車の調子が

the car’s condition

→ 車
phrase Rare #27,684
the car’s condition Usually followed by a word describing how the car is running. The particle が marks 車の調子 (the car’s condition) as the subject.
JA: 車の調子がいいです。
EN: The car is running well.

車の調子が悪かった

The car wasn’t running well.

— TAXi (1998)

車の調子が何処か悪いのですか。

Is something wrong with the car?

車の調子が悪かったので会社へバスで行かなければならなかった。

My car was having trouble, so I had to take the bus to work.