I have been having a misfire problem with my Chevy HHR 2007 so I took it to the dealer and I have 50 psi & 60% leakage past exhaust valve in cylinder 1 according to dealer with $2500 to $3200 repair cost. just went over a hundred thousand miles.

 

What sort of problems? Like only a misfire or anything else going on with it?

 

When I am at idle usually below 2000 RPM it sets off the TC warning signal and shifts hard between 1st and 2nd. Other than that I don't notice anything. Codes i get are p0301 & p0301pd

 

Not that I know of but it seems like there's some oil around outside oil
filter area

 

Treep - how about we keep all the threads about this problem in the same thread, rather than opening another

I've merged your threads and moved them to the proper section - ie: Problems/Service/Repairs

 

Yes, you need a valve job, the quote probably is for a ne head assembly. Read the quote you were given.

Please stop double posting.

 

Sorry pretty new to this. Didn't mean to double post but thank you

 

Depending on engine new head approx.

labor 2.2L=6 hours 2.4L=9 hours

head 2.2L=$720 2.4L=$632

 

They said P0301.

 

There could be other causes. From my own HHR experience with a leak down test, the loudest sound isn't necessarily the worst leak.

https://www.chevyhhr.net/forums/ss-s...e2/#post795044

https://www.chevyhhr.net/forums/how-...84/#post796543 (step 22)