so i have a 91 b16a engine that i bought online turned outt fine it has 170 on all cylinders. but im having a problem with it staying ON. it ***** off after 2 sec. i swapped sensors from my b16a2 to my b16a. the tranny is from my b16a2. so i have installed a obd2a harness witha obd2b ecu. everything plugs up i have fuel i have spark it turns over but immediately shuts off. can sumone help me out. oh yea all this is in a ek9

 

Perhaps you should read the codes and find out what exactly is not working. What OBD dizzy are you using? OBD0 dizzy does not work with OBD1 and 2 ECU. Your timing could be off. You could be missing other sensors or they are not plugged in correctly.

 

I had this problem it was just throttle screw needed adjusting it was all the way shut

 

Did you check fuel/vacuum lines? I left a vacuum line off of the back of the intake one time.
Because there are so many lines and wires around the engine, you may have missed one that became shoved or placed out of the way. I always go around the engine components to see if I missed anything. Oftentimes, I have.

 

ill recheck the vacuum line but im pretty sure i got those connected. im not getting any engine codes. timing is not off i checked that already. now the throttle screw is something that i wanna check cuz i did take out the throttle body to clean it up before i installed it again. but there is a sensor in the back thermo fan switch not connected i dont have a plug on the harness that fit that. im using the thermostat from my b16a2 that has the same sensor on it that one plugs in fine. im using a obd1 distributor with a obd2 to a obd1 dizzy adapter.

 

You mentioned the use of an obd2b ecu, have you removed or disabled the immobilizer?

 

i dont know how to do that?????????

 

its a pt2 it doesnt come with immobilizer

 

gotcha, and the fuel pressure is steady?

 

yea stays between 35- 40