l have a 1996 chevy corsica and its almost at 130,000 miles. the service engine light comes on and never goes off (it used too though) it does not flash, it just stays on. l recently had the spark plugs changed, new brakes, oil change, and had the fuel system flushed, but the light is still on. Now when l drive it l have to drive with one hand on the wheel and one on the key to keep it turned into the ignition because if l let it go, it will completely cut off. What could be the cause of this? and How much am l looking at spending? Any help is better than no help. Thanks

you need to replace the ignition cylinder. youre looking at 20 to 50 bucks