my 1999 1.2sk bravo has terrifically high emission my brother as tried everything he can think of latest exaust ,cat converter been on a diognostic mechanism 3 times still cannot find the prob as it is it can't pass the NCT, one-time twice i would be grateful for any solutions
Answers: Could be something as simple as a desperate p.c.v. valve cause blow by into intake to worn valve guide seal or rings. O2 not switching fast adequate or a thousand other things. You need to find a competent shop that properly know how to use an exhaust gas analyzer to narrow down exactly which gasses are too soaring or low and why.
My vehicle joystick is slack stale, any...
Answers: Could be something as simple as a desperate p.c.v. valve cause blow by into intake to worn valve guide seal or rings. O2 not switching fast adequate or a thousand other things. You need to find a competent shop that properly know how to use an exhaust gas analyzer to narrow down exactly which gasses are too soaring or low and why.
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