Mismatch intake?
Thread Starter
|
New User
Joined: Aug 2015
Posts: 4
Likes: 0
Mismatch intake?
Last weekend I replaced the intake gaskets on my 97 5.4l. I was getting 171 code and decided to go after the intake for the cause. So after I get done with the job I happen to see bright blue gasket while looking for the connector for the IAC via a mirror. I also can see a a bolt hole. This is one the passenger side. The casting on the head is marked RF75E-6090-C20A. Could this be the cause of my code P0171 coming back? Thanks in advance. I have an aluminium Upper Intake. Maybe the previous owner put a differant year 5.4 or 4.6 or for whatever reason changed the upper intake. Please help and thank you.
Thread Starter
|
New User
Joined: Aug 2015
Posts: 4
Likes: 0
Looking down thru mirror. It appears to be a port in the cylinder head of some sort. Truck runs great and idles perfectly.
Passenger side, back of motor near firewall
Casting on the drivers side cylinder head
Last edited by zxcy38462; Aug 16, 2015 at 03:42 PM. Reason: Cuz i re-thought what i meant to say
Thread
Thread Starter
Forum
Replies
Last Post
just-n-time
Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W)
8
Aug 17, 2007 09:22 PM
