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been getting a random check engine light that makes the car stumble pretty bad when taking off from a stop checked the codes and its a 23,35,45. any ideas?

bad maf, Canister purge solenoid valve, and Atmospheric pressure sensor... 'tis a lot. try clearing all codes (follow http://legacycentral.org/library/literature/codes.htm) and see what comes back.

theyll all come back this is like the third time this has happened ill unplug the battery itll be ok for a month then wham itll go all crazy again for like an hour the it dont for like a few weeks

Code 45 for turbo cars is the pressure sensor and pressure exchange solenoid.

Can you describe the symptoms you are experiencing? How long do they last? When do they seem to occur? Any additional details would be helpful.

I can see a MAF sensor causing some operating issues.

seems to happen after idling at a stop sign or something its last anywhere form 10-30 mins the just goes away. weirdest thing. Major hesitation at take off from a stop if i dont catch it itll die. idk whats wrong, last year i did replace knock sensor and the purge control solenoid. maybe there bad again.

I'd suspect the MAF sensor. You may want to try finding a used one to replace yours with to test that theory.

seems odd but ill try it.

will an N/A maf work?

A 90-91 manual trans Legacy MAF sensor will work. It's got the same silver Hitachi MAF.

ya found one. no trouble yet