 How do you adjust idle on 1975 1.8L l-jetronic |
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| steveneashcraft |
 May 16 2009, 05:21 PM
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Newbie  Group: Members Posts: 6 Joined: 30-April 09 From: Arizona Member No.: 10,317 Region Association: None  |
Assuming that everything is right. Where is the idle adjustment on a 1975 Porsche 914 with a 1.8L engine with l-jetronic. Car is absolutely stock.
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| ndfrigi |
May 18 2012, 03:23 PM
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Advanced Member Group: Members Posts: 2,960 Joined: 21-August 11 From: Orange County Member No.: 13,474 Region Association: Southern California 
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Hi Steve,
I'm also a newbie with 914 (1975 1.8L), I got mine last Aug. 2011. Anyway, I agree with Capt and other members of their comments and suggestions. Just to give you also my side, my teen was not running since 2003 from previous owner (my neighbor around the block), so that is 8 years non running teen. What I did first is to replaced battery, replaced all vacuum lines, replaced all fuel lines (except fuel lines along the tunnel), drain gas tank and after that, the car already running but the idle only good for 1,200 rpm and if I lower it, it will die. Until now, I did not touch my distributor cap or adjust anything with it. So after driving the car for a while, I tried to look for some more issues to lower my idle below 1,000. So yes I did find one thick rubber hose attached to the intake manifold just beside the cold start valve that was kind of loose, so I replaced that and now the idle stays below 1,000 and does not die anymore and it start better even in the morning. Still planning to check or adjust the valve which I assume needs to be adjusted. In regards to the idle screw, I had a hard time adjusting the idle with that screw until all the vacuum lines are perfect. Thank you and God Bless! Noel |
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Posts in this topic
steveneashcraft How do you adjust idle on 1975 1.8L l-jetronic May 16 2009, 05:21 PM
Cap'n Krusty
Assuming that everything is right. Where is the ... May 16 2009, 06:33 PM
steveneashcraft
Assuming that everything is right. Where is the... May 17 2009, 07:28 AM Cevan That rod is the top of the butterfly valve. I jus... May 17 2009, 07:37 AM Bleyseng its a air bypass screw nothing to it really May 17 2009, 07:33 AM steveneashcraft Thanks for the quick reply. I'm still confus... May 17 2009, 08:39 AM Cap'n Krusty The "hold the idle steady" comment scare... May 17 2009, 09:34 AM steveneashcraft
The "hold the idle steady" comment scar... May 17 2009, 12:48 PM Dave_Darling
1) What should be under the air bypass screw on ... May 17 2009, 02:58 PM steveneashcraft Dave,
Thanks. That makes sense. I was told that ... May 17 2009, 04:13 PM Cap'n Krusty OK. If you can't get it right with the air bl... May 17 2009, 04:25 PM vsg914 Wow, whered ya find that old thread. I hope he has... May 18 2012, 03:34 PM 76-914 So there was a time that :poke: the Cap'n wa... May 18 2012, 04:20 PM Cap'n Krusty
So there was a time that :poke: the Cap'n w... May 18 2012, 05:36 PM vsg914 :lol4: May 18 2012, 08:01 PM messix i had this problem once and it was vacuum leaks on... May 19 2012, 09:30 AM double-a I recently performed some troubleshooting on my ... Mar 26 2015, 08:31 AM Geezer914 Having the Cap'n reply to posts is worth the p... Mar 27 2015, 06:16 AM |
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