2001 subaru outback loses power - Page 2 - Subaru Outback - Subaru Outback Forums
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post #11 of 23 (permalink) Old 01-26-2009, 10:08 AM
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possible but you'd have to be monitoring the pressure when it loses power.

i was thinking clogged fuel filter, i've seen this exact thing where it loses power then when you shut it down the crap falls away from the filter media and lets fuel through. the dropping it in first and returning power after a few seconds kind led me away from that though.

i'm thinking electrical or sensor, just wondering why it isn't coding.

tune up to start would help eliminate a lot of possibilities.
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post #12 of 23 (permalink) Old 01-26-2009, 11:45 AM
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yes standard answer for this kind of thing is a full tuneup to start with, air filter, pcv valve, plugs, wires, fuel filter.

You can try disconnecting the knock sensor to see if that is doing something screwy.

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post #13 of 23 (permalink) Old 01-26-2009, 01:26 PM
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A chunk of scale blocking the exhaust?
Falls back down when the engine is shut off and restarted?

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post #14 of 23 (permalink) Old 01-26-2009, 01:27 PM
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A chunk of scale blocking the exhaust?
Falls back down when the engine is shut off and restarted?
A vacume gauge would show that.....


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post #15 of 23 (permalink) Old 01-26-2009, 02:37 PM
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Bad O2 sensor??? Engine starts in "open loop" goes to closed loop after a couple of minutes. High rpm/hard accell puts pcm in open loop. I both cases above the 02 sensor is being ignored which is when you say there is no problem. Strange its not coding though. I'm assuming there is no CEL/MIL
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post #16 of 23 (permalink) Old 01-27-2009, 11:13 PM Thread Starter
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So now the car is much worse wont go more than a couple of feet before loosing power, and the engine now vibrating more, and there is a burning smell under the hood, almost like the small a slipping clutch would give off, i feel like this care is in intensive care and getting worse.So now it is not being driven...
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post #17 of 23 (permalink) Old 01-27-2009, 11:20 PM
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Timing belt?


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post #18 of 23 (permalink) Old 01-28-2009, 12:37 AM
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i have no idea, the erratic nature of the problem and lack of any codes has me stumped.

timing belt could account for lack of power and smell but should never have been temporarily "fixed" by restarting the car.

a clogged exhaust might account for the dying thing.

not sure how mechanically inclined the owner is, if he's up for it we can suggest some methods of eliminating some of these possibilities.

if not, time for the mechanic to start investigating.

have to look in the manual, do our cars have that exhaust valve thing [the valve in the exhaust, not the exhaust valve] that closes at low rpms to increase torque ? if so maybe that's stuck.

could it be a binding trans or diff that's limiting the engines ability to transfer power to the wheels ? bad torque converter or trans pump issue ?

does the car rev freely in park and or neutral ?
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post #19 of 23 (permalink) Old 01-18-2011, 08:54 AM
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Originally Posted by alan macleod View Post
my 2001 subaru outback loses power while driving. When this happens, I have to put the car in neutral and restart it while driving. This solves the problem for a little while. This problem is getting progressively worse and happens multiple times while I drive. My subaru mechanic could not detect a problem on the computer sensor and it did not register any problems. Any thoughts would be appreciated.
Was this issue ever resolved? We are having the exact same problem with our 2002 Outback?
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post #20 of 23 (permalink) Old 01-18-2011, 10:09 AM
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Was this issue ever resolved? We are having the exact same problem with our 2002 Outback?
4cyl or 6 cyl?

Answers to all the questions asked above would be a good start.

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