2015 Micra with 239k
I loose power on hills and get a 101 fault code
Car runs fine on flat up to 100k
New Mass air flow sensor no difference
Vacuum gauge 19 inches at any RPM
Accelerate to 5000 RPM and release indicates very bad rings
Spark plug are NKG Iridium a few 1000 old look very good could be lean slight brown colour.
Compression test cold 150,150,150.165
Believe it is not enough gas going in when under load.
Anybody Know about the 3 speed fuel pump.
Putting cleaner in and have seen no difference.