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Help! 94- rough idle

TGC4

Member
Joined
Nov 1, 2006
Messages
22
Location
Medina,OH
Corvette
1994 Green Metalic Coupe
Out of the blue my baby has a rough idle-I did as manual suggested & held (in park) idle at 2,000RPM for two minutes this helped or smoothed it out for a few stops only.Other then that she runs fine.Also are injector cleaners recomended? only 32,000 miles on her-runs weekly short of winter.Many thanks:confused
 
Gas

How long has the gas been in the tank?

Has the car been sitting with a gas tank low on gas in this heat and humidity?

Did you just fill up with gas and this started? (bad gas with water in it)

How far do you drive it when it is driven?

Does it get run over 50 miles at lest two or three times a month ?

With the low milage of the car I would look at the answears to my questions. Do not jump into changing parts until you have exhausted all of the above possibilities.

Oh yes and look for a nest in the air cleaner or chewed wires from a mouse takeing up residence under the hood.
 
Thank you John, I am down to a 1/4 tank now & it is the second fill up this summer.I dont get to many miles on in a given month perhaps 100 or so. (I ride motorcycles & seem to allways grab it for a quick dig)Do use "stable" over the winter.Will double check under the hood ie; possible nests though she does sit in a tight garage & will get some fresh Sunoco tonight
 

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