another problem i got in 91 si with b16

motor is shaking at idle only, motor is running strong, the car is studdering a bit around 800k til 1500k affter that car is running like a champ- i changed the plugs,wires,cap,rotor and still shaking, i checked my mounts they looks good. my next thing to change is the fuel filter, my question to u guys is WTF is goin on wit my car?? can the alternator cause this problem? i have a small sub in my car and i just wired it up and i see the idle droppin when listening to music , yea yea i dunno either but i hope you guys can help me thanx !

 

bump

 

help

 

Sounds like you have a vacuum leak.

 

thank for the reply i will let you know first thing in the morning. where should i check for the vacuum leak

 

check in the intake manifold gasket those seem to go bad on b16 alot

 

well last night at work i threw on a clear dizzy cap i got froma friend. so i checked the spark and i have no to weak spark in cylinder #4 , i pulled the plug for the 4th cylinder and no change in idle, pulled 3 and motor changed idle- so far i changed,plugs,wires,cap,rotor i dunno wat to do HELP

 

excuse my former reply, I think I put it in the wrong thread obviously....forgive me.


Modified by stockbee at 8:31 AM 4/7/2006

 

Do a compression test on that cylinder, I bet you have a bad valve....time for a head job.

 

well here are the number 65 215 220 215 there u go!

 

well i had two bent valves on the intake side, picked up some type r valves from a local h-t member and gonna install the head 2orrom wish me luck!!

 

After you rebuild it, try not to miss any more shifts.

 

hmmmm nevered missed shift but bump