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-   -   Puzzling question (http://www.toyota-supra.info/forums/mkiii-supra/15789-puzzling-question.html)

TonkaTim 01-18-2010 09:59 PM

It has power to the injectors. It appears the injectors are not grounding to fire

TSM says the ground (body point B) is on the intake manifold, and for the life of me It can't find it.

At this point I figure it is either a bad ground or a bad ECU not grounding to fire the injectors.

916MKIIIx2 01-19-2010 12:19 AM

If one ground is bad, it may just be a better option to get a ground out diagram and clean all of the grounding points with a bristle brush or something.

TonkaTim 01-19-2010 04:30 AM

My son brought over a TPS sensor he picked up from the local pull-a-part for 2 bucks. He put it on & it started right up. Go figure. (scratches head).

916MKIIIx2 01-19-2010 05:02 AM

Thus is the way of electronics, good to hear you got it going! Now time for the fun part of owning a car... actually working on my car is fun sometimes... lol

TonkaTim 01-19-2010 05:54 AM

Quote:

Originally Posted by 916MKIIIx2 (Post 77574)
Thus is the way of electronics, good to hear you got it going! Now time for the fun part of owning a car... actually working on my car is fun sometimes... lol


Thanks!

I enjoyed it much more when I was a tad younger ; ) .

cre 01-20-2010 02:14 AM

Quote:

Originally Posted by TonkaTim (Post 77571)
My son brought over a TPS sensor he picked up from the local pull-a-part for 2 bucks. He put it on & it started right up. Go figure. (scratches head).

I'm with you on the head scratching... nothing in the TPS' circuit should interfere with the injectors.

For future reference, the ground you were looking for:
http://www.cygnusx1.net/Supra/Librar...px?S=Main&P=26


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