Can any1 help? my car is hesitating/juddering badly just before boost! I have replaced the boost solenoid and nothing has changed. any suggestions would be very helpful. thanks

 

Plug gaps? Coils? Need more info on your car bud! Have you checked any of the other hesitation threads - there are quite a few......

 

If you want anything approaching specific advice you're going to have to give us a lot more to go on. Type and age of car, whether it happens when the engine's hot and cold, , in every gear, at neutral, etc. The more we know the better we can help.

 

the car is a 1999 wrx sti v5 wagon. It only hesitates before boost from about 2-3 grand. Once boost kicks in everything seems to be ok. occasionally it seems to miss boost aswell. Seems to happen in every gear and gets worse when hot. I was doing some motorway driving a couple of days ago and it was juddering like mad. It seems to be getting worse!

 

stuart
Is the juddering when you accelerate from the revs you said, or when driving steady at those revs?

 

When i accelerate no matter how fast im going.