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Subaru Crew Problems & Solutions

18207 messages,  Last post on Jul 04, 2009 at 9:05 PM

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What is this discussion about? Subaru Impreza, Subaru Outback, Subaru Forester, Subaru Legacy, Coupe, Sedan, Wagon, SUV

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#18198 of 18207 Re: ECU question [sangerboy] by saedave Jul 02, 2009 (2:10 pm)
Replying to: sangerboy (Jul 02, 2009 8:12 am) All is good, shooting for 300K miles next.   But something probably blew the fuse. I would certainly carry a spare. Does the fuel pump have a separate concatenated fuse in addition to the one that blew?   Are there any signs of frayed insulation on wires that are near metal?   While a fuse can fail on its own, it is quite unusual.
#18199 of 18207 Misfire [girlcarbuilder] by phil2000 Jul 03, 2009 (9:48 pm)
Replying to: girlcarbuilder (Jun 29, 2009 5:06 pm) Behind the cranksprocket is something that looks like a bicycle gear plate. What is it? Mine was showing some wear on it. The points were shinny. Replies to this message: girlcarbuilder (Jul 04, 2009 5:52 am) phil2000 (Jul 04, 2009 7:08 pm) girlcarbuilder (Jul 04, 2009 7:43 pm) and 1 more... girlcarbuilder (Jul 04, 2009 7:49 pm)
#18200 of 18207 Re: Misfire [phil2000] by girlcarbuilder Jul 04, 2009 (5:52 am)
Replying to: phil2000 (Jul 03, 2009 9:48 pm) Coffee has not set in yet.....but I recall yours being new enough to be an OBD unit. You are looking at the beginnings of the signal generation for everything from ignition spark, fuel injection, air mixture control and so on. Look right above that and you will see the crankshaft sensor that picks up the magnetism from those points to make that signal.   There is also another sensor on one or both of the camshafts. Be careful around them. They not cheap, $50 and up to priceless depending on year make and model. Priceless meaning if one can be found! Replies to this message: phil2000 (Jul 04, 2009 7:08 pm) girlcarbuilder (Jul 04, 2009 7:43 pm) phil2000 (Jul 04, 2009 9:05 pm) girlcarbuilder (Jul 04, 2009 7:49 pm)
#18201 of 18207 Re: ECU question [sangerboy] by girlcarbuilder Jul 04, 2009 (6:08 am)
Replying to: sangerboy (Jul 02, 2009 8:12 am) My compliments on your electrical tracing abilities. Getting into that fuse block requires a lot of care. Must be nice to keep that $700 in your pocket as well! I assume the SBF-2 to be some kind of terminal strip everything attaches to.    Reminds me of an old tv I worked on years ago. Hard headed back then. Learned a lot as well. Screen kept going red every so often. Had the problem down to one circuit, but could not isolate the component. Must have spent 120 hours looking for it. Finally ripped the entire circuit putting in new parts one by one. Pulled one power resistor. On the back side, there it was, a small crack in the housing causing that thing to open up when it got hot enough. These "now you see it, now you don't's" will drive any good tech nuts. But a lot of good ole sleuthing over time and a few cold ones will always crack the case. Then again, I learned to finally trash a few sets back then! It just comes to a point of no return. Guess I turned to cars at that point where you can rip out the entire assembly and let someone else deal with it! Thank you A1 Cardone!   Next tip for any one else following this post, mark your info that there is a failure possibility in that fuse panel. Will make your life easier when you see this come up!   Getting ready to drop a lot of $$$$ on a new Toyota. Guess it is time to pay up after the last one, still here at almost 24 years. Something about parts availabilty!   Happy 4th!
#18202 of 18207 Good bang for the buck by mikesdelsol Jul 04, 2009 (12:29 pm)
Just got a 2006 Impreza 2.5i. Manual tranny. Just lookin for some non bank breaking upgrades, any Ideas? Replies to this message: girlcarbuilder (Jul 04, 2009 5:40 pm)
#18203 of 18207 Re: Good bang for the buck [mikesdelsol] by girlcarbuilder Jul 04, 2009 (5:40 pm)
Replying to: mikesdelsol (Jul 04, 2009 12:29 pm) Yup, don't mess with her! Let me explain. The engines in these girls can put out a high rpm very quickly! But the cost is too high when things go breaking, like a flying clutch disc from racing.   I am aware of one guy blowing a tranny. Had to get a new one from the dealer. If $ 4-5K is not a bank break for you, have fun! If it is, behave.   All the Japanese girls I have dealt with during the years can give you grief right back if you give them too much hell. So I go easy on mine, until I really need her.   Recently, while on LSU campus doing the speed limit, we got hit by a guy. Road rage. He ran in a late model GMC, we got most of the license plate. He had almost a whole block head start on me, when I realized he was not going to a parking lot to exchange info. At 240K, a 2.2 liter woke up and gave him hell to get those digits. He had to really get too dangerous crazy for me to break pursuit after 5 city blocks. I was not going to be the cause another accident, so we ceased. I doubt he will ever pick on another Subaru after that!   JUnk yard sheet metal, grille and headlamps went for $100, bumper for another $40. still need a little paint. I doubt he will get by that cheap either when his gets fixed paying for late model parts, not to mention if they catch him, he has a felony charge to face.   Why do I tell you this. Most traffic does not really need for you to get crazy. if you do, it will cost you somehow. A wise person uses the power they have carefully and knows when to use it. As for these American truck drivers who think they own the road, they better think again. One hard side hit into them with a 3000 pound car in a t bone, they are going to get rolled! See it everytime!   Oh, if you have been reading, those of us who do behave are pushing way up to 300K so far in this forum. One trick is to keep those rpm's low!
#18204 of 18207 Re: Misfire [girlcarbuilder] by phil2000 Jul 04, 2009 (7:08 pm)
Replying to: girlcarbuilder (Jul 04, 2009 5:52 am) I am beginning to think that is where my problem maybe. When I reset the timing belt (off on tooth), I notice that it had shinny end that was evidence that it was rubbing something(I think the belt tensioner with the piston). If it is worn down enough, the crankshaft sensor may not be picking up change in mag field under certain circumstances.   Can I lower the sensor? I will check with Subaru for a replacement. Replies to this message: girlcarbuilder (Jul 04, 2009 7:43 pm) phil2000 (Jul 04, 2009 9:05 pm) girlcarbuilder (Jul 04, 2009 7:49 pm)
#18205 of 18207 Re: Misfire [phil2000] by girlcarbuilder Jul 04, 2009 (7:43 pm)
Replying to: phil2000 (Jul 04, 2009 7:08 pm) No. Leave the sensor as mounted. It is possible that the magnet may have lost some magnetism after lots of high mileage/heat, but no one has had that problem yet on any of these units. It has happen though on other models/brands. Not sure at this time what kind of problem we are dealing with? Misfire? Not likely from this part of the system. But like I always say, after 200K anything goes and this is where the pros get separated from the real pros. Some weird stuff happens also! Is the fit of the crank gear tight on the crankshaft?   If you are still questioning signal pickup here, get a scope if you know how to use one and check it for signal.   Timing off a tooth, on a crank, on cam? late or early? Not going to cause a misfire with that. Just like the old carb systems, you will see the problems in lack of performance. It will either run, lousy or not at all. Assuming no valves dancing on piston tops! One tooth will not do that.... usually.   Shiny spot on tooth, it has too be clear that it has been hitting something? If so, it would have marks on it, what? Most dealers are totally lost before 200K in service. rare they see units with that kind of miles. The local dealer here gets info from me on those! Check the dealer exploded view to see if there is a missing spacer between gear and pump. I doubt there is one.   Dang memory, trying to remember this car. Is this the same one with the compression readings that are uneven? Once in a blue moon misfire code? If so, pull that coil and check the underside of it for flash marks. If possible, try substituting it with another one with a known performance. Aging spark plugs go up in resistance which would aggravate a flash over problem on any coil. I had a weird occasional misfire on a 86 Toyota Tercel that drove me nuts a while back. Turned out to be a flash over problem on the coil on the back side of it. New coil made her purr nicely after that.   If this is the same car, a valve would only have to hang up once in a blue moon to throw that stupid code out again. I have one in the fleet right now, a 97 that tosses a code once in a blue moon. It will slowly get worse, that is when I will deal with it. No sense chasing something until it really comes to a head. Monitor it, watch it to see what it is doing. When it gets bad enough, you have enough info to nail the problem. We call it a watch status. Not uncommon for the higher mileage units to have a couple of them at any given time.   Just the nature of the mechanical beast as OBD II tries to make something old be perfect all of the time. Not realistic. Replies to this message: phil2000 (Jul 04, 2009 9:05 pm)
#18206 of 18207 Re: Misfire [phil2000] by girlcarbuilder Jul 04, 2009 (7:49 pm)
Replying to: phil2000 (Jul 04, 2009 7:08 pm) I notice that it had shinny end that was evidence that it was rubbing something(I think the belt tensioner with the piston).Are we speaking of the piston in the hydraulic tensioner?   Not sure what this part above meant. BUT, An after thought came up, the timing belt hydraulic tensioners do become a problem after 2 belt changes or 210K miles. That could cause some slack in the timing belt. Which could create a fluctuation in operation. Doubt it to be enough to cause a code to toss out. But who knows? Just a thought, might be worth something.
#18207 of 18207 Re: Misfire [girlcarbuilder] by phil2000 Jul 04, 2009 (9:05 pm)
Replying to: girlcarbuilder (Jul 04, 2009 7:43 pm) Yes, we are talking about my 2000 Forester. It throws out a cyl. 1 misfire code, that prevents me from getting an inspections. I am still averaging 24 mpg. How bad can this car be. I wish the state would appreciate that my car is better on the environment that some cars rolling out of new car lots now.   I checked the coil pack no flash marks of carbon scaring. Plugs are brand new, swapped cables, problem did not move. Tried Lucas additive, code P0301 still popped up. I do not know where to get a good coil pack to try out.   The crankshaft sprocket has on the back something that looks like a bicycle gear. The tips are shiny, which tells me it was rubbing something. The teeth of the sprocket will be shiny (that is what the belt ride on). I think that the hydraulic tensioner pulley (which showed slight wear) was coming in contact with the gear spokes.

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