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Fiat 500 1.2 starting
#1629131
30/01/2019 21:04
30/01/2019 21:04
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MeanRedSpider
Unregistered
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MeanRedSpider
Unregistered
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My 500 1.2 Lounge will fire/start and then stop before starting and running ok on the second attempt. I’ve noticed that the engine “hunts” slightly when left idling.
Feels like a fuelling issue. Anybody point me towards where best to start looking to save me messing about? I’ve not so much as lifted the bonnet yet.
I might also occasionally get a slight whiff of fuel around starting. A small fuel leak would possibly make sense.
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Re: Fiat 500 1.2 starting
[Re: ]
#1629142
30/01/2019 23:14
30/01/2019 23:14
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samsite999
Unregistered
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samsite999
Unregistered
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its a 1.2 fire Engine, same as you would find in a late panda (mk2), and a punto... stick it though fiat scan and see whats up. Im going to say vac leak, throttle body gasket, or temperature sensor.
To be fair, its a incredibly old engine, not a lot big goes wrong with them
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Re: Fiat 500 1.2 starting
[Re: ]
#1629145
31/01/2019 06:01
31/01/2019 06:01
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MeanRedSpider
Unregistered
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MeanRedSpider
Unregistered
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Re: Fiat 500 1.2 starting
[Re: ]
#1629149
31/01/2019 09:31
31/01/2019 09:31
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GrahamL
Unregistered
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GrahamL
Unregistered
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The Grande punto and early 500's had a common fault where the cam cover breather hose would crack and cause a vacuum leak + petrol smell. The crappy plastic hose was later replace with a silicone version which you can now buy as a spare part from Fiat dealer (or ebay, eg. # 130454615134 ). Think this was only on the 1.1, 1.2 and 1.4 8v engines.
Easy enough to check (though you might have to remove the airbox as the hose runs below it) and replace, so worth checking that first.
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Re: Fiat 500 1.2 starting
[Re: ]
#1629155
31/01/2019 15:15
31/01/2019 15:15
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MeanRedSpider
Unregistered
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MeanRedSpider
Unregistered
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Good pointer, Graham. It’s an 11 plate car
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Re: Fiat 500 1.2 starting
[Re: ]
#1629180
01/02/2019 14:38
01/02/2019 14:38
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MeanRedSpider
Unregistered
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MeanRedSpider
Unregistered
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The Grande punto and early 500's had a common fault where the cam cover breather hose would crack and cause a vacuum leak + petrol smell. The crappy plastic hose was later replace with a silicone version which you can now buy as a spare part from Fiat dealer (or ebay, eg. # 130454615134 ). Think this was only on the 1.1, 1.2 and 1.4 8v engines.
Easy enough to check (though you might have to remove the airbox as the hose runs below it) and replace, so worth checking that first. I had a quick look (too cold) and I think I have a silicon hose there. Gave it a wiggle and it didn’t cause any engine note change. I’m not 100% sure, but turning the ignition on and waiting a few seconds (a la diesel glow plugs) seems to result in a reliable start. In any case, it always starts fine second time and always fires first time but fades.
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