Technical Punto 55, choke ?

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Technical Punto 55, choke ?

Bruce

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Hi Guys, 1996 Punto55, starts runs great but no fast idle from cold, it is enrichening the mixture OK, i need to hold revs on for a couple of minutes till it warms up, what part of throttle body is responsible for increasing the revs whilst cold, a nice clear pdf would be nice.
regards Bruce.
 

dave

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its controled by the ecu, it takes readings off of air and coolent tempature sensors, so you probably got a nackered air tempature sensor
 
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Bruce

Bruce

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(y) Yeah, thanks Dave, i know it's all controlled by the ECU but somehow more air is drawn in, previous models had a stepper motor which you could see moving, i think i found it anyway, looks like a solenoid with 4 terminals on it, inside plunger moves up and down on threaded shaft, i'll clean it up and see.

Hey, what's with the rabbits ?
 

alfa_v6

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Could quite possibly be the stepper motor, very common fault. but generally a defectice stepper motor will cause more serious problems such as cutting out randomly and not starting whatever the engine temp.
 
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Bruce

Bruce

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Thanks guys, Hey Dave, are you saving the best pic till last ....... 'pie binki' lol:D
 

dave

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Bruce said:
Thanks guys, Hey Dave, are you saving the best pic till last ....... 'pie binki' lol:D
people have been banned for says that before:eek: will let you off as your new, binki is the forum mascot
 
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Bruce

Bruce

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:confused: Err Ok Dave, whatever you say, Binki rules and err ....... Binki is top rabbit :confused: .......... da de da ............. and he's a great looking rabbit :rolleyes: ............... da de da .......... his fur is so warm......... and snuggly .......and errr ....... "OK BINKI IS THE MAN" !!! ................................................................................................................................................................. jeez ! :chin: hows that then? rabbit/Fiat ....... Fiat/rabbit :chin: .... mmmmm ........err ....rabbit/Fiat ....Fiat/rabbit......... awww shucks i give in:bang:
 
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