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Guest Message by DevFuse
 

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84 ecu codes!


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4 replies to this topic

#1 Norcalbratcap

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Posted 21 September 2017 - 01:07 PM

Hey gang i just picked up an 84 gl wagon, and after a few minutes of warm up i have an ecs light, i read the codes from the ecu, are they in the fsm? If so i have the 1983 pdf, what page of 800+ would it be on?
Thanks

#2 Gloyale

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Posted 21 September 2017 - 02:16 PM

Depends on the Carb/FI setup.

 

If it's a feedback carb......I would just unplug the stupid ECU and Probably not doing squat anymore anyhow. 

 

But uh...ussually in the "emissions control" section of the FSM's.

 

Oh and if the green diagnostic connectors are hooked up (or the black read ones) you will get the light coming on.  Unplug them for normal driving


Edited by Gloyale, 21 September 2017 - 02:18 PM.


#3 Norcalbratcap

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Posted 21 September 2017 - 02:28 PM

It shows codes 45, 33, 31, 34, 52, 42, 43, but runs great, the carb was replaced by a weber I'm assuming thats why so many codes, so i can unplug the ecs?

#4 Andymccauley

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Posted 22 September 2017 - 10:36 AM

Yes, you don't need the ECU, the Weber simplifies everything, so you could even pull the ECU harness too if it's not entangled in the rest of the harness, but yes unplug it

#5 Norcalbratcap

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Posted 23 September 2017 - 01:48 AM

Excellent unplugged ecu, no more light!




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