2001 Chevy Silverado SERVICE ENGINE LAMP

2001 CHEVROLET SILVERADO
120,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BRIAN MILFORD
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I just bought a truck for my son, when the sales person hooked up a scanner it read 135 or 135 N. I'm not 100% sure there was an N after the 135. Can U tell me what this is indicating?
Feb 24, 2008 at 7:29 PM
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Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.