2000 L needs help
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Junior Member
Joined: Nov 2004
Posts: 4
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2000 L needs help
my 2000 L (5.4 supercharged) is barely running
checked with scanner had 2 codes both for the o2 sensors Lean
runs in open loop made but only about 35 to 40 mph any gas peddle at all it dies out.
tried to hook up fuel pressure thinking maby low pressure but the gauge threads are different than the fuel rail.
Any idead
gregmock84gn@hotmail.com
checked with scanner had 2 codes both for the o2 sensors Lean
runs in open loop made but only about 35 to 40 mph any gas peddle at all it dies out.
tried to hook up fuel pressure thinking maby low pressure but the gauge threads are different than the fuel rail.
Any idead
gregmock84gn@hotmail.com
Technical Article Contributor
Joined: May 2004
Posts: 6,509
Likes: 6
From: Georgia on my mind...
I'm not an SVT guy, so I'm not sure, but Lightnings may have the same PCV hose setup that rots away on the back of the intake elbow somewhere. Follow the PCV hose from the right valve cover to where it connects to the blower/intake manifold, make sure it's not rotted through. Both upstream O2s showing lean means that you've got something wrong common to both banks after the mass air sensor. Look for vacuum leaks.