Thread: How To Improve MPG on ST170
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Old Mar 18, 2010 | 04:15 PM
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Mint FRST
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From: Staffordshire
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Change the whole car to a TDCi Sport!

Seriously, a K&N and boost valve wont help your MPG.

Better to get the car on a decent rolling road and have it checked over. It could have a dodgy MAF or Lambda sensor which wont help your MPG
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