hey i got a b16 dropped in my 91 cx, it runs rough, and black smoke out of exhaust, any ideas?

 

Any CEL's? (check engine light)

 

nope, all good in that aspect

 

timing? injectors all functioning properly? plugs and wires in good shape? correct ecu for the b16, either a pr3 or pw0?

 

do u have the right injectors. what yr b16 and did u us the injectors off ur old motor or the b16 ones. if the b16 is 92 and up u cant run the injector box. put ur old one in there. it could make them run wide open. or conv to obd1

 

What harness? I read that if the crank angle sensor is wired wrong it will severely reatard the timing . Check all your wiring also to make sure that isnt it . Ddo what these guys said and check the motor year.

 

black smoke? change your oil and start using premium gasoline

 

hey sir2, wheres that injector box your talkin about?, thats exactly what it is.....

 

youre burning oil.....rings could be done.

 

i bet its cracked ring landings sorry to say i had the same problem in mine.

 

leak down compression test dry/wet will tell you what the problem is

 

Sounds like timing or the injectors.

 

its the injectors constantly running, not burning any oil.....its black smoke like too lean, not blue, if u dont know what your talking about, you should buy a volkswagon and shut up.....

 

good lord this thread is running rampant with misinformation. what year his b16 is has nothing to do with what injectors he can run, or whether or not to use a resistor box. if they are obd0 injectors, use the resistor box. if they are obd1 injectors, delete it. that simple.

 

so wheres the resistor box dude? whats it look like? do i just unplug it? im clueless here, thats why i paid someone to do this job, and they ****ed up, had my car for over 2 months, now i got it back, and it runs like shiat, and it burns gas like a 460....

 

in the engine bay on the driverside, near the firewall.



but don't just go removing the thing, if it is there, until you can atleast verify what injectors you have. if you take out the box, and you are running obd0 injectors, you'll make it run worse and end up with one more problem than before ya started. if you can verify that they are obd1 injectors then yes you will need to delete. this entails more than simply unplugging the thing and tossing it aside however. the 5 wires that go to the box from the engine harness (4 rd/blk, 1 yel/blk) need to be soldered together.

 

well did all i can, but i think they screwed up on the wiring, id like to know where in the ecu, do thes 5 wires plug in, then i can check and see, anyone?