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Uneven acceleration / performance
Mini Discussion of English Mini automobiles (alt.autos.mini)
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#21
 
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Re: Uneven acceleration / performance -
09-13-2003
, 03:07 AM
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I'd start be reinstalling the standard airbox and see if that solves the problem. |
filterbox / filter etc... so possibly not the carb icing up... given that
it's summer/autumn over there too!?
#22
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(Surprised nobody else has mentioned carburettor icing. It is, after all, a very common problem if you leave the carburettor exposed.) |
carb, and there was no ice on it (not in the summer, and not with the
temperature in *my* engine room, i'll tell you...)
I am going to fix a few small things on the car this afternoon, and then
take it for a spin again to see if the problem persists.
HJ
#23
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(Surprised nobody else has mentioned carburettor icing. It is, after all, a very common problem if you leave the carburettor exposed.) It was mentioned in some post or another, but I do have a standard-fitted carb, and there was no ice on it (not in the summer, and not with the temperature in *my* engine room, i'll tell you...) I am going to fix a few small things on the car this afternoon, and then take it for a spin again to see if the problem persists. HJ Hi, Wify had a similar problem on her '66 Woody. After lots of frustration, much |
collection of fine hairs which had come through the fuel pump and collected
above the float needle valve in the carb. once this was cleaned out the car
was perfect.
Keith
#24
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My mini went into a coma when I was on my way to London (from Liverpool) today. REally odd: The engine seems to be running fine up to a certain rev, then it becomes odd, the acceleration seems to become pulsating, and even on full gas, I couln't get the car to go any faster than 50-60 - bad news on the M6, in other words I pulled over, and waited for a bit, contemplating what to do. I decided to try and make it to a service station (3 mi), and suddenly the car was okay again, so I decided to continue driving. After 10 miles or so the same thing happened again. I now pulled off at a service station and picked the air filter-thingie apart, because I thought there might be something wrong with the fuel supply. Couldn't find anything wrong, and put the air filter back on. When I put it back together, a strange sound was introduced: Driving slowly (>30) while giving a lot of gas, the car had an additional growling-type sound, kind of like you hear from styled riceburners with large chrome exhaust pipes. Other than this, the car seemed all right again, and I went back on the motorway, only to have the same thing happen again 20 minutes later. In a moment of inspiration, I pulled the choke, and the engine suddenly ran perfectly again. I turned the car around and headed home again, not trusting it all the way to London. I managed to get it all the way to Liverpool without further incident (pulling the choke whenever the weird thing happened again). I don't know what the hell is going on. Any suggestions? HJ |
#25
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"H.J. Kamps" <news (AT) removethis (DOT) kamps.takethisaway.org> wrote: In a moment of inspiration, I pulled the choke, and the engine suddenly ran perfectly again. marc_9 wrote: Tried to send off a reply to you earlier but it obviously vanished into cyberspace - havent seen it since. Try changing the condenser and points in the distributor. Might be worn. I had the same problem 2 weeks ago. Deja vu. What intermittent failure of the condenser or points would be fixed by a very rich mixture? |
spark to ignite it. With a bit more fuel, the mixture is more easily
ignited, hence will pick up again....I think!
#26
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David Betts <davidb (AT) minilist (DOT) org> wrote in news:i3f5mv0q1273t53um9ha59u917hcai36tg (AT) 4ax (DOT) com: I'd start be reinstalling the standard airbox and see if that solves the problem. - From the photo's on his site it looks like he's got the standard filterbox / filter etc... so possibly not the carb icing up... given that it's summer/autumn over there too!? |
carburettor icing on a hot summer's day after a few minutes running at
around 70 mph...admittedly with an open inlet sticking straight out
through the bonnet.
Agree it's unlikely if he's got the standard air intake, but then we
didn't know that, did we :-)>? The symptoms are spot on.
Regards, David Betts
davidb (AT) minilist (DOT) org
The Mini Gallery:
http://www.ofoto.com/I.jsp?m=64635537103&n=1366070334
#27
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My mini went into a coma when I was on my way to London (from Liverpool) today. REally odd: The engine seems to be running fine up to a certain rev, then it becomes odd, the acceleration seems to become pulsating, and even on full gas, I couln't get the car to go any faster than 50-60 - bad news on the M6, in other words I pulled over, and waited for a bit, contemplating what to do. I decided to try and make it to a service station (3 mi), and suddenly the car was okay again, so I decided to continue driving. After 10 miles or so the same thing happened again. I now pulled off at a service station and picked the air filter-thingie apart, because I thought there might be something wrong with the fuel supply. Couldn't find anything wrong, and put the air filter back on. When I put it back together, a strange sound was introduced: Driving slowly (>30) while giving a lot of gas, the car had an additional growling-type sound, kind of like you hear from styled riceburners with large chrome exhaust pipes. Other than this, the car seemed all right again, and I went back on the motorway, only to have the same thing happen again 20 minutes later. In a moment of inspiration, I pulled the choke, and the engine suddenly ran perfectly again. I turned the car around and headed home again, not trusting it all the way to London. I managed to get it all the way to Liverpool without further incident (pulling the choke whenever the weird thing happened again). I don't know what the hell is going on. Any suggestions? |
TTFN,
Dave
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