rdp2n Posted December 28, 2014 Share Posted December 28, 2014 I have just spent a month's worth of spare time replacing the headgaskets and timing belt on my sister-in-law's 2008 Subaru Outback (95K).Along the way I replaced spark plugs, wires, all timing gear bearings (and both front axles & brakes for good measure).I took my time, was careful, and was confident that the timing gear was installed properly.Today, I recharged the battery, and reconnected everything, put in 4 quarts of penzzoil 5/30, over a gallon of subaru coolant diluted 1:1I turned the key and the car started first time. Sounded fine at first. However, the check engine (CE) light was on and the engine speedwent up and down gently -- seemed to be "hunting". Then I went to the front of the car and as the engine warmed up (<2 minutes) smokeemanated from the driver's side exhaust area. Turned the engine off. Looked underneath and could see nothing untoward.Restarted the engine after 30 minutes and repeat performance ensued. Put in a bit more coolant along the way. At no time did the engine warm up properly.Attempted to restart after another 30 minutes -- but this time, the engine coughed and died at startup. Now I have a no-start situation.CE light on throughout. (Maybe I missed a sensor connection (?) -- or something silly -- but I was slow and careful -- don't see where ...) I just accessed the DTC codes -- and I get a code of "P0198" with a description of "Oil Temperature Sensor Circuit Malfunction High" (would this be referring to engine oil or transmission oil?) Can anyone suggest how I should proceed from here?Thanks,Rob Quote Link to comment Share on other sites More sharing options...
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