rpeterse Posted July 24, 2009 Share Posted July 24, 2009 My 2001 Outback Wagon has been experiencing incresing power loss. At any speed the power simply gives out. Getting from point A to point B is a very jerky experience. The car also stalls at stop signs. Two days ago a mechanic replaced the Knock Sensor. His computer showed that it was fried. The car got home without any problems. However, today it was worse than its ever been. Any thoughts?? I'm getting desperate. Quote Link to comment Share on other sites More sharing options...
nipper Posted July 24, 2009 Share Posted July 24, 2009 mileage? auto or manual? recent work that was done? nipper Quote Link to comment Share on other sites More sharing options...
ModemJunki Posted July 24, 2009 Share Posted July 24, 2009 Bad coil? Broken spark plug insulator? Does it misfire? Quote Link to comment Share on other sites More sharing options...
rpeterse Posted July 24, 2009 Author Share Posted July 24, 2009 The car has 118k and it's an automatic. Sorry that I left out those details. A new knock sensor was installed two days ago. Quote Link to comment Share on other sites More sharing options...
davebugs Posted July 24, 2009 Share Posted July 24, 2009 Wires, plugs, coil pack ever replaced? And if so with what brands of stuff? Assume regular maintenance (air and fuel filters). How long have you had the car (to help establish the maintenance that's been done). The timing belt was recently due - was it done? And if so what else was done? Quote Link to comment Share on other sites More sharing options...
nipper Posted July 24, 2009 Share Posted July 24, 2009 Wires, plugs, coil pack ever replaced? And if so with what brands of stuff? Assume regular maintenance (air and fuel filters). How long have you had the car (to help establish the maintenance that's been done). The timing belt was recently due - was it done? And if so what else was done? What he said. Quote Link to comment Share on other sites More sharing options...
bheinen74 Posted July 24, 2009 Share Posted July 24, 2009 My 2001 Outback Wagon has been experiencing incresing power loss. At any speed the power simply gives out. Getting from point A to point B is a very jerky experience. The car also stalls at stop signs. Two days ago a mechanic replaced the Knock Sensor. His computer showed that it was fried. The car got home without any problems. However, today it was worse than its ever been. Any thoughts?? I'm getting desperate. Did you put in a OEM subaru knock sensor? Or cheap autozone type replacement? Was it installed with the 15-16 ft lbs? Quote Link to comment Share on other sites More sharing options...
unibrook Posted July 24, 2009 Share Posted July 24, 2009 ok, ok, I'll pile on...don't want to miss all the fun! Front 02 sensor ever been replaced? In the last 40k miles? Any CEL codes being thrown yet? What are they? Quote Link to comment Share on other sites More sharing options...
bheinen74 Posted July 24, 2009 Share Posted July 24, 2009 alternator or battery need to be considered too. Quote Link to comment Share on other sites More sharing options...
Olnick Posted July 24, 2009 Share Posted July 24, 2009 Overwhelmed yet, rpeterse? j/k--these are all excellent questions and suggestions. Please feel free to ask questions. Good luck. Quote Link to comment Share on other sites More sharing options...
Rooster2 Posted July 24, 2009 Share Posted July 24, 2009 My 2001 Outback Wagon has been experiencing incresing power loss. At any speed the power simply gives out. Getting from point A to point B is a very jerky experience. The car also stalls at stop signs. Two days ago a mechanic replaced the Knock Sensor. His computer showed that it was fried. The car got home without any problems. However, today it was worse than its ever been. Any thoughts?? I'm getting desperate. Car got home just fine, then worse than ever.........Suggest going back to the same mechanic, tell him that the problem has returned. Ask to have the codes pulled again to see what they say. Maybe the replacement knock sensor isn't any good? Pulling the codes should tell you what needs to get fixed. Quote Link to comment Share on other sites More sharing options...
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