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Car Forum / MINI / August 2006Idle speed.....
I have a K' reg, Mini Cooper 1.3i. Its seems to idle at traffic lights at about 500rpm, and seems to chug a bit as if its running to low. Whats the ideal tickover rpm for this motor please... I have a funny feeling it should be running a bit faster. Many thanks Neil my 1.3mpi idles at about 700rpm...dont know if that helpfull? > I have a K' reg, Mini Cooper 1.3i. > [quoted text clipped - 6 lines] > Many thanks > Neil I always used to set mine at 800rpm, 500 is a bit low Haynes manual says... 1969 on Twin SU HS2 Carb Mini Cooper S Mk III 1275 idle speed 600rpm Fast idle speed 1000rpm Taken from manual 1969 to 1996 Hope that helps Stu > I have a K' reg, Mini Cooper 1.3i. > [quoted text clipped - 6 lines] > Many thanks > Neil The other posts are correct,,,, 750rpm plus or minus 50 rpm, is about right, but it sounds like there is a underlying problem somewhere, fuel injected engines are usually very reliable when it comes to idle, unless there is a problem, (ie) sucking air in through a split or cracked pipe, a blocked air filter, a breather system starting to block up, etc, Fitzy > Haynes manual says... 1969 on Twin SU HS2 Carb > [quoted text clipped - 19 lines] > > Many thanks > > Neil I also have a problem with idle speed. My 25 (standard 998 engine) idles at about 1200. If I blip the throttle it drops to about 750 but then gradually increases back to the 1200 level. Any ideas on what could be the cause of this? Roy > The other posts are correct,,,, 750rpm plus or minus 50 rpm, > is about right, Hi rajah could be sucking air in somewhere on the carb or the gasket between the carb and the inlet manifold, could also be a tight throttle cable or a stuck choke cable, basic checks and adjustments could cure it, !! Fitzy > I also have a problem with idle speed. > [quoted text clipped - 7 lines] > > The other posts are correct,,,, 750rpm plus or minus 50 rpm, > > is about right, Yeah, looks like it's an air leak somewhere as mechanically the throttle returns ok and the engine idle drops, but then without any throttle linkage movement the revs rise again. Suspect it might be the butterfly spindle that's worn. Roy > Hi rajah > could be sucking air in somewhere on the carb or the gasket between the carb [quoted text clipped - 16 lines] > > > The other posts are correct,,,, 750rpm plus or minus 50 rpm, > > > is about right, Try spraying WD40 or similar oil around the carb base, if the engine changes tone, or comes back to correct idle, this means the spray oil has been sucked in to the gap, this is just to give you some idea as to where the air leak could be,,, !! Worth a try !! Fitzy > Yeah, looks like it's an air leak somewhere as mechanically the throttle > returns ok and the engine idle drops, but then without any throttle linkage [quoted text clipped - 24 lines] > > > > The other posts are correct,,,, 750rpm plus or minus 50 rpm, > > > > is about right, Usually around 800 rpm on tick over and about 1000 rpm fast idle. Thats what my mates is set at and it's running fine. Hope it helps > I have a K' reg, Mini Cooper 1.3i. > [quoted text clipped - 6 lines] > Many thanks > Neil Thanks everyone for your advice. > I have a K' reg, Mini Cooper 1.3i. > [quoted text clipped - 6 lines] > Many thanks > Neil >I have a K' reg, Mini Cooper 1.3i. > [quoted text clipped - 6 lines] >Many thanks >Neil i own a mini cooper k reg aswell the original engine has been replaced, with a metro engine, it idles at about 700rpm aswell urs dus seem abit low. i would get it checked or if your handy with cars do it yourself. regards mike |
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