Came across another oddity. I decided to unplug the EGR all together in troubleshooting and I'm not getting any "check engine" light. You reference
Quote:
6-pin male.
pins 2, 3, 5 and 6 are referenced above. Those pins connect the O2 sensor to the ECU.
pin 1 needs to be wired to 6-pin female, pin 1.
pin 4 needs to be wired to 6-pin female, pin 4.
Pins 1 and 4 connect the EGR to the ECU. See below.
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I'm thinking something's not right between the 02 and the EGR valve or from the EGR to C129... What do you think?