Acceleration problem 1.6 16V SX

[Tomas]

Hi!

I've got a '98 Bravo 1.6, approx 80' km... Suddenly I noticed that when I accelerate hard the "boost" disappears when I get above 4000 rpm, and the needle slowly raises and stops at 6300 rpm... I thougt the rpm limiter was above 7000, and I thougt that the car should have more boost from 4500-6000, than from 3000-4000 rpm... What can be wrong?? Frustrating to drive around with less power than there should be... Hope I get som advice from you

 

[Ash]

it could be a blocked exhaust dodgy injector worn cams dead oxygen sensor etc etc. the only way to find the problem is to start taking it appart

 

[Shaun Cook]

i had that problem with my 1.6, it might be ur timming...i played around with mine and its better now..try that!

 

[Tom]

How did you play with your timing?

As Ash says, could be many things. You've not said when it was last serviced.

 

[Tomas]

It was serviced 4000 km ago... It was fine after that, then suddenly loosing the "boost" from 4000 and up...

The timing; how do I adjust this??

Could it be the knock sensor or a bad catalytic converter...