|
|

|
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. |
|
|
| JtoTheBeezy |
Aug 14 2014, 12:20 PM
Post
#1
|
|
Newbie ![]() Group: Members Posts: 18 Joined: 5-July 14 From: Sacramento CA Member No.: 17,591 Region Association: Central California |
With no consistency my 2.0 fi car will sputter and shutter. Its hard to tell weather its a lack of fuel or a lack of spark. Its fairly speratic but constant once the car is warm. What I usually have to do is stomp it or feather it past 4k rpm and it runs fine above 4k.
Things ive fixed/replaced New oil and filter new fuel filter Checked/replaced any bad vacuume hoses replaced and calibrated the tps checked mps checked aar. Stays closed 24/7 which is better than open randomly new cap new rotor Adjusted timing to the best of my ability (IMG:style_emoticons/default/blink.gif) I've owned this car for over a month now and it has never run properly due to this problem. Today im going to check the injector points and do a valve adjustment. I can hear the injectors firing with the key in the on position but they could still have issues I suppose. Help me... carbs are calling my name. (IMG:style_emoticons/default/bs.gif) (IMG:style_emoticons/default/WTF.gif) |
![]() ![]() |
| BeatNavy |
Aug 14 2014, 06:32 PM
Post
#2
|
|
Certified Professional Scapegoat ![]() ![]() ![]() ![]() Group: Members Posts: 2,962 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region
|
I agree with these suggestions (dwell, timing, fuel pressure), but I'd also check the connection to the CHT. Could a bad connection to the CHT or a failing CHT cause symptoms such as this? If the ECU is getting inconsistent head temperature readings it's going to do funny things. If the engine is warm and you sporadically lose continuity with the CHT the ECU is going to sporadically make the mixture too rich.
Just another theory. |
JtoTheBeezy D-Jet sputtering Aug 14 2014, 12:20 PM
JtoTheBeezy http://www.webercarbsdirect.com/product_p/wk288.ht... Aug 14 2014, 01:00 PM
Java2570 Check your fuel pressure and look for any kinks in... Aug 14 2014, 02:21 PM
914Mels If the problem doesn't show up till at operati... Aug 14 2014, 02:27 PM
JtoTheBeezy Forgot to mention my fuel economy is crap! I w... Aug 14 2014, 03:48 PM
JawjaPorsche Injectors? Leaking too much fuel? Aug 14 2014, 04:14 PM
76-914 Check your fuel pressure, if high check your retur... Aug 14 2014, 04:22 PM
r_towle
Adjusted timing to the best of my ability :blin... Aug 14 2014, 06:58 PM
JtoTheBeezy
Adjusted timing to the best of my ability :bli... Aug 14 2014, 08:09 PM
BeatNavy
How do I check a cht?
I would focus on dwell and... Aug 15 2014, 06:50 AM
BeatNavy
I definitely have a timing light.
Get a dwell me... Aug 15 2014, 07:03 AM
JStroud It sounds like your timing is still off, among oth... Aug 14 2014, 08:19 PM
Java2570 http://www.pelicanparts.com/techarticles/9.../914_... Aug 15 2014, 05:52 AM
The Cabinetmaker Classic symptoms of a full rich mps. Get Jeff to c... Aug 15 2014, 09:23 AM
Gcotton92203 I had what sounds like the same problem with my 73... Nov 5 2014, 09:53 PM![]() ![]() |
|
Lo-Fi Version | Time is now: 16th April 2026 - 11:44 PM |
| 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 ... |