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BigRuss · 5th July 2022, 11:48

It's the 2nd IAT or inlet temperature sensor fitted to the later cars. The first is in the MAF sensor

It's used to more accurately determine the density of the air post intercooler.

Russ

5th July 2022, 11:48	#33
BigRuss Premium Trader 75 CDT Tourer,2.5 Launch Saloon, Omipro MG/Rover (T4) Join Date: Jul 2007 Location: Liversedge, West Yorkshire Posts: 5,411 Thanks: 1,105 Thanked 1,340 Times in 661 Posts	It's the 2nd IAT or inlet temperature sensor fitted to the later cars. The first is in the MAF sensor It's used to more accurately determine the density of the air post intercooler. Russ __________________ Replacement Key Service http://https://the75andztclub.co.uk/...d.php?t=244732 Full T4 Testbook diagnostics available. Diesel ECU repair and replacement. Options enabled or disabled as required. Diesel X-Power 135 and 160bhp, Rover 1.8T 150 to 160 MG 160 V6 to 177 upgrades available P.M. for details.