H3 Head or Coil?
Thread Starter
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Junior Member
Joined: Nov 2013
Posts: 15
So I'm thinking new MAF ASAP. Are any brands better then others? Are the upgraded units such as jetperformance worth it?
Also I called a local machine shop they said if I did indeed pull the head they could put in new hardened valve seats, do a valve job, new seals and springs. All that out the door for under $200. They have done this to these heads before and they are a very reputable local shop. Thoughts on that idea as well?
Also I called a local machine shop they said if I did indeed pull the head they could put in new hardened valve seats, do a valve job, new seals and springs. All that out the door for under $200. They have done this to these heads before and they are a very reputable local shop. Thoughts on that idea as well?
Senior Member
Joined: Jan 2010
Posts: 363
From: FT HOOD, TX
So I'm thinking new MAF ASAP. Are any brands better then others? Are the upgraded units such as jetperformance worth it?
Also I called a local machine shop they said if I did indeed pull the head they could put in new hardened valve seats, do a valve job, new seals and springs. All that out the door for under $200. They have done this to these heads before and they are a very reputable local shop. Thoughts on that idea as well?
Also I called a local machine shop they said if I did indeed pull the head they could put in new hardened valve seats, do a valve job, new seals and springs. All that out the door for under $200. They have done this to these heads before and they are a very reputable local shop. Thoughts on that idea as well?
Thread Starter
|
Junior Member
Joined: Nov 2013
Posts: 15
Progress as of today.
So far since my last post I have replaced:
1) MAF w/ AcDelco part
2) Cam position sensor w/ AcDelco
3) Valve timing solenoid w/ AcDelco
4) Cleaned injectors with a direct fuel line hook up flush kit.
5) Tried doing Gm TPS relearn.
All that being said I'm still getting random Cyl 1 misfire pending code. Doesn't always turn on CEL. Any thoughts?
1) MAF w/ AcDelco part
2) Cam position sensor w/ AcDelco
3) Valve timing solenoid w/ AcDelco
4) Cleaned injectors with a direct fuel line hook up flush kit.
5) Tried doing Gm TPS relearn.
All that being said I'm still getting random Cyl 1 misfire pending code. Doesn't always turn on CEL. Any thoughts?
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