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Old 01-10-2012, 12:06 PM   #29 (permalink)
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Originally Posted by UFO View Post
Jason is correct, there is no O2 sensor. There may be a MAF output dependence on either the engine load or operating temperature, or both. Since the EGR is not modulated with a throttle, I believe the window the ECM expects is wide enough to neglect those effects, if I adjust the appropriate base amount.

Your not saying the EGR is just on off control right? I'm pretty sure the N-18 controls the EGR actuator and modulates it's position hence EGR flow rate right?

2002 VW Jetta TDI 5-speed(completed 01M-5-speed swap at 155K miles) 45 MPG City with the 01M, 5-speed 60+ MPG City. Nokian Entyre Low RR Tires. Experimenting with the "Hybrid" 205 Deg F T-stat:

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