Vacuum leak is worth ruling out before spending on injector cleaning because it produces almost identical symptoms and costs nothing to check visually. A shop that checks for vacuum leaks first before recommending cleaning is approaching it properly.

Rolls-Royce owners not discussing mechanical issues publicly is real but it means the absence of firsthand accounts online significantly understates how often these cars do get serviced outside the official network successfully. The image consideration cuts both ways because it also means owners who’ve had good independent experiences rarely…

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