Ecotec 2.2

Maintenance/Repairs
1

have an 05 cavalier timing chain is noisy,

98k miles check engine light on intermittent. anyone having simalar problem

2

Have you had the codes checked?

3

code reads intermittent miss vaccum at idle low

4

You might have more than one problem. A noisy timing chain is your lucky indicator that it might break. Verify this with your mechanic and beat the internal engine crash blues.