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> L-Jet Injectors Aren't Getting Ground, L-Jet Injectors
nmkimosabe
post Mar 21 2026, 09:44 AM
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After a thorough investigation, it appears that the injectors are not getting ground to fire properly on my 1974 1.8L. Maybe it's an air flow sensor issue but not sure. All the other wiring seems to be okay. I would appreciate any thoughts from the knowledgeable folks on this forum. Thank you.
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nmkimosabe   L-Jet Injectors Aren't Getting Ground   Mar 21 2026, 09:44 AM
JeffBowlsby   Check the schematic for these circuits. LJet injec...   Mar 21 2026, 09:58 AM
nmkimosabe   Check the schematic for these circuits. LJet inje...   Mar 21 2026, 04:25 PM
nmkimosabe   Check the schematic for these circuits. LJet inj...   Mar 22 2026, 10:42 AM
Superhawk996   I will order a new resistor pack as mine might be...   Mar 22 2026, 11:16 AM
nmkimosabe   I will order a new resistor pack as mine might b...   Mar 22 2026, 12:55 PM
fiacra   Jeff is the expert here so I'd start with what...   Mar 21 2026, 12:15 PM
nmkimosabe   Jeff is the expert here so I'd start with wha...   Mar 21 2026, 04:19 PM
Superhawk996   Just beware - lots of mechanics are basically lear...   Mar 22 2026, 01:24 PM
nmkimosabe   Just beware - lots of mechanics are basically lea...   Mar 22 2026, 02:11 PM
nmkimosabe   Here's an update on my 914 and unfortunately, ...   Mar 31 2026, 05:07 PM
Superhawk996   . I had the car towed to my mechanic who spent 2 d...   Mar 31 2026, 07:45 PM
nmkimosabe   . I had the car towed to my mechanic who spent 2 ...   Apr 1 2026, 09:14 AM
Superhawk996   A) I believe it is getting spark, and fuel but j...   Apr 1 2026, 12:11 PM
JeffBowlsby   L-Jet is one of the early EFI systems, common in t...   Mar 31 2026, 05:41 PM
nmkimosabe   L-Jet is one of the early EFI systems, common in ...   Mar 31 2026, 06:44 PM
Rob-O   I’m with Superhawk. Make a plan and methodicall...   Apr 1 2026, 11:39 AM
nmkimosabe   I’m with Superhawk. Make a plan and methodical...   Apr 1 2026, 12:13 PM
Superhawk996   Yes I can use a voltmeter and I have a list of t...   Apr 1 2026, 12:48 PM
StarBear   Also check the o-ring on the oil filler cap. A fai...   Apr 1 2026, 12:28 PM
nmkimosabe   Also check the o-ring on the oil filler cap. A fa...   Apr 1 2026, 02:42 PM
Maltese Falcon   Check your main grounds around the engine bay/ and...   Apr 1 2026, 12:31 PM
nmkimosabe   Check your main grounds around the engine bay/ an...   Apr 1 2026, 04:07 PM
nmkimosabe   Well 2 weeks and learning a lot about L-jet inject...   Apr 7 2026, 02:38 PM
TRP   great job at debugging the issue! I have so m...   Apr 7 2026, 03:00 PM
Rob-O   The head sensor isn’t terribly difficult. Take ...   Apr 8 2026, 04:16 AM
nmkimosabe   The head sensor isn’t terribly difficult. Take...   Apr 8 2026, 08:24 AM
Rob-O   For gaskets it depends. The injectors could be le...   Apr 9 2026, 06:25 AM
Geezer914   If it's running like crap, it may be a vacuum ...   Apr 9 2026, 09:12 AM
nmkimosabe   Can someone please tell me if I should use a crush...   Apr 11 2026, 02:22 PM
fiacra   Can someone please tell me if I should use a crus...   Apr 11 2026, 04:03 PM
nmkimosabe   [quote name='nmkimosabe' post='3252868' date='Apr...   Apr 11 2026, 07:35 PM
nmkimosabe   Can someone please tell me if I should use a cru...   Apr 12 2026, 08:43 AM
fiacra   @[url=http://www.914world.com/bbs2/index.php?showu...   Apr 12 2026, 11:39 AM
nmkimosabe   @fiacra My part # appears to be 032.096.041 which...   Apr 12 2026, 01:06 PM
fiacra   [b]@[url=http://www.914world.com/bbs2/index.php?s...   Apr 12 2026, 03:06 PM
nmkimosabe   [b]@[url=http://www.914world.com/bbs2/index.php?...   Apr 12 2026, 03:55 PM
Superhawk996   RE: L-Jet Injectors Aren't Getting Ground   Apr 12 2026, 02:30 PM
Rob-O   They’re available from Porsche again, I believe.   Apr 12 2026, 03:36 PM


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