Technical Fiat Punto Evo 1.4 randomly stalls while driving slow cold start

[Nelis30]

Hi everyone,

I have a Fiat Punto Evo 1.4 petrol 2010 with an annoying issue I can’t quite figure out. Maybe someone here has experienced something similar.

Problem description:

• The car has a slow start when cold (long cranking).
• Once the engine is warm, it starts instantly.
• While driving, the engine sometimes suddenly stalls.
• Turning the ignition off and on again allows it to start right away.
• When idling, the engine runs smoothly (Engine does not stall), even when warm.

I plan to use an OBD2 scanner to read live data and fault codes while driving. Has anyone seen similar symptoms?

Any help or advice would be greatly appreciated!

 

[GrandePunto PL]

So far, I've experienced lots of people, who cannot specify what/which "1,4" they own.
That gives away your level of knowledge (and how "much" you care about the car, engine etc.)...
That's a first guess: lack of maintenance (especially if it's 8V unit, typically there is stalling issue - valve clearance?).
Or simple failure (one or two sensors like MAP/temperature, crank sensor or power delivery - weak "ground/earth").

 

[Zardo]

It‘s petrol, so this narrows it down from five to only three 1.4 l engines
LPG
Natural power
8 V
multiair
multiair turbo

if it‘s multiair, could be a specific multiair problem (especially if it goes away when the engine is warm)