OK, so I had a jdm h22a in my car with a crappy transmission. Motor has been in for several years and just wasn't running like it use to. Fortunately I had a extra h22a4 block in the garage and a new h22 transmission. Car ran flawlessly with no codes. So I decided I would put the new motor and tranny in the car. Pulled the motor and took everything off the old motor (complete intake manifold assembly, distributor, starter, spark plugs which were a month old, complete engine harness and fuel rail). i got the motor in, everything hooked up and went to put the battery in and when I connected the ground it sparked pretty bad and did not do this with the old motor. I marked all the plugs before switching over to other motor. Car cranked fine but would not turn over. Only plug that is not hooked up is the oil pressure sensor on back of block which wasn't hooked up on other motor either. Decided to test for spark and all 4 cylinders spark. Checked for gas and had pressure and could smell gas. Checked compression and all cylinders are good. Checked all relays and fuses no problem there. Timing is perfect. Also tried new ecu and nothing changed. I'm not throwing any codes. I've read through threads for hours and tried a few other things found in these threads but no luck. After trying to crank the engine I noticed a buzzing noise coming from the iac and when unplugged goes away. This also did not happen with the old motor in there. I cant seem to figure this out. Only thing I haven't checked is the dizzy to the ecu. I've got a friend coming by tonight with one to see if that might be the problem. Any help would be greatly appreciated!!! Sorry to write a novel but I want to make sure Ive got all the details listed.

 

pump primes?

 

yea the pump primes. I replaced it about 6 months ago

 

well if you have fuel at the injectors, spark, and your timing is on it should start. are you sure you aren't 180 off on the timing

 

I'm not 100% sure but I had the engine in another car a year ago and it ran fine in there. motor has just been sitting in the garage for the past year and hasn't been touched.

 

Is the firing order of the spark plugs on the distributor cap correct?

Are the fuel injector connectors installed in the correct firing order?

Is spark bright white at all four plugs?

Do the injectors spray gas?

Have you double checked the mechanical timing?

 

make sure ur tranny ground wire is hooked up

 

did you ever figure it out ? have same problem