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Topic: 82 Corvette Diverter valves Rough idle and engine dying out

in Forum: C3 Engines

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82 Corvette Diverter valves Rough idle and engine dying out (1/3)
5/20/21 4:03pm

benny65
Former Member
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Joined: 8/16/2013
Posts: 11

My 82 starts with no problem. But would not idle and then dies out. Years ago I change the diverter valve (used unit) ran fine without problems. Now it started again. Wondering if anyone know where I can get new diverter valves or how to repair them.

Any advice is appreciated. Can drive car, would just run rough and dies out.

Thanks for any help.

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Re: 82 Corvette Diverter valves Rough idle and engine dying out (2/3)
5/20/21 9:50pm

Adams' Apple

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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 20129

A diverter valve shouldn't have any effect on how the engine runs. The EGR valve, however will. Since it is an '82, I would suggest scanning the ECM for any trouble codes that might be stored, and troubleshoot from there.

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Re: 82 Corvette Diverter valves Rough idle and engine dying out (3/3)
5/21/21 3:01pm

benny65
Former Member
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Joined: 8/16/2013
Posts: 11

Thanks for the reply. Check for engine code. Got code 22, TPS. So I will be ordering 1.

Thanks for the help.

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