Looking to borrow a working LH for an 87

  • hinchcliffe
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04 Dec 2012 14:34 #12744 by hinchcliffe
Looking to borrow a working LH for an 87 was created by hinchcliffe
Drove the car fine over the weekend, today only cranks, no start. Fuse is fine pulled it and tried the foot to the floor test, nada. Pulled a couple plugs, dry. So I will try jumping the fuel pump relay. If I have fuel pump buzz what then? LH right?

Also had the ignition on at lunch when searhing other things out and click, click, click, click...... Pulled the fuel pump relay and replaced it with a working one from the horn, no dice.

What sayeth the brain trust, anyone have a working LH that will fit an '87 I can try before i pony up to have mine rebuilt? Where do I send it for rebuild, JDS in England is best right?

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04 Dec 2012 16:42 #12745 by the flying scotsman
Replied by the flying scotsman on topic Looking to borrow a working LH for an 87
Rather than install a known good LH in your car and possibly damage its common practice to remove your suspect LH and fit it to a good running car that way you can follow the fault if there is one.

Make sure you test the fuel pump first by jumpering the FP relay.

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04 Dec 2012 19:42 #12746 by hinchcliffe
Replied by hinchcliffe on topic Looking to borrow a working LH for an 87
Did the jump for the fuel pump, heard the buzz. Thanks for the tip on taking mine out first.

If I jump the fuel pump relay is it safe to back it from the driveway into my garage?

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04 Dec 2012 21:42 #12747 by xstepson
Replied by xstepson on topic Looking to borrow a working LH for an 87
Yes, but remove the jumper when you are done, otherwise the fuel pump will continue to run.

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04 Dec 2012 23:45 #12749 by Kiln_Red
Replied by Kiln_Red on topic Looking to borrow a working LH for an 87

Also had the ignition on at lunch when searhing other things out and click, click, click, click......


That's a sure sign of LH failure. Verify spark so that you can rule out the CPS. If spark is present, a brain rebuild is probably due.

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05 Dec 2012 08:05 #12751 by Feather
Replied by Feather on topic Looking to borrow a working LH for an 87
Rich Andrade and I both posted responses to this request in RL. His offer there is very generous and his standing offer here in this OC Forum, to test your for free, is also very generous. I suggest that you take him up on both of them. In addition, if yours needs a rebuild, Rich does an outstanding job with that and his charge is very reasonable, especially given the quality of the rebuild.

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05 Dec 2012 21:18 #12762 by hinchcliffe
Replied by hinchcliffe on topic Looking to borrow a working LH for an 87
Brains are out and will be off to Rich for a checking. Car will not start with the relay jumped and brains in. Almost starts then dies and won't rev enough to keep more than a turn over.

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05 Dec 2012 21:27 #12763 by Kiln_Red
Replied by Kiln_Red on topic Looking to borrow a working LH for an 87

Brains are out and will be off to Rich for a checking. Car will not start with the relay jumped and brains in. Almost starts then dies and won't rev enough to keep more than a turn over.


Did you check for spark?

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  • hinchcliffe
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06 Dec 2012 06:19 #12764 by hinchcliffe
Replied by hinchcliffe on topic Looking to borrow a working LH for an 87
Yes, appears OK spark wise.

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07 Dec 2012 00:11 #12792 by 928mac
Replied by 928mac on topic Looking to borrow a working LH for an 87
I replaced both my ECMs, the wiring from them and to everything under the hood. dumped the distributors and MAF and installed a MAP and coils and tune with a laptop.

It was a efin nightmare ha ha
the story starts at post 37 in the link in my signature

www.electromotive-inc.com/products/tecgt.php

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08 Dec 2012 13:34 #12817 by hinchcliffe
Replied by hinchcliffe on topic Looking to borrow a working LH for an 87
Wow, sounds a bit painful. Thanks to my friend Gary Knox I installed his 89 LH and 88 EZk started right up and drove around the block perfectly fine. Just need to wait till next week for Rich's assessment as it appears mine may have been bad.

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08 Dec 2012 17:55 #12823 by Kiln_Red
Replied by Kiln_Red on topic Looking to borrow a working LH for an 87
Glad you were able to reach a diagnosis. At least, now, you will be able to have the peace of mind that the LH will be dependable after it's rebuilt. Rich does fantastic work.

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13 Dec 2012 10:33 #12875 by hinchcliffe
Replied by hinchcliffe on topic Looking to borrow a working LH for an 87
The LH should be back to me Saturday. Drove a bit yesterday on Gary's stuff and all seems to run well.

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18 Dec 2012 14:01 #12947 by xstepson
Replied by xstepson on topic Looking to borrow a working LH for an 87
I used Gary's LH one time as well. Mighty nice of him to allow us to do that. :)

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26 Dec 2012 14:07 #13014 by hinchcliffe
Replied by hinchcliffe on topic Looking to borrow a working LH for an 87
OK, finally got a chance to put it in and Rich has fixed it. Runs better than before as I'm sure it was on its way out for a bit.

thanks again Rich.

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31 Dec 2012 19:17 #13032 by pcar928fan
Replied by pcar928fan on topic Looking to borrow a working LH for an 87
Rich is awesome! He did my S4's brain as well! Had me turned around in NO TIME! YEE HA!

James
78 Silver / Black-white #295
84 Ruby Red / Black AO84
88 Dark Blue / Linen-Black
92 Polar Silver / Dark Blue 92EURO
93 Arrow Blue / Black

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