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Cardoctor71, ASE Master Technician
Category: Subaru
Satisfied Customers: 672
Experience:  35 years experience in the automotive and Lt truck repair business, owner Cardoctor LLC Guthrie, OK
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Car runs smooth at start-up but after it warms up it idles

Customer Question

car runs smooth at start-up but after it warms up it idles rough and will stall when accelerating
JA: Is the rough idle intermittent or consistent?
Customer: after warm up, it is consistent
JA: What is the model/year of your Subaru?
Customer: 2008 legacy
JA: Are you fixing your Legacy yourself? What have you tried so far?
Customer: just replaced head gaskets myself, nothing else
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 9 months ago.
Category: Subaru
Expert:  Cardoctor71 replied 9 months ago.

You will need to check, that your timing marks, are correct, it's possible, the engine timing is one tooth off. Also it possible, that there were other underlying issues, besides the head gasket issue. What was the reason you replace the head gasket?

Customer: replied 9 months ago.
Blown gasket, at the air bag recall when they installed new bag they said it was fuel line that needed flushed,, but why would it do it when warm up and not when cold?
Expert:  Cardoctor71 replied 9 months ago.

please contact customer service ASAP

Customer: replied 9 months ago.
how do i contact customer service
Expert:  Cardoctor71 replied 9 months ago.

The site home page has contact info