rickyhils Posted 10 hours ago Share Posted 10 hours ago The EGR temperature sensor is out of the car. Multimeter reads infinite ohms when at room temp. Putting it into very hot water - ohm reading appears. Starts at 175k and gets down to 80k, which seems to be way out of range. I think it should start at 400 ohms when cold then ohms drop as it heats up. ??? Link to comment Share on other sites More sharing options...
SuspiciousPizza Posted 8 hours ago Share Posted 8 hours ago (edited) Are you getting a code 55 with the sensor connected? Edited 8 hours ago by SuspiciousPizza Link to comment Share on other sites More sharing options...
rickyhils Posted 4 hours ago Author Share Posted 4 hours ago No codes. We know that EGR will affect NO (ppm). Now, I did pass California smog last week, but I am curious why the NO (ppm) @15mph was reading a whole lot higher than NO (ppm) @25mph. This last test showed 800 ppm @ 15 mph and 67 ppm @ 25 mph. Am unsure whether or not EGR needs looking into. Link to comment Share on other sites More sharing options...
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