Starting problems
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Freshman User
Joined: Apr 2007
Posts: 25
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From: northern, CA
Starting problems
I have a 2007 with 35,000 miles. Lately when I shut the engine off for a short time it will not start again unless I let it sit for about an hour or more. After it cools it starts right up again. Any thoughts?
Fleet Owner
Joined: Nov 2003
Posts: 27,897
Likes: 3,615
It sounds like a high pressure oil leak. Possibly in the pump (HPOP) discharge line. I do not recall if the 07's have the snap-to-connect fitting (which is notorious for leaking) or not. I believe they do. A minor leak in this system will show up w/ hot oil and not allow the necessary pressure to build for injector firing. Check for codes - it may confirm this. The STC fitting connects the hpop to the branch tubes. IIRC - the parts are around 50 and takes about 3-4 hours to put in if its the first time you tackle it.
Also - the dummy plug orings in the oil rail is a common source of leakage.
Also - the dummy plug orings in the oil rail is a common source of leakage.
