CFI
Senior Member

The lack of a signal from the O2 sensor would not harm a properly functioning car, you’d simply use more gas and have higher emissions. However, if...

It sounds like my car when I had the fuel mixture adjusted incorrectly. Have you taken any dwell measurements? Out of curiosity, does the problem go...

I’d start with a thorough inspection of the roof box. Open the access cover and use a boroscope to get an idea of what’s going on inside the box...

When a 40 year old car only has 175 miles, roadworthiness means nothing. How road worthy does it have to be to sit in a garage?

Keep in mind that it’s the same engine used on a lot of old Volvos. Your local Volvo shop might still employ someone who is knowledgeable with that...