Technical Weird problem that Fiat does not discover - km

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Technical Weird problem that Fiat does not discover - km

btteiro

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nothing... until now, my Stilo Abarth is in FIAT mechanics for three weeks and they still do not know what is ..

what happens is that they have discovered a system failure that happens more when the car suffers some sort of bump , tight curve , hole, etc ... and whenever this happens the MILO METER immediately increases 5 miles ie... :

1. Normal moving car
2. bump in the road and flash of the electric system (milliseconds ). panel and all hands go down , car lights go down well , but the radio keeps on.
3. the MILO METER immediately increases abaout 5 miles ( eg going from 93000 to 93005 )
4. Normal car continues in progress Can anyone try to help ? Fiat do not know : /
 
Assuming it is not the body computer then it could be the sender for the speedo. A bump could make it send many pulses at once. I could be wrong but advice is to connect to MES and run a graph of the speed output and try and provoke error. A spike in the graph would indicate this.
 
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