General punto 85sx judering wen foot down

[COLZY 85sx]

hi ppl my first post just joined the day i need with my punto as above went i put my foot down the car some times judders dose it in all gears and revs but not all the time i'v cleand out my carb and air filter but carnt get my spark plugs out to check them. pls help thx 1 more thing is the engine in the 85sx got the same as the sporting thx

 

[beau]

try unplugging the lambda sensor.

 

[COLZY 85sx]

i tried tht didnt work ordered some spark plugs dont get them till tuesday it's got really bad now might get some ht leads to and hope tht solves it any suggestions? cheers