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Backfiring


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#1 Blueboyice

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Posted Yesterday, 02:10 PM

So I’m fairly new to classic minis and just bought a 1997 Austin mini with a 1275 engine , so when I bought it the guy said on light throttle it’s fine on full throttle it’s a bit boggy and also a leak on the mechanical fuel pump ,
So I drove it home about 10 miles and then replaced the fuel pump gasket

Now the car will start then tick over but when you go to drive it , it backfires and struggles to idol and cuts out
Any advice would be amazing

Many thanks Andy

#2 sonscar

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Posted Yesterday, 05:45 PM

First rule of this type of situation is to revisit everything you touched.Tight? Correctly fitted? Parts missing,wrong parts,left something off,did the new bits exactly resemble the old bits,trapped anything,disturbed anything etc etc.Inspect carefully and assume nothing.Steve..

#3 Spider

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Posted Yesterday, 05:49 PM

By the sounds of it, it's leaning out, though it could be ignition issues too.



#4 Blueboyice

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Posted Today, 04:49 PM

First rule of this type of situation is to revisit everything you touched.Tight? Correctly fitted? Parts missing,wrong parts,left something off,did the new bits exactly resemble the old

bits,trapped anything,disturbed anything etc etc.Inspect carefully and assume nothing.Steve..


When I purchased the mini it had a slight issue so I may buy a mechanical pump just to by pass if that’s the issue or not




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