![]() |
|
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. |
|
![]() |
Hawk |
![]()
Post
#1
|
Member ![]() ![]() Group: Members Posts: 351 Joined: 31-December 02 From: Ann Arbor, Michigan Member No.: 57 ![]() |
I have a new to me fairly rust free 1971 914 w/ 1.7L that was finicky to start with and now impossible to get started. Ive replaced vacuum hoses, engine temp sensor, spark plugs, points, rotor , fuel pump and I'm fed up now and thinking of converting to carburators. I have no experience here and am seeking opinions on what to do, where to get parts and mostly, how to do the job without costing more than the car is worth. OK gurus, please weigh in. Thanks.
-Richard |
![]() ![]() |
DJsRepS |
![]()
Post
#2
|
Member ![]() ![]() Group: Members Posts: 431 Joined: 4-November 04 From: Sarasota Florida Member No.: 3,060 ![]() |
Keep the Djet. There is enough good help on this board to figure it out. Check the grounds on the block under the intake. Pull dist lube and clean the FI points then ohm them with meter. Check fuel pressure. Pull all wires off distrubitor (safty) pull injectors leaving line's and wire's on place shot glass juice glass pill botel under each injector ask someone to crank it over look for even spray patern apx same ammount of fuel in ea jar crack's and last dribbles when not turning over but turning on and off key to activate pump only. If you determine you have fuel injecting and have fire to the plug its going to run. Do vaccume check on the MPS (manifold pressure sensor). With ign on but not running opening the throdle you should hear the injectors ticking sound (shows ECU and TPS are talking to each other) Make sure valves are in adjustment, point dwell first then timing light, check for vacume leaks loose hoses etc...
Djet on a stock 1.7 is great. Carb on that 1.7 no real performance boost with out a carb orientated camshaft and head work. Main troubles of the Djet a. Trigger points b. MPS wont hold vacuume c. FI harness, terminals on harness and ground's on the harness. The ECU (brain box) rarely gives trouble. Most of the time the trouble can be fixed with good ohm meter (digital volt meter) Save the $$ save the Djet. |
![]() ![]() |
![]() |
Lo-Fi Version | Time is now: 17th June 2024 - 08:16 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 ... |