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Help! 1991 C4 L98 Erratic Idle

lilmarv

New member
Joined
Oct 7, 2014
Messages
1
Location
MI
Corvette
1991 Dark Metallic Grey Coupe
1991 C4 L98 Engine 96K. No Modifications other than recent install of MagnaFlow Y-Pipe/Exhaust. (erratic idle was present prior)
Car turns over-starts-runs ok ....however idles erraticly intermitently when brought to a complete stop. (also when sitting still running)
For every 10 complete stops, 3 times the car may suddenly almost stall/shut off then somewhat surge-return to a more steady idle.
Has shut off a couple times, starts right back up.

Also...could the addition of the MagnaFlow Performance Exhaust make anything else 'goofy'?

Thanks in Advance for any feedback or suggestions. :)
 
Last edited:

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