Hey guys so i just started having a issue with my car. Its a 95 civic with a jdm d15b and manual transmission. So the car would try to cut out while driving in warm weather like it was loosing spark. Did a full tune up and still had the same issue so i got a new distributor. It still does it from time to time, but not nearly as bad. My real big issue and most important is now my car will buck super hard while trying to drive in 2nd geat. It only happens in 2nd gear, if i shift to 3rd it goes away and is fine. When is bucks the cel will come on and off. It almost feels like the driver is learning stick shift for the first time 😂 any ideas? Also feels like there are dead spots in the power while driving.

 

there are approximately 234583457777 different versions of the d15b. which do you have?

 

It is stamped d15b that is all. It was shipped from japan

 

pics if youre not sure

 

This is the motor tag. Says d15b

 

yeah, i get that. i meant of the engine, overall. hard to guess which variant you have.

 

try new spark plugs and wires. It sounds like an ignition problem. Odd that it is only 2nd gear though. does it idle and rev smoothly in neutral?

 

I have done new plugs and wires as well as a new distributor. It idles and revs smoothly in all gears snd neutral. The issue is intermittent as well... possibly ecu issue?

 

I don't think it would be ecu, but you never know…. you try to see if a code comes up when you scan the computer?

 

So i have scanned tried pulling any codes and no luck. However now that its getting colder it seems to be getting worse. This morning my car was almost undriveable, i blasted my heat and after a few minutes it was fine... possibly related heat or cold causing something to go funny? Main relay? Try new plugs and wires again? Possible bad distributor from the part store?