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Old 05-06-2017   #1
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Question Croma computer troubles?

My 2005 fiat croma 2.2 seems to be having computer troubles.

First, the ignition lock started acting up, the key wouldn't turn in the lock. Removing and reinserting the key solved the problem, but the amount of times the key had to be reinserted seemed to increase, so I decided to leave the spare key in the lock. This seemed to solve the problem.
When I started the car this afternoon,, the problem got a lot more serious. The indicator for the hand brake is on while the handbrake is off and both the abs and engine management lights are lit. Another light, a triangle with a anti-clockwise arrow around it is also lit. And most importantly, the speedometer doesn't work and the fuel injection seems to be off (the car idles at 1000 - 1100 instead of 900 rpm). Furthermore, the trip meter of the board computer doesn't indicate any values for fuel economy, avg speed etc.

Can anyone tell me what the problem might be?

Thanks
Floyd
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Old 05-06-2017   #2
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Re: Croma computer troubles?

Hi,
First thing to check is the battery and all it's connections. Other than that it sounds like a CAN issue. Do you have any diagnotic software like Multiecuscan?

Robert G8RPI.
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Old 05-06-2017   #3
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Re: Croma computer troubles?

Thanks for the response!
I'll check the battery and connections first.
I hope that will solve the problem, a CAN issue sounds expensive.
I don't have any diagnostic equipment, so if I can't find a fault with any of the battery connections, I'll let the garage make a readout of the computer, the car is scheduled for an MOT inspection this week anyway.
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