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Hi every one.

I have a 4.4 v8 petrol, every time i start the car after 6hours, i get trans fail safe, engine fail safe, abs inactive suspension inactive dcs inactive.
also the P for parking keeps going off and on with the rpm indicator at the same time.

i have replaced the battery and the alternator, so to rule out low voltage.

please have a look at the link and you can get a better idea, on whats going on.

many thanks in advance for the help.

https://youtu.be/M5ViVoAq8uI
 

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I would not rule out a voltage problem just because you have a new battery. Just because you have 12 volts at your battery terminals, doesn't mean that every component is getting that - you may have a weak ground/earth connection somewhere or a partial/intermittent short that can drop your voltage.
 

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Would follow the hot wire to the back of the engine and check that coupler where it leads to the alternator... It goes all the way around the engine bay and can short in many locations. On my 2004 had a similar issue plus occasional no crank for start. For me coupler was corroded, removed cleaned refit no more issues. hope that helps.
 
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