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Question to get $500 89 240 going... 200

Follow up....

Using cars existing ECU#556 mustard label; fuel relay green/blue wire jumped to ground >>> car starts and runs great......Check engine light comes on >>> codes 213, 221, 223 and 312 come up. I checked the OBI codes for these and they are a variety of injection items.

so next...

I installed the just bought ECU #954.... Car starts and runs but not so great... little mis-idle and hesitation with pedal push. Check engine code 113 comes up = o2S wire fault.

Soooo what do BB folks think? the next step is to check O2s lead voltage swings and maybe change O2s.

or maybe the ECU 954 was not the right choice?

to be continued...
thks BB






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