Has anyone had any joy with STP injector cleaner before? Hearing mixed things but for a fiver it can't hurt right?
Petrol or diesel?
I use either BK 44k if I can find it cheaper that the usual £20 or forte products. Other trick is using shell hi octane fuel with some IPA in the tank and the second tank with a shot of meths and thrash then replace fuel filter.
2.0 Diesel, starts first time and runs OK but often feels very lumpy when it idles/low revs. Ragging it hasn't helped yet
@lynx started
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Has anyone had any joy with STP injector cleaner before? Hearing mixed things but for a fiver it can't hurt right?