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Help with rough idle and reduce engine light
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Dpotter915
 


Member Since: 27 Nov 2024
Location: Alabama
Posts: 2

United States 2005 LR3 4.4 V8 SE Auto Tonga GreenLR3
Help with rough idle and reduce engine light

Having issues with rough idle and reduced engine light... just about narrowed down to throttle body. Cleaned it and nothing different, are these readings normal and how can fix it?
Click image to enlarge
  
Post #238250327th Nov 2024 4:15 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10732

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

What codes?
  
Post #238252727th Nov 2024 6:52 pm
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Dpotter915
 


Member Since: 27 Nov 2024
Location: Alabama
Posts: 2

United States 2005 LR3 4.4 V8 SE Auto Tonga GreenLR3

No codes
  
Post #238252927th Nov 2024 6:54 pm
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AdamB
 


Member Since: 18 Jan 2023
Location: Thurrock
Posts: 147

England 2010 Discovery 4 3.0 TDV6 XS Auto Stornoway GreyDiscovery 4

Both of mine have benefitted from a bottle or two of millers diesel power ecomax fuel treatment, may be worth a try but I never had an actual problem to solve.

For what it's worth both my D3 and D4 are noticeably smoother on premium diesel. It's not night and day but there is a difference in smoothness and mpg.
  
Post #238254427th Nov 2024 9:50 pm
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