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Discussion Starter #1
hi there my dad has an 02 outback limited 2.5 liter, he was driving to work and it just died and won’t fully turnover now. He has checked the grounds , replaced the plugs wires, coil packs and he’s checked the fuel pump any idea what could be the cause of it not turning over
 

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He has checked the grounds , replaced the plugs wires, coil packs and he’s checked the fuel pump
The fuel pump in that generation is a known issue. (Actually, the problem is a cracked cap on a chamber in the fuel pump assembly, and an o-ring that slips out, allowing fuel to be dumped back into the tank.) The pump will run, but not deliver adequate pressure to the engine area. Did your dad check the fuel pressure?

Another possibility of a sudden stop like that is a failed timing belt. What's the service record on the belt?
 

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Discussion Starter #5
He said he checked the fuel pump and it was working and he just installed a new timing belt in November
 

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Fuel pressure needs to be checked even if the fuel pump is running.

Were there any strange noises that happened when the engine died or did it just.. shut off?

Your OP states the engine "wont fully turn over" but later you state the "engine cranks fine." Could you clarify for us which it is please?

Three 10mm bolts hold the timing belt inspection cover on the left side of the engine. Maybe pull that cover and have a look at the belt. I can't think of a way to see if the belt is still timed correctly but by using the notches on the pulley of the left head you can deduce what cylinder is at TDC and double check that it is in fact at top dead center.
 
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