Emission Test On Ls430

[lamela]

Hi everyone

My car is due an mot test soon, but I wanted to ask a question and I hope you guys can help.

When they do an emission test, do they have to rev the engine abit high? I get kinda scared thinking it might ruin my engine them reving it high just to check the emissions.

[steve2006]

No on a petrol car they normally test emissions at idle speed and if it fails at that then at a fast idle but no more than 1500rpm so there is no way it would be revved to the red line for the test.

You may be thinking of the diesel test where the engine is revved until the governer kicks in and that is why the tester should ask if the cambelt is in good order before doing the test.

Relax it's an LS430 and it will be fine.