1994 pathfinder egr issue


Old 03-27-15, 12:42 PM
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1994 pathfinder egr issue

Failed smog. High nox egr tested good cat is good have source vacuum to egr electric switch but no signal to switch to make it work. 1994 nissan pathfinder se v6 3.0 liter.
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Old 03-29-15, 06:33 AM
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A little reading on the subject, the first one is a little lng, but has good info:


EGR System Testing

EGR Diagnostics | Car OBD Diagnostics, ECU Chip Tuning & Auto Repair Support

Could be something as simple as a bad ground in the system, but may need extensive work with a multimeter.

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