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1990 Tracker crank no start

2902 Views 62 Replies 8 Participants Last post by  ViewSonic
I have a 1990 tracker with the 5 speed manual and 4x4. The other day I was idling in my tracker and it just shut off. After getting a tow I did a lot of research on here and I keep coming to dead ends.

My issues so far are as follows:

-No fuel coming from injector yet the fuel pump is ok after testing it. Fuel is getting to the throttlebody
-Noid light test gave no pulse signal.
-Tach is not moving when cranking over the engine.
-Engine will only run off starting fluid. Tach will work when the engine is running off of starter fluid.
-ECM is repeatedly flashing code 12- flipping that hidden switch does nothing.
-TPS readings are within normal limits.
-Injector is within spec

I had new capacitors put on my ECM and im still having these issues. Should I just spend the money on a new ECU?
Any help would be appreciated thanks.
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There are a lot of rebuilt ECUs on EBAY. That's where I found mine. Most are re-built -- so it appears that a lot of people think it's worthwhile. Finding the exact one for your rig shouldn't be too difficult. Just make sure it comes with a warranty of some sort.
I had similar problem and had to replace ECU. $700. ECU is unique to the 1990 tracker.
YIKES!!! I guess I'm lucky I have a '91 -- but there is quite a variation in price.
Sadly, most of the guys on ebay that do a repair and ‘core return’ won’t work on the 89/90 ECU’s, AFAIK.
Why would the 89/90 be a problem for a guy with a soldering iron?
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