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84 GL with ECU light.


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Please see

ECU code reading and chart

 

Your car is listed.

 

84s may be listed,but,some of the info therein is inaccurate.

 

84s have only test connectors,no read-memory connectors or memory clearing procedure.

 

Some of the codes are inaccurate too.For instance, the list says code 42 is for the clutch circuit on an 84 carbed car when really it indicates that vacuum switch II remains off.

 

Most codes can be read directly from the O2 monitor light on the ECU w/o fooling around w/test connectors if the ECS light is on.

 

You might have a plugged convertor.Try testing engine vacuum too.

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make sure that the green test connectors aren't plugged in for regular driving; I just "fixed" my EA81T's ECU light by unplugging the test connectors.. the PO must not have known that they are normally to be unplugged... :dead:

Real good thought... I willdefinatly have to check that out. Who knows!

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