Inherited an abandoned 2008 Outback, 252,000 miles. Don’t know what exactly was wrong except engine problems and it was towed home when the engine quit and sat ever after. It drove onto the trailer and drove off. I changed oil (synthetic) and test drove it about three miles when the engine lost power and started bucking severely - car jumping up and down trying to hold 20 mph from 35 - and then it died on the road and wouldn’t start again. There was no rattle or abnormal engine noise. A year later when I am ready to work on it, I charged the battery, started it, and the engine rattles like a rod bearing is shot or a lifter is collapsed. Oil is still clean.
Can a rod bearing go south that fast with no hard turns, taking it easy on a level road?
Also, I noticed a Check engine light, code P0113 which has absolutely nothing to do with the engine mechanical condition. How do I diagnose this fault between a bad mass air flow sensor, bad wiring (it all looks good), or a bad temperature sensor (high output)?
Also, does Subaru publish a factory service manual with wiring diagrams for the 2008 Outback?
I found an online service manual for $9.95, excellent buy.
The engine is shot, apparently the oil got low, they took a curve or whatever at high speed, pump sucked air, and all the crank bearings are galled and #1 rod bearing failed completely, #1 piston hit the cylinder head and broke off part of the upper ring land. I think the head is still good on that side, noticed a bit of galling on one cam journal, rest still looks good, left side head looks ok as well, so now I have some parts to sell. The parts cost to rebuild is looking very close to $2,200 cost of JDM engine.