Technical Misfire

[Billybilly]

Every mile or so my car goes into limp mode its punto pop 1.2 2013 a local garage said it was the crank sensor whi h i changedbut its happening again.its showing code p0300 random multiple cylinder misfire detected
Cyl 2 misfire detected
Cyl 3 misfire detected
Can anyone help on this issue thanks

 

[ZaphodB]

Has this engine got a cam sensor ?

Also I'd check your engine main earth strap integrity at each end and condition

 

[Billybilly]

Has this engine got a cam sensor ?

Also I'd check your engine main earth strap integrity at each end and condition

Thanks ìll check tomorrow