missfire not coul pack fiesta

[craig1989]

hi there

i have a 1.25 fiesta 54 plate and have for a year now

the problem is my car is missfirring on cylinder 1 and 4, but i have had the coil pack changed plus the leads and the sparks but no change at all genuine ford parts to. there is no spark at all comming from the coil its self. changed the coil again and still no change. any help please.

also the catilitic shows as fuel to rich could it be this?

please help

[craig1989]

hi there

i have a 1.25 fiesta 54 plate and have for a year now

the problem is my car is missfirring on cylinder 1 and 4, but i have had the coil pack changed plus the leads and the sparks but no change at all genuine ford parts to. there is no spark at all comming from the coil its self. changed the coil again and still no change. any help please.

also the catilitic shows as fuel to rich could it be this?

please help

anyone????????

[Russ]

hi there

i have a 1.25 fiesta 54 plate and have for a year now

the problem is my car is missfirring on cylinder 1 and 4, but i have had the coil pack changed plus the leads and the sparks but no change at all genuine ford parts to. there is no spark at all comming from the coil its self. changed the coil again and still no change. any help please.

also the catilitic shows as fuel to rich could it be this?

please help

Sounds like your crank sensor could be failing?

[craig1989]

thanks yeah i though it might have something to do with a sensor.

i have some more info on it now when the engine is warm all 4 cylinders are firring but when cold there are only 2 firring, but if i hold the accelerator whilst cold all 4 cylinders are firring cheers.......