Fiat Uno starting | Technical matters | Back Room Forum

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Fri 20 Apr 2007 15:57

Fiat Uno starting - Agemo

Hi!
Would appreciate an opinion on this.
1994 Fiat Uno 1.1ieS
Intermittent fault. Sometimes engine will not start after being run and then standing for a while. Leave for another ten minutes and it starts.
Ocassionally revs drop when idling then it cuts out.
Can run for several days and fault doesn't show.
New petrol pump one year ago.
Recent new distributor cap (electronic ignition).
Just put a new coil on.

Any ideas appreciated!

Ag

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Fri 20 Apr 2007 17:10

Fiat Uno starting - bell boy

fiats eunochs on this year had ignition switch problems
check this out bruv

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Fri 20 Apr 2007 17:49

Fiat Uno starting - Agemo

Yo man, but it cuts out when idling also!

Ag

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Fri 20 Apr 2007 18:22

Fiat Uno starting - injection doc

Coolant sensor a common fault making it too rich to start hot, the stalling if yours has a distributor which I belive it does, (some have coil packs) may have a diaphram failed in the dizzy. when its idling take the small black vacum pipe of the vacum advance unit & if the revs don't change you can bet its failed. You can buy the vacum unit from fiat seperatley about £25. Bit of a fiddle to fit,

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Fri 20 Apr 2007 18:36

Fiat Uno starting - injection doc

Come to think about it I remember now that the electronic ignition can be suspect on these as the wiring deteriorates between the eye & the module. Best bet is next time it doesn't start check for a spark & if no spark fit replacement Dizzy
Hope this helps

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Fri 20 Apr 2007 21:27

Fiat Uno starting - Agemo

Thanks doc!
Will try.

Ag

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