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Member Since: 29 Feb 2016
Location: Worcestershire
Posts: 79

United Kingdom 2017 Range Rover SVAutobiography 5.0 SC V8 Aintree Green
RRC 4.2 lacking power

I have a 4.2LSE which appears to be lacking power compared to all my other LSEs so seeking any advice please.

I've checked the air filter and swapped the air meter and that hasn't helped.

I fear it might be a transmission problem. The card effectively just accelerates incredibly slowly unless you kick-down compared to my other cars.

I wonder if it might also be an ECU problem. Really I have no idea but trying to work out how I can narrow it down! The fuel pipes have all been replaced and that didn't help either! 1994 Range Rover LSE Autobiography
1994 Range Rover Vogue LSE Softdash
1994 Range Rover Vogue LSE (transmission failed so now a donor car!)
1994 Range Rover Vogue LSE (knackered donor car!)
1993 Range Rover Vogue LSE
1969 Aston Martin DB6 Vantage
1953 Lagonda DB3.0 Drophead Brooklands
1939 Lagonda LG6

Post #554715 21st May 2020 10:22am
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