Won't run CAT monitor, data anomaly

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Posted to Emissions Forum on 8/31/2017 12 Replies

Friends,

Trying to help a shop with this truck that refuses to run the cat monitor. I observe this anomaly of a difference between enhanced data and generic. Here is generic on KOEO, engine relatively cool. [...] [[...]]

Here is OE data, Snap On Modis Ultr... Login to read more.

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Vehicle Data

2000 GMC Sierra 1500 SL 4.3L

Engine	4.3 L
Trans	4-speed Automatic (Electronic)

Vehicle Data

2000 GMC Sierra 1500 SL 4.3L

Engine	4.3 L
Trans	4-speed Automatic (Electronic)

12 Replies Received (View Replies)

12 Replies Received (Hide Replies)

Vehicle Data

2000 GMC Sierra 1500 SL 4.3L

Vehicle Data

2000 GMC Sierra 1500 SL 4.3L