Engine Systems Fault - LR3 - Power Loss

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Hera Miah

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I have a 2006 LR3.

Intermittently (getting more and more regular) I start the car fine, but get the messages 'Engine Systems Fault' and or 'Special Programs Off'. I then have power loss and the needle rarely moves from idle no matter how much i press the peddle. After a few restarts - it runs fine. However, its starting to pop up with those messages with power loss on occasions when i am driving. So far i have changed air filter, cleaned maf sensor, tried a new throttle - the problem came back after a day of good driving.

any help would be greatly appreciated.
 

Houm_WA

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This is a new one to me. I suggest buying an IIDTool so you can get a read in the faults being generated.
 

Globetrotter

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sounds like a blocked fuel supply or a bad connection to injectors or pump. How good is the battery and alternator
 

Hera Miah

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sorry for the late reply. i am still having the issue and probably taking it to land rover ($$$) today as i am sick of it now. i have tested and replaced so much in the car - when it does run, it runs like a ***** cat. however, intermittently still goes into limp mode with "engine system fault" appearing.

i will double check "blocked fuel supply" and also the battery - though the battery is only a year old.
 

remember5

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I would be interested to see what the dealer says when you get it back.
 

jptruck

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My guess is bad o2 sensors (think that was the name) or issues with the catalytic converter. This was a frequent problem with my 05. Your dealer will know
 

Landroverman

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My 2005 LR3 has a failing engine as well. Have you run a compression test? I have 125K miles on mine and I discovered that three cylinders have sub-par compression, which results in stumbling and power loss until the vehicle warms up.
 

Hera Miah

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Hello all,

finally fixed my car. after all these months - turns out i needed both the oxygen sensors replacing. frustrated it took so long in diagnosing and i think i spent more time and money that was actually needed after trying to many different things.
 

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