2001 Pontiac Montana Q&A

2001 Pontiac Montana Question: estimate of repair 2001 pontaic montana code 0305 missing.Compression shows cold

140/90 hot 140/60 told needs valve heads repaired or replaced, What cost am i looking at. Thanks -
Answer 1
possibly $1200-1800 -
Answer 2
have a leak down test done and a wet and dry compression test that will give you more info -