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Old 12-07-2017   #1
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The ghost from its past! My bravo has a persistent problem.. please help

Holla from Sydney!
I have a fiat bravo 2007 1.4 Tjet
I'm reviving an old thread as at that time many people told me that the battery was the root cause of this issue. However, I got my battery changed 2 days back and the problems are still persistent.

The 2 problems with my car are: 1) Car starts fine, after running it for a while, I turn off the car and then try to turn on, it fails. There is an immobilizer icon that comes up. I tried both my keys at this point. No help 2) When the car starts initially, everything works. The cruse control, hill climb feature and also the rpm and speedo. However, once the car engine temperature reaches its optimal temperatures(The pointer points at the middle of the temperature gauge) things get weird. The cruise control wont work. The rpm and speedo keep going off and coming back on. I noticed that sudden breaks or acceleration gets it back to life. However, only temporarily.

Please help me as to what do I do. 2 video Links below>
And
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Old 12-07-2017   #2
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Re: The ghost from its past! My bravo has a persistent problem.. please help

It looks like some loose connector, or something like that.
First check that battery clamps fit tight.
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Old 13-07-2017   #3
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Quote Originally Posted by MikeG20 View Post
It looks like some loose connector, or something like that.
First check that battery clamps fit tight.
But the thing is.. this problem doesn't start immediately. It starts to happen aft t like 15mins of drive time. The first thing that gives up is the ASR light. It turns on and hill holder sign are permanently on. And after like 4 more mins the thing that happen like shown in the video.. I have attached a picture of the battery clamps.. please tell me what to look at in particular?

Thanks in advance
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Old 13-07-2017   #4
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Here is the picture
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Old 13-07-2017   #5
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Re: The ghost from its past! My bravo has a persistent problem.. please help

It is hard to repair car trough forum. I could be anything. Once i had Fiat that sometimes would start, sometimes not. No errors on diagnostic, no immobilizer light, new battery, repaired starter. Problem was in one pin on ignition amplifier module(hidden behind intake manifold) that was pulled out from connector for maybe 1mm. Two days was car in workshop
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Old 08-08-2017   #6
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Re: The ghost from its past! My bravo has a persistent problem.. please help

I had the same 2 problem recently.
Car wouldn't start intermittently with the immobilizer led up. It's able to start when steps on the brakes during cranking.

As for dashboard problems, same after I replaced new battery and some how worse as it became more frequent. Problem seems solved after replacing F35 fuse. There was some burnt marks on its contact. Suspect fuse having contact issue when heated up.

So far my car running fine for the past 2 weeks...
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Old 11-08-2017   #7
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Re: The ghost from its past! My bravo has a persistent problem.. please help

Quote Originally Posted by MikeG20 View Post
It is hard to repair car trough forum. I could be anything. Once i had Fiat that sometimes would start, sometimes not. No errors on diagnostic, no immobilizer light, new battery, repaired starter. Problem was in one pin on ignition amplifier module(hidden behind intake manifold) that was pulled out from connector for maybe 1mm. Two days was car in workshop
what car?
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Old 12-08-2017   #8
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Fiat Marea 1.8 16V
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Old 12-08-2017   #9
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Re: The ghost from its past! My bravo has a persistent problem.. please help

Quote Originally Posted by MikeG20 View Post
Fiat Marea 1.8 16V
i got fiat marea 1.6 with the same problem, sometimes starts and doesnt, also turns off in the middle of driving randomly, previous owner changed all sensors fuel pump... and gave up

with ignition modifier, you mean engine ecu?, what pin, any pic?
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Old 13-08-2017   #10
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Plug pins on ignition amplifier module. 1.6 doesnt have ignition amplifier, on 1.6 ecu rare problems were in pins that are on ECU plug, they "unsolder" from mainboard, and doesn have connection with plug on cable that goes in ECU. That problems sometimes were on 1.6 16v ecu in Stilo
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Old 13-08-2017   #11
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Re: The ghost from its past! My bravo has a persistent problem.. please help

Quote Originally Posted by MikeG20 View Post
Plug pins on ignition amplifier module. 1.6 doesnt have ignition amplifier, on 1.6 ecu rare problems were in pins that are on ECU plug, they "unsolder" from mainboard, and doesn have connection with plug on cable that goes in ECU. That problems sometimes were on 1.6 16v ecu in Stilo
forgot to say that ecu was checked and they found nothing wrong with it
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Old 14-08-2017   #12
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Re: The ghost from its past! My bravo has a persistent problem.. please help

Hm, that is strange.
You wil have to check then wire by wire, maybe insolation on some cable is damaged and touch gorund (any metal part of engine bay), maybe mouse or other rodent chewed some wire etc etc.
Check twice cable and connector of crankshaft position sensor
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