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ECU replacement Q's


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4 replies to this topic

#1 calebz

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Posted 23 August 2003 - 10:56 PM

Not completely sure yet, will find out tomorrow..

But I do believe my ECU took a sh!t..

this is on my 87 GL-10 TurboWagon.

When I replace it, will I be able to replace it with one from an 88-89 turbo? should it be GL-10 only?

or is this going to end up like the intake manifold.?. wiring only fit an 87 TWagon

#2 GLCraig

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Posted 23 August 2003 - 11:05 PM

If the numbers on the replacement are the same, you should not have any problems.

#3 Cougar

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Posted 24 August 2003 - 02:16 AM

I don't think the '87 GL-10 had MPFI like the '88 did if I remember right. Having the turbo makes a difference also I believe. It may work with a '86 turbo. Comparing the numbers will keep you straight.

Have you checked for voltage getting to the ECU before you say it's bad?

#4 GLCraig

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Posted 24 August 2003 - 02:33 AM

All of the turbos are MPFI the big differences are that 85-86 and maybe 87 had the vane airflow meter and inductive pickup type distributor; where the later ones had the hotwire airflow meter and had the crank angle type distributor.

#5 Cougar

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Posted 24 August 2003 - 02:48 PM

Thanks for the good info GLC. I thought MPFI came out in '88 and was not aware it was already out for a few years. Good to know about the changes also.




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