1993 Chevrolet Corvette Owner's Manual - Page 81

Features & Controls Running Your Engine While You're Parked (AUTOMATIC TRANSMISSION) Rough IdlingIf you notice rough idling or surging of the engine, especiallyafter long periods of idling;.or during slow city driving, the oxygen sensors may be clogged. If this happens, placethe automatic ' transmission inP-(Park) .or manual transmission in N (Neutral), firmly apply the parlcing brake, and accelerate. to 2000 rprn for two minutes. This will clear the oxygen sensors, It's better notto park.with the engine running.But if.you ever have to, here !are some things to know. 'Exhaust)-. Also, idring in a:closed-in-place let..deadly -c'm carbon monoxide(CO) your into vehicle even %$he fan switch at.the highest setting. One place can is this happen'is :a garage..'Exhaust-wiih CO-can corne h e a d y . Never park in a garage-with.fhe engine running. .Another closed-in place be a blizzard. (Seethe Index under.BZizzai.d.) can It dan'b.e .dangerous. get .out your vehicleif the shift lever is not fully in to of P (Park) with:ihe.parkingbrake firmly set. Y u vehicle can roll.Don't leave or your vehiclewhenthe engine is running unless you have to.If you've left the engine running, the-.vehicle can move suddenly. or others.could be injured. You To be su-re your vehicle won't.move, even when you'-re fairly level-ground, on aiways setyour .parking-brake movethe shift lever to P (Park). and If you are parking on .a hill, also. see Index under Parking on Hi'ZZs. the 80