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Forum > Emissions Component > Question

1982 Oldsmobile Cutlass smog pump air valve

The air valve failed on my Olds Cutlass. What is an air valve? Also I've heard the air valve part will be hard to fine, were can I look to find a air valve?
Answer:

More than likely the smog technician is referring to either the air injection system's Check Valve or Diverter Valve. The Diverter Valve is responsible for routing air from the smog pump to the exhaust manifold (or CAT). The Check Valve ensures air from the smog pump travels only in the direction of exhaust flow. Apparently the smog technician has noticed a problem with your Oldsmobile's air injection system. posted by SmogTips Support

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