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Wagons Subaru Crew Subaru Impreza Subaru Impreza Maintenance & Repair Subaru Impreza Engine Issues
222 messages, Last post on Mar 28, 2009 at 5:51 PM
You are in the Subaru Impreza Maintenance & Repair Forum. Your Host is kcram
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I want to change my own oil to save a few $$ and priced out a filter at a local auto parts store. I then checked the dealer price and it was actually lower. So I got the dealer filter. Got set up to do the change and I took the new filter out of the box, and just on a whim, compared it to the filter in place, holding it up under the the old one. It was smaller, not as wide in circumference as the one there. So doing this for the first time, I decided to wait. It was a Friday night and I had to work Saturday and could not call the dealer to question if I had been sold the right filter. Is it possible that it is the correct one and it fill work? Also I have heard that those quick change oil centers use a lower grade oil, hence the lower price for a change? Is this true and is it not a good idea to get oil changes in these places? Thanks
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Replying to: loretts (Oct 25, 2008 2:27 pm) -mike Motorsports and Modifications Host |
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Replying to: merogul (Oct 25, 2008 8:47 am) When you first attempt to start, turn the key to the "on" position for a couple seconds before actually trying to crank it. That will give the fuel system time to pressurize. I would not think oxygen sensors to be a possible problem, as I thought they did not provide feedback until after the car reached operating temperature - perhaps someone can correct me if I am wrong. The one time I had serious issues with cold starting (in any weather conditions), it was a result, I think, of a faulty knock sensor, perhaps in combination with the crank and camshaft sensors. The computer threw a code for the camshaft sensor when that happened, but I replaced all three simultaneously due to some other issues that lead me to suspect the other sensors may be co-conspirators, and all problems were resolved. I am not recommending that you start throwing all those parts at the car, but you might consider having your knock sensor tested and/or replaced. As yours should be under warranty, it might be more difficult to get the shop to test for these things, but the car is obviously not running right, so keep on it to seek satisfaction. It is frustrating when a shop can only diagnose a car based on the computer or a factory T.S.B. Good luck! |
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I would like to thank you for your response. Last winter, I have tried your suggestion which is turning “the key to the "on" position for a couple seconds before actually trying to crank it”. However, it did not help anything. I also checked the voltage of the battery a couple of times. Nothing was wrong with the battery. I will go to the Subaru service in December and ask them about the knock sensor, the crank and camshaft sensors. I am not sure if they sell block heater and stock batteries in Turkey. I think my car is getting worse. Most of the time I have to step on the gas pedal while starting the engine. If I do not do that, it either does not start or dies itself after the engine starts. When I push the gas pedal half way before turning the key to start engine, the car starts perfectly as it should. Sometimes, the engine starts and waits at the 200-300 RPM about 3-4 seconds before going to 1500-2000 RPM. This is a small city and I am driving my car slowly around 2000RPM. Can this cause these kinds of problems? What would be the appropriate RPM for my 1.5 engine automatic subaru impreza? Thanks. |
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I would like to give an update about the engine problem. After my previous post, the engine did not start at all when it was cold. While turning on the key to start position, I had to step on gas pedal several times to get it started. I took my car to the Subaru service. The mechanic told me that the butterfly valve in the engine got dirty and could not close itself. The angle of the valve should be 0º in closed position. However, it was 0.5º in my car. When I had turned the key to start engine, it had sent a lot of gas and choked the engine. ( I do not understand. If it was sending a lot of gas, why the engine started when I pushed the gas pedal several times and send more gas to the engine) The mechanic changed some part of the valve. He also said that he cleaned the sensors in the engine. The engine works perfectly in warm weather. However, now it is very cold. The engine starts immediately in the mornings and then it quickly stops by itself when I release the ignition key. If I hold the key in start position about 8 seconds (even the engine got started), the engine catches on and continue to work. I do not think that this is a normal behavior for the Subaru engine. I am glad that it is still under warranty and Subaru service is very helpful in Ankara, Turkey. I hope I could express myself clearly. I also hope that no one else is having this kind of problems with their car. Thanks Mehmet |
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| I'm looking for some good independent Subaru repair shops in the Sugar Land area as an alternative to the local dealership. I have a 2000 Impreza RS2.5 with only 53K miles, but it looks like the dreaded "head gasket leak" has begun, Of course the car is just out of the warranty for the "fix" the factory sent out for this problem, and the local dealership is quoting me $1800.00 for the replacement. Love the car, but I'm going to have a real problem purchasing another Subie based on this experience. Any advice from anyone who's already gone through this process would be appreciated. Thanks. | |
The check engine light has come on a few years ago and nobody at the dealership mechanic shop has found out why. When it comes on the performance decreases. We overide the code with a computer and it works good again for 2-3 restarts of the engine, then the light comes back on again. The brake light comes on and off since a few months, too. Sometimes when it is snowy and specially if the heater is turned on and we are waiting at a stoplight there is a sudden smell of gas. Now after our last 600 mile trip the light has started to flash and the engine vibrates when the car is standing. Has anybody out there an idea what is going on with our Subaru ? Does anybody know a good Subaru mechanic in the Greater Antelope Valley,CA, or Bakersfield, CA area ? Please let me know....
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Replying to: jaymary (Mar 17, 2009 1:00 pm) Could by anything, from emissions to fuel system to electrical. |
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I own a 2007 Impreza. I have trouble starting the engine sometimes. It does not matter if it cold or hot outside. I wants to start, but stops. I am afraid to give it gas, sometimes I have to, for flooding the engine. What is this problem about?
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Replying to: claudettec (Mar 24, 2009 11:36 am) Good luck.
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