MY transit 2 litre ohc van with Tartarini LPG conversion has saved me loadsa money over the past year. It is fast, quiet and does 5 miles per litre @37.9p ish. It has however recently developed a wish to run faster on LPG than on petrol. It starts and runs fine but when it is on gas the revs dont drop back fully to tickover which means a bit more braking ! If I switch off the gas the revs drop to normal as soon as the petrol takes over. The throttle linkage is OK - its a gas thing I think. Anybody had a similar problem or any ideas please?
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