Fiesta shuddering

[knockoff]

Hi all got a 1.3 fiesta noticed that when i accelerate it shudders really bad and dont seem to move anywhere quickly. I also noticed the exhaust seems to make a weird popping noise as if only blowing slowly. Any ideas anyone

[dan19evans]

Sounds like you've got a misfire, but that could be alot of things causing it.. most likely is an ignition fault.

When did you last have new spark plugs and HT leads? These are the most likely cause of the misfire

[knockoff]

being honest aint had it serviced in a long time, might try replacing leads and plugs,thanks

[dan19evans]

Remember to check the electrode gap on the spark plugs before fitting

Hope that helps

[knockoff]

Managed to remove 3 of the spark plugs, 4th wont budge and ceramic is broken now, any ideas how to loosen, seems edges are rounded slightly cos its that set. Any ideas how to loosen, tried wd40,RAC tried loosener he suggested heating it, not sure how tho.

[dan19evans]

knockoff said:

Managed to remove 3 of the spark plugs, 4th wont budge and ceramic is broken now, any ideas how to loosen, seems edges are rounded slightly cos its that set. Any ideas how to loosen, tried wd40,RAC tried loosener he suggested heating it, not sure how tho.

Refit the other spark plugs and start the engine. Leave it to run for a few mins, as the cylinder should heat up and expand very slightly. Then you should be able to remove the spark plug.

HTH

ETA: Careful, the spark plugs may be hot as fk afterwards

Edited by dan19evans on Monday 12th July 22:13

[knockoff]

will give it a go tomoz after work now, may just bite the bullet and get a mechanic to sort it.

[dan19evans]

knockoff said:

will give it a go tomoz after work now, may just bite the bullet and get a mechanic to sort it.

It's worth changing the plugs and leads anyway, it could be a cheap fix compared to what a garage would charge in labour.

[knockoff]

Id gladly do it myself its just the last plug is seized up bad and wont budge, gonna try wd40 and letting engine run see if it helps but until then its bikin it in the rain