just did a tune up on my 87 supra n/a 5 speed and now it idles between 2000 and 2500 rpm's. It ran fine all day untill i left later that night to go to work it started acting up in the parking lot by idline real low. after work it idled low still and than gradually started idlingnhigher and higher. i put new plugs in (bosch platinum 2) new wires, cap, rotor, and valve cover gaskets and gromets( was leaking oil from them) i ran the engine diagnositcs tonight and got 22, 24, 32, and 51. ran this before and nothing ever showed y would they come up now?? I've doubled checked all vaccum lines and electrical connections please help
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