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Seeking Freeze Frame Interpretation Help
Posted to Emissions Forum on 4/7/2008 15 Replies

This 98 Sonoma 4.3 has had the MIL on for some time, In conjunction with other service I offered a no-charge Code Pull, no pursuit of full diagnosis.

PO420 Cat Efficiency Monitor. No running problems, drives fine.

My question involves the Freeze Frame and ... Login to read more.

15 Replies Received (View Replies)

 

car Vehicle Data

1998 GMC Sonoma SL 4.3L

Engine4.3 L
Trans5-speed Standard

car Vehicle Data

1998 GMC Sonoma SL 4.3L

Engine4.3 L
Trans5-speed Standard