Idle issues help?

So I have just swapped a d16z6 into my 88 wagon. the motor is mpfi and obd1.

Right now It idles at 2500rpms at all times (hot and cold)? there are no codes what so ever.

I took the IVAC cylinder off and put my friends on (from another d16z6) and it didn't change a thing.

The car's timing is spot on also.

Does anyone know specifically what may be causing this? if its a vacuum leak. is there a certain line in particular I should be checking?

Thanks so much to anybody that can help me!!

Comments

  • Make sure your throttle cable isn't too tight

    Also check the FITV (I think its called) under the throttle body, if you search the internet there are several right ups on fixing these.
  • Try adjusting it down manually using the idle screw on top of the throttle body
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