Chevrolet Silverado owners have reported 6 problems related to emission control (under the engine and engine cooling category). The most recently reported issues are listed below.
Emission Control problem of the 2004 Chevrolet Silverado
1
Repeated failure of vehicle oxygen sensor.
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all problems of the 2004 Chevrolet Silverado 
.
Emission Control problem of the 2003 Chevrolet Silverado
2
Problems with encoder motor sensor. The four wheel drive light illuminated several times, the dealer replaced the transfer case shift. Also the service engine soon light illuminated and the dealer replaced the evaporative emission canister vent solenoid.
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all problems of the 2003 Chevrolet Silverado .
Emission Control problem of the 1998 Chevrolet Silverado
3
Steering wheel vibrated, problem existed for a time. Evo sensor needed replacement again as problem has reoccurred.
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all problems of the 1998 Chevrolet Silverado .
Emission Control problem of the 1998 Chevrolet Silverado
4 Oxygen sensor failed. Yh.
Emission Control problem of the 2000 Chevrolet Silverado
5
Consumer is experiencing a fuel vapor problem, when vehicle idles for a period of time the vapors are pushed out, when this happens they are sucked up into the air conditioning system and pushed into the cab of vehicle.
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all problems of the 2000 Chevrolet Silverado .
Emission Control problem of the 1999 Chevrolet Silverado
6
Crankshaft sensor failed. Yh.
See
all problems of the 1999 Chevrolet Silverado .
