i have a 94 accord lx 145k miles i gave it a tuen up but since i bought it it has had a miss fire that if i turn off the car and then turn it on again it goes way...i want to make it go away permanently...this is what happens when i put in drive it liek revs down fast to like 400 then jumps to liek almost 2000
then goes normal...pardon the gesture it goes quiet then bu...bubuuuu then regular engine sound..mind if i turn off the car then re start it it goes away.but then if i turn it on again some tiems it ceome back random..please help...

 

The problem may not be a miss just a problem with you iac of fast idle thermo valve. Do some research on both thy have a bulletin for the fast idle thermo valve spinning loose inside.