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95 chevy S-10 EGR function
Posted to Emissions Forum on 1/7/2005 21 Replies

Hello guys,

I had today a 95 S-10 that failed with high NOX.

Ca ASM test: (15MPH) 23PPM/hc 0.00%/co 954PPM/NOX (cut is 527) (25MPH) 26PPM/hc 0.01%/co 666PPM/NOX (cut is 780)

Passed all visual and timing check. I have observed O2 sensor switching and fuel... Login to read more.

21 Replies Received (View Replies)