gmc Workshop Repair Guides

GMC Sonoma P/U 2WD L4 Auto Repair Manuals & Workshop Service

EGR Valve|Description and Operation > < Engine Controls - Clear DTC's After PCM/VCM/EGR Service|Page 4240
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EGR Valve: Application and ID

EGR Valve ID

Linear EGR Valve Markings

Linear EGR Label Location

EGR VALVE IDENTIFICATION

1. Positive backpressure EGR valves will have a "P" stamped on the top side of the valve after the part number should not be used.
2. Negative backpressure EGR valves will have a "N" stamped on the top side of the valve after the part number.
3. Port EGR valves have no identification stamped after the part number.
4. Linear EGR valves look like a small motor.

EGR Valve|Description and Operation > < Engine Controls - Clear DTC's After PCM/VCM/EGR Service|Page 4240