Welcome to MVS, kutzsche1. You've got to gap the plugs. I'd check the owner's manual for the right replacement spark plugs either way. But always check the gap. As for idle noise, you're on the right track thinking about motor mounts, although that new one didn't fix it. I'd look for anything that c...

Wear gloves and touch parts until you find it.

I can clear that code if the rocket has an OBD-II port...

Knees if you're lucky. If you're staring at the stars on a nice evening with your head hanging off the end, it could be your own little 1789.

"My Maserati does one-eighty-five
I lost my license, now I don't drive
I have a limo, ride in the back
I lock the doors in case I'm attacked"

https://genius.com/Joe-walsh-lifes-been-good-lyrics

I think by #100, give or take, we'll just be teleporting, no?

BlackBart wrote: ↑24 Apr 2023, 17:25 Not to be confused with this lonely loaf of bread. I think they sold 10 or 12 of these in the US.....


VolvoV40.2.jpg

My mom had one of these, same color too. Decent car.

I don't recall ever reading about a 2 -> 4 conversion... The gap and brand of spark plugs in this application is probably of high importance, where Volvos in general already put spark plugs at high importance*. I'm not a 4-cyl guy, so these are just the thoughts off the top of my head. * turbo Volvo...

The throttle body was on wrong. It was installed 180° off.


After the fix: