Sounds like the start of the Intake Manifold Gasket issue. If you haven't swapped it out yet start there.
Super VXer
Sounds like the start of the Intake Manifold Gasket issue. If you haven't swapped it out yet start there.
1999 Lotus VX Ironman Edition
It's fun to rebadge...
Super VXer
Yes, it is possibly an air leak. Could be either the Intake Manifold Gasket issue or it could be a leak around the EGR. The first thing I would do is make sure the EGR bolts are tight.
I had a similar experience when I opened up the EGR for the cleaning and didn't tighten the bolts enough when I put it back together. And don't overtighten because if you break a bolt there, it will be a pain to extract.
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