members Posts: 672 Joined: 19-February 04 From: Rocky Top, TN Member No.: 1,674 Region Association: None |
One reason I bought this car was because it still had the fuel injection. But now I am getting so frustrated trying to get it to run well, I am considering swapping the FI for carbs. Please help before I switch to carbs!
She runs well cold and hot, but not in-between. She will stall and is very difficult to restart. In fact, I have pushed her out of traffic on several occasions after she stalled at a red light. I wait a couple of minutes and she fires right back up. I have a gunson and have set the CO to 2.5 at idle and 2500 rpm. And again, she runs well once hot. The AAR works. I swapped out the CHT even though the old one tested fine. I am thinking it’s the cold start valve. I disconnected the wire to the CSV last night and reset the CO to 2.5. I went for a ride, came home and shut off the car. Let the gunson calibrate then rechecked the CO. Very lean and wouldn’t run worth a crap. I am thinking I have a leaky CSV. It was leaking when I set the CO and stopped leaking when the car heated up? Can I remove it? How do you plug it? If I just remove the gas lines to it, will it leak air? Is 2.5 a good number for the CO at idle and 2500 rpm? I’d appreciate any help. Please help me keep this car original!! |
swl |
Dec 7 2007, 12:38 PM
Post
#2
|
Senior Member Group: Members Posts: 1,409 Joined: 7-August 05 From: Kingston,On,Canada Member No.: 4,550 Region Association: Canada |
just a couple of thoughts.
if the problem went away when you disconnected the wires then it would suggest that the thermoswitch might be the culprit rather than the CSV itself. One of the wires that go to the CSV routes back under the air cleaner to the base of the plenum where the thermoswitch lives. The jovb of that switch is to ground the cct when the temp goes below a certain temp. Down in florida you probably never get cold enough for that switch to close. So if you got out an ohm meter and checked between ground and that wire you should see an open cct. If it is closed (0 ohms) you have found the problem. Don't plug the gas hose - you have to join them together to get gas over to the drivers side fuel rail. If I were going to get rid of CSV I would just use the CSV itself as a plug and use a piece of innertube as a gasket. |
Lo-Fi Version | Time is now: 27th September 2024 - 06:54 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 ... |