1990 Isuzu Trooper

Engine Mechanical problem
1990 Isuzu Trooper 4 cyl Four Wheel Drive Automatic

i have this trooper, the check engine light is on, I did the computer code with the two wires you plug in, in the console, it showed 2, 2, 2 & 666, which is a 26 code, which is a canister purge vsv, I changed it and the engine light is on and hard to start, I have to turn it over alot, and pump excelerator and it will start but engine light is on, and if I kill it I have to repeat, also it is running pretty ruff, can someone help me out as to what this sounds like?
November 8, 2010.

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