Injector - electrical connector snap ring

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Injector - electrical connector snap ring

Postby Coupeboy » Mon 01.07.2019, 12:57

I have been wrestling with a recent hesitation/rough running problem. Having owned the car for 12 years and, despite only occasional use and long winter storage, it has never failed to start and run without issue. The last couple of outings (starting with its MoT, which it passed) and subsequently, it has been reluctant to start, possibly only 2 cylinders firing and then running rough. It will accelerate and drive but not smoothly. Switching to service mode makes it stall whereas previously the idle revs would hardly change. I had a good look under the bonnet yesterday (free) and discovered that No.1 cylinder injection electrical connector was lose and missing its ‘snap ring’. With complete removal of the connector and refitting it seems to run perfectly again. However, you guessed it, I’m on the hunt for a replacement snap ring to ensure the connector stays connected to the injector. Ebay seem to sell various sets of ‘pigtail’ injector connectors for £15 or so but which one would suit the Elan or is it possible I can just buy the snap ring? I don’t know why it would be missing but replacing it is obviously high on my ‘to do’ jobs :D
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Re: Injector - electrical connector snap ring

Postby Tuga2112 » Mon 01.07.2019, 13:04

i would be contacting a breaker, or phoning Steve at SJS considering how specific the part you need is. but theres a good chanse someone in here will have a spare.
another alternative would be to check if rockauto does them for the isuzu and if they are exactly the same
1991 elan se
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94 Celica GT4 (Import)
94 4Runner
98 Celica SR

too many projects. not enough sunny days :(
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Re: Injector - electrical connector snap ring

Postby John_W » Mon 01.07.2019, 14:52

If you mean the spring clip which holds the blue plastic triple-female electrical connector onto the injector, it’s just a bit of spring wire bent into a “U” shape and looks like a big (unused) staple. It can’t be that hard to make or buy, I would think.

If you need dimensions I can have a look for the one I removed from my no 1 cylinder as a temporary measure to disconnect a duff injector.

John
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Re: Injector - electrical connector snap ring

Postby Coupeboy » Mon 01.07.2019, 15:36

Thanks for the replies. John - that would be useful if not too inconvenient. As a last resort was going to remove one from No.2 connector and copy/fashion something from a paperclip maybe. I'll check what rock auto has. Breakers would probably want to sell the whole loom and I doubt would give me/sell one clip but worth asking.
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Re: Injector - electrical connector snap ring

Postby Simon_P » Mon 01.07.2019, 17:02

https://www.rockauto.com/en/catalog/isu ... ector,2577

Or try/modify something like this:
https://uk.rs-online.com/web/p/products ... lsrc=aw.ds
or
https://uk.rs-online.com/web/p/automoti ... s/7187006/

You may find that the problem is that the plastic bits on the plug that guide the clip are broken.
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Re: Injector - electrical connector snap ring

Postby Tuga2112 » Tue 02.07.2019, 08:26

Simon_P wrote:You may find that the problem is that the plastic bits on the plug that guide the clip are broken.

considering they are likely more than 30 years old. this seems rather likely.
1991 elan se
1991 elan se project
91 MR2 Turbo (import) project
94 Celica GT4 (Import)
94 4Runner
98 Celica SR

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Re: Injector - electrical connector snap ring

Postby Coupeboy » Tue 02.07.2019, 09:07

Turns out SJ Sportscars sell the injector connector (£9.95) so I'll either splice it in or transfer the new spring thingy assuming the old one isn't broken. :clap:
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Re: Injector - electrical connector snap ring

Postby John_W » Tue 02.07.2019, 09:14

Sorry for the delay - visitors.

As you see one of my plastic connectors broke when I removed the clip.

John
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