i have just got a 1980 colt 5door 1.4 auto and would like to know if this car needs to run on leaded petrol or if unleaded is ok. it is having a little problem at the mo and would like to rule this out as the cause.
if the engine code is 4G12, than the engine is suitable for unleaded petrol, so you don't have 2 look for leaded petrol. if theres another engine on your car, reply me with the engine code, and i ll try to give you an answer.
ps. minimum octane rating for 4G12 is 91RON
this information is obtained from autodata 2004, ver 5.373
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