Technical Punto 1.2 active not starting

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Technical Punto 1.2 active not starting

Stefano1987

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Hi everyone, I’m new to this site and I see that it’s full of great information.
I have a mk2 fiat punto 8v (54reg) 2 door and I have come across an issue today. The car has been in the family since new and we have never had any major issues.
The passenger front window however had stopped working so I bought a second hand switch which has fixed the problem. Immediately after changing this however the car wouldn’t start!!
It has petrol and it tries to crank but nothing, I noticed that the petrol pump sound doesn’t come on all the time. I’m thinking it could be an electrical or even immobiliser issue. Please help me
Thank you
 
You gonna need to run diagnostic on it . Or at least check the fuse box for bad fuses.
Check for spark.
 
Hi everyone, I’m new to this site and I see that it’s full of great information.
I have a mk2 fiat punto 8v (54reg) 2 door and I have come across an issue today. The car has been in the family since new and we have never had any major issues.
The passenger front window however had stopped working so I bought a second hand switch which has fixed the problem. Immediately after changing this however the car wouldn’t start!!
It has petrol and it tries to crank but nothing, I noticed that the petrol pump sound doesn’t come on all the time. I’m thinking it could be an electrical or even immobiliser issue. Please help me
Thank you

The immobiliser yellow padlock light comes on after you turn the ignition key on. Goes out a few seconds later if no fault. If the light goes out then you dont have an immboliser problem.

I think the petrol pump earth wire begins at the same earth wire block shared by many important components and that could be the problem area.

Check the earth block with many wires just forward and below the battery. It is half way along and connected to the large gearbox earth cable
 
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