Last night when i was driving my car on a major highway for the first time, for about an hour, the check engine light came on. I just got this car so it kind of worries me. I pulled over and checked all the fluids and all the gauges were fine, everything in check. I didnt do the tuneup yet, could this be the reason? when i started the car back up the check engine light warning turned off. Any suggestions to why this could happen?

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85 camaro Z-28, fuel injection, V8, 61,000 orig miles

 

Mine does the same exact thing!! Ive checked it for codes and havent found anything! If ya find out let me know!
-Cory

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Black 1989 Formula WS6 5.0 TBI
Apperance Mods-Tinted, 93 style Formula Decals, Custom chrome screen in cowl hood, Tinted out side markers. 4th Gen Seats.
Engine Mods-Pulleys, Ram Air, K&N, Hedmen Headers,Flowmaster Exhaust 80 Series 3"
!Cat,!Emissions, 160 Thermo,Rapid Fire Plugs,3.42 Gears, Eaton Posi. *LT1 Cam Waiting To Be Installed*
System-DEH P9300 Pioneer Head unit, Pioneer speakers all the way around, 2 12's, 600 watt kenwood amp.
http://www.geocities.com/liquidfx17/Formula.html?1015872348700