Trying to post a pic of the 2 vacuum lines, is there any more ? Not on the right side unless your standing in front of it.
Well I had a beer and thought to heck with it, I'm on vacation and I have it tore apart this far so another 90 minutes I had the air box ox n plug out. For only 3000 miles on it the front plug dont look good n the gap is .022 so not sure of the factory gap. I'd NEVER want to do it again, even changing air filter is a nightmare.
Factory Gap is .031-.032. I go a bit wider on mine. .022 is definitely too narrow. When you change them be sure to go to an NGK DCPR8EIX (6546). That alone will make a big difference in throttle response, quick start-up, better mileage, power and smoother running. Use Thermal Past (NOT Anti-Seize) on the spark plug threads and Dielectric Grease on the Spark Plug boots, (not the Coil Boots). I highly recommend you change out your spark plug wires with a High Quality set (not OEM). If you don't, you will be very disappointed. Especially when you have to do this again to replace them. If you do these things, I think you will be impressed!
Agree with Peter on this, any cracks in the vac lines will cause this issue, also after some time the vac lines tend to lose their grip on the post which can also cause issues like this. Best to replace with the silicone lines.
what size are these lines ... so I can hunt some first before I start undressing my spyder ??