The ECU you had with your EGR system ended in serial number 582. If you kept that in after removing the EGR, you would run with a check engine light all the time but the ECU would work just fine. You can swap that in to see if it works and it would diognose the problem. If not, you can use either a 948 like you have or a 585. If you need a spare, let me know - I have another one kicking around. Easy swap -nothing to worry about.
posted by 173.166.87...
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