just did a ka swap and having problems! plz help

[Nibras]

i just did a ka swap cause my old motor was rubbish . so the motor will start and idle for 15 seconds , and then slowly loose rpms , if i hold the throttle at 1000 rpms or 1500 it'll be rough but will run and then light smoke will come up from the intake manifold , and it'll smell odd.


i am wondering if it is a o2 sensor, maf sensor maybe? all of these came from my old motor which they worked fine , my car is not boosted altho has a apexi avc-r interface in it from previous motors , i am wondering if there is something to do with that

i checked for vacum leaks i do not see any .. i am cofuseddd

[l33tmonkeyman]

what does it smell like? sweet like coolant, or like oil or exhaust?

[Nibras]

what does it smell like? sweet like coolant, or like oil or exhaust?


it really has no smell, just a burning smell like something is getting really hot

[project-D180]

check your timing n check ya oil to see if you got metal shaving in it n if it looks watery

[Nibras]

check your timing n check ya oil to see if you got metal shaving in it n if it looks watery



the motor came out of a running car days before , i swapped it directly , all i changed was the throttle body