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2003 GMC Sonoma Support Question

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Question posted by ronfortson on August 21st, 2012

Evaporative Emission Control System Vent Control Circuit Malfunction/location

the service engine soon light keeps coming on/ and the code is po466

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Owner's Manual - Page 114

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Owner's Manual - Page 117

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Owner's Manual - Page 142

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Owner's Manual - Page 161

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Owner's Manual - Page 162

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Owner's Manual - Page 163

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Owner's Manual - Page 268

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Owner's Manual - Page 269

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Owner's Manual - Page 374

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Owner's Manual - Page 375

...: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). 12,000Miles (20000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0 Check readfront axle fluid level and add fluid as...

Owner's Manual - Page 376

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Owner's Manual - Page 377

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Owner's Manual - Page 378

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Owner's Manual - Page 379

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Owner's Manual - Page 380

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Owner's Manual - Page 381

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Owner's Manual - Page 382

... . See Tire Inspection and Rotation on page 5-66 for leaking. (See footnote **.) 81,000 Miles (135 000 km) c1 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0 Check readfront axle fluid level and add fluid as...

Owner's Manual - Page 383

... (160 000 km) R Change engine oil and filter (or every 3 months, whichever occurs first). U Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) U Check readfront axle fluid level and add fluid as needed . Uses such as found in taxi, police or delivery service. An Emission Control Service. (See footnote t.) 0 Replace engine air cleaner filter.

Owner's Manual - Page 384

... intervals for the life of this vehicle. Manual transmission fluid doesn't require change both the fluid and filter. An Emission Control Service. 0 Inspect engine accessory drive belt. An Emission Control Service. 6-17 An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0 Check rearlfront axle fluid level and add...

Owner's Manual - Page 420

... Equipment ...Fuses and Circuit Breakers ...Headlamps ...Power Windows and Other Power Options ...Windshield Wiper Fuses ...Electronic Transfer Case ...Emissions Inspection and Maintenance Programs ...Engine AirCleaner/Filter ...Battery ...Check and Service Engine Soon Light ...Coolant ...Coolant Heater ...CoolantTemperatureGage ...CoolingSystemInspection ...Engine Compartment Overview ...Exhaust...