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Old 22-01-2014   #76
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Re: Panda 0.9 Start Stop niggles

Quote Originally Posted by deeyup View Post
great, hopefully they'll give a definitive answer to this problem.

No fault found, even though it did it on the way to the dealers. Hadn't logged any faults on the diagnostic. Told to monitor it and if it happens again bring it back in.

It needs sorting as it often causes problems at traffic lights, you can see the frustration in the people behind me as I'm sat while the light is green.
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Old 22-01-2014   #77
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Re: Panda 0.9 Start Stop niggles

Quote Originally Posted by Demic View Post
No fault found, even though it did it on the way to the dealers. Hadn't logged any faults on the diagnostic. Told to monitor it and if it happens again bring it back in.

It needs sorting as it often causes problems at traffic lights, you can see the frustration in the people behind me as I'm sat while the light is green.
That doesn't surprise me. The car thinks there is no fault so doesn't store a code.

This is what I think is happening.
The car stops and you take the car out of gear, and release the clutch pedal.
the car is set for a stop engine (voltages etc all being good) scenario so stops the engine.

To restart the car all that is needed is the clutch pedal pushing. This should be the only requirement, however the car is not satisfied with that. For some unknown reason the car thinks it's not being instructed to start with the clutch pedal.
Now I've eliminated the clutch pedal switch by testing it whilst these stop start failures are occurring.
The way to check is to put the car in 1st whilst you are stopped, then without any throttle release the clutch slowly, when the clutch pedal switch activates the revs will rise to around 1300, hence switch working.
So it's not the switch.

Another scenario that would force the car to restart after a stop would be to roll away out of gear and clutch up. Once you reach around 3mph the car should start. This doesn't happen when the car is playing up.

File a case with fiat customer services and then at least there are more cars exhibiting the same fault that they are aware of. Give them my reg CE13 DNO and let them now we have the same fault and that i have an on going case too.

There was a similar situation with my Vespa. It would occasionally cut out for 2 seconds, usually as you were overtaking an hgv on the motorway.
Vespa were denying any faults for nigh on a year. Only a few scooters were showing the fault, but we all got together, reported to Vosa and badgered Vespa into action. They have now taken it seriously and sorted it with an ecu update.

As said before, my car is in for around 10 days in Feb for the dealer to have all the time they need. They said they can connect a computer to the car whilst out on road test which should give us some clues.
I hope they have a real answer for us.
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