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Subaru B9 Tribeca: Problems & Solutions

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  • We have a 2006 B9 Tribeca less than one year and 5000 miles. This coming week will be the third trip to the dealer to have the computer reset for the same problem. They say is is due to not turning the gas cap several revolutions at each fillup. I am the only one filling my wife;s car and I spin the cap several times. This problem has become unacceptable due to the loss of cruise during a long trip. We take our 95 Jag which has no problems.
  • kmartinkmartin Posts: 427
    Not to double-post (again) but I installed one of these myself and posted my generic installation instructions on the Subaru B9 Tribeca (B9X) forum. I probably should have posted it here...

    Hope others will try this...it wasn't too difficult, and I am pleased with it so far :-)

    -Karen in AZ-
  • occkingoccking Posts: 346
    I haved had my demo now for 9 weeks, and have put on almost 6000 miles. For the most part quite pleased with the vehicle, but it gives such a "rough" ride. By wifes 10 year old van and by 99 Dakota p/u give a much smoother, quieter ride. Just a lot of noises and "jarrring ride" over any inperfections in the road. On a perfectly smooth surface it is fine.

    Seems to me I read something about noisy "struts"? Anyone else out there have similar complaints. When I next bring the vehicle in for service they will take a look at it for me. I know I cannot complain about the ride of the car if this is normal, but I guess the best way I can describe this is old fashioned term, like "Lunber Wagon"

    I have posted this before, but thought I would give an update. Per trip computer for all my mileage it shows 22.2. Obviously, with all the mileage I put on a lot of highway driving. When I have a chance I will add up all the gas I have put in to get a true figure. I would estimate that to be between 21 and 21.5 actual. The computers always inflate actual mileage.

    I have been jumping around between regular & high test and have not noticed any difference either in performance or gas mileage for whatever grade of gas I put in the tank.
  • tupintupin Posts: 71
    Not turning the gas cap should cause the check engine light....not all of what you have experienced. Something else is going on I'm afraid.
  • kmartinkmartin Posts: 427
    Glad you like your car!

    You mentioned rough ride and higher than normal MPG...just a thought, but have you checked your tire pressure personally? Often times service places just assume it's 35 psi (or check them when hot, which would be even higher), when it's actually a 33 front/32 back (cold) for the Tribeca. When I first test drove mine at the dealer, I noticed a very rough ride. When I returned from the drive, I made them check it, and it was over 40. I had them let some out, and the did another test drive, and it made a world of difference in the ride.

    I have also detected about one mpg difference between mid-grade and premium over long stretches of time (about 3-4 weeks each test). Regular gas made mine ping some, esp. in hot weather.

    The noises you may be refering to have been found in the sway bar bushings in some folks' cars. I had mine checked out , but they are supposedly OK. Still, I hear similar noises when backing out of my driveway.

    Hope this helps...

    -Karen in AZ-
  • I can't figure out why my mpg is so much lower than everyone else seems to be getting. With a mix of city/highway drriving, I was averaging only 19 mpg. This month I'm just driving around town as I'm on break (I'm a teacher) and my mpg had dropped to a very pathetic 12. I don't think I have a lead foot, and I've been keeing the touch screen on info where it shows my mpg as I accelerate. I try to accelerate slowly, so as to keep the mpg above 20. Is it the gas? In CA our premium fuel is 91 octane. I heard it's higher in other states. Would that make a difference? It is very annoying to have to refuel so often, not to mention the cost.
  • occkingoccking Posts: 346
    I have been checking tire pressure every week (I have a slow leak in one tire & the darn light keeps coming on once a week or so) Keeping them exactly 32 and 33 lbs as you suggested. Just a rough ride, lots of noise from suspension front & back. Interesting comments on gas mileage -- I haven't really noticed any difference in gas mileage or performance no matter what octane I use.
  • ddevanddevan Posts: 1
    I had the same reacurring problem starting at about 1000 miles. I thought it was a loose gas cap, rainy weather, fueling with the engine running. Computer dianostics lent the dealer to beleive it was the oxygen sensor. My dealer replaced the "rear oxygen sensor" under warranty and have not had any probems. I am now at 6500 miles.
  • PFFlyer@EdmundsPFFlyer@Edmunds Pennsylvania Furnace, PAPosts: 5,808
    Please check the discussion list here in the Subaru B9 Tribeca Group to find the appropriate problems topic for the particular problem you're dealing with.

    PFFlyer@Edmunds

    Moderator - Hatchbacks & Hybrid Vehicles

This discussion has been closed.