Emission numbers and the IMSB

[flmont]

If you have a failing IMS, would it reflect in your emission numbers as in running to rich or running to lean if that's even possible with Cat's and ECU's on a boxster ?? Thanks.

[JFP in PA]

Originally Posted by flmont

If you have a failing IMS, would it reflect in your emission numbers as in running to rich or running to lean if that's even possible with Cat's and ECU's on a boxster ?? Thanks.

No...…………..

[flmont]

thank you,.I thought it may make the valve train act up

[JFP in PA]

Originally Posted by flmont

thank you,.I thought it may make the valve train act up

By the time the IMS significantly effects cam timing, the engine is seconds from death.