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  #11  
Old 10-12-2012, 06:55 PM
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Rzeppa Rzeppa is offline
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Quote:
Originally Posted by hendrix1 View Post
I checked everything again and again. Finally I gave up a little piece of my man hood and towed my truck to a shop. They told me my ECU may be bad. It has power going in but none going out to the injectors. How do I know for sure my computer is bad, and where should I get another one? Was quoted almost $500 for a new one.
Unfortunately, you may need to find a different shop. Or maybe the "shop" needs to give you some more info, such as "how did they determine that there was no power to the injectors?" IOW, what was the actual test they did?

As I think I wrote previously, it is not too hard to simply apply 12V to an injector to determine if it is working.

A critical piece of information we need to know is whether this ECU was working before the transplant?
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  #12  
Old 10-23-2012, 06:41 PM
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Backfiring and blowing intake tubes off only occurs if there is fuel present. My bet is the timing is way off one way or another. I'm thinking you need a different shop as well.
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  #13  
Old 10-23-2012, 06:55 PM
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Originally Posted by Tommy the Cat View Post
Backfiring and blowing intake tubes off only occurs if there is fuel present. My bet is the timing is way off one way or another. I'm thinking you need a different shop as well.
agreed ^

it is getting fuel.
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  #14  
Old 10-27-2012, 04:18 PM
hendrix1 hendrix1 is offline
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I bought my son an '86 with factory EFI. By comparing them side by side I figured out I was missing a little metal electronic thing that was mounted on the passenger side wheel well. Once I mounted and plugged that part in my truck fired right up. Now im just working to get all the vacuum hoses in the right places.
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  #15  
Old 10-27-2012, 08:17 PM
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SWEET!!!!

Congrats dude!
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  #16  
Old 10-28-2012, 07:14 PM
hendrix1 hendrix1 is offline
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New problem! Once the engine warms up, fuel starts pouring out of my charcoal canister. It looks like I have everything hooked up correctly. One line is the return from the fuel rail and the other runs through the canister and on to the intake. I can blow air through both lines, one will produce bubbles and the other just air in the tank. If I leave the gas cap on fuel will try to come out of the line I have hooked to the fuel rail.
I'm so freaking ready have my truck on the road. 4.5 inch lift kit just waiting for the truck to run correctly.
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22r conversion, 86' toyota, rebuild

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