Fuel
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Freshman User
Joined: Nov 2002
Posts: 28
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From: California
Fuel
Hello , its been a while since I was here , I have a question that maybe some one can answer,,,,, Broke down , did a set of head gaskets on a 4.0 v-6 , now the damn thing will not start and yesterday I pulled the dipstick out and I have fuel in the oil , does any one have any suggestions , I was thinking the intake might not of sealed perfectly but im open to any help.
thanks in advance.
thanks in advance.
Lead Driver
Joined: Sep 2003
Posts: 7,015
Likes: 208
From: SoCal
Check to see if the fuel pressure regulator has blown its diaphragm. Pull the vacuum line on it to see if there is fuel in it. This is about the only way I can think of that fuel would get into the oil; getting sucked into the intake manifold, and making its way past the rings.
"I was thinking the intake might not of(sic) sealed perfectly..."
The intake manifold is otherwise dry; there should be no fuel in there, except maybe right at the port where the fuel injectors sit.
"I was thinking the intake might not of(sic) sealed perfectly..."
The intake manifold is otherwise dry; there should be no fuel in there, except maybe right at the port where the fuel injectors sit.
Cargo Master
Joined: May 2007
Posts: 2,071
Likes: 36
From: British Columbia
I concur with XLT.
I had a fuel pressure regulator fail about a year ago. Same story- I couldn't get the car to start and discovered that one of the cylinders was filling up with gasoline.
An easy check is to disconnect the vacuum line to the regulator and suck on it. If you get a mouth full of gas, or a lungful of fuel fumes and the unit doesn't hold suction, the diaphragm has ruptured.
I had a fuel pressure regulator fail about a year ago. Same story- I couldn't get the car to start and discovered that one of the cylinders was filling up with gasoline.
An easy check is to disconnect the vacuum line to the regulator and suck on it. If you get a mouth full of gas, or a lungful of fuel fumes and the unit doesn't hold suction, the diaphragm has ruptured.
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jhawk7783
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