NHTSA Campaign Id 87V165000; Date: Oct. 26, 1987
If valve pieces lodge against throttle plate, engine maynot return to idle resulting in loss accelerator control and possibly a crash.
1983 Buick Skyhawk; 1983 Cadillac Cimarron; 1983 Chevrolet Cavalier; 1983 Oldsmobile Firenza
Component: Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv)
Manufactured by: General Motors Corp.
Affected Units:: 126,319
Internal corrosion of pulsair check valve assembly could permit exhaust gas to melt the plastic shut off valve and draw valve pieces into the air cleaner and throttle body.
Replace pulsair check valve and shut off valve with newly designed valves.
System: pulsair check valvevehicle description: passenger cars equipped with 2. 0l engines.
Date Owners notified by Manufacturer: Nov 17, 1987
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