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2002 Subaru impreza ts 2.5 when driving down the road and let off the gas and coast then get back into it it smoke bad for a few minutes then clears up until you coast again. Is it the head gasket

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  • Subaru Master
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No
when you are coasting , the inlet manifold vacuum can exceed 25 " mercury and that puts extra strain on the valve stem seals and rings
if they are failed or the valve stems guides are worn then the vacuum sucks oil past the seals and down the valve stems into the combustion chambers , resulting in the smoke when the system again fires up on acceleration
find an accrdited service center with experience on the make of car, have them do a compression test (wet and dry) to determine engine condition and if the rings prove a good compression , then they will be able to change the valve stem seals with out removing he head/s
get quotes first

Posted on May 19, 2017

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SOURCE: 98 subaru impreza knock sensor

at the top of the block under the plenum runners.
please leave feedback
cheers

Posted on Jul 02, 2008

jmeyer847
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SOURCE: 2001 subaru legacy leaking coolant from head gasket......

Your mechanic is ok with saying that...however you should replace both head gaskets. This can get costly if you take it to have it done somewhere, but if you use a manual from your local library or buy one from your local auto parts store, its a much more cost effective way of fixing it. You are ok to drive it, be sure to check your fluid before you do. I would look into getting these changed within the next few weeks.

Thanks for using Fixya!

Sincerely,

JC

Posted on Jan 06, 2009

  • 33 Answers

SOURCE: 95 subaru impreza ;speedometer quit,engine light stays on

i had this problem with mine if your cable spins wen the car is moving its not the gear box end or the cable its the speed sensor in the speedo its self its very easy to fix you have to strip the speedo out of the case the sensor is only small and on the under side of the speedo the sensor is about 50 mm long and 10 mm wide change that and it should be ok
oh remember to reset your ecu

Posted on Jan 16, 2009

blueextc3221
  • 15935 Answers

SOURCE: Subaru Impreza gas cap door won't open

If there is one - In trunk - directly behind the gas filler door - behind trunkliner (carpet)
The cable should not have any problems... use a partner to hold the door release and try and pry it open with your fingers.
The spring popper may be bad.
Try this if you dont have an assistant :D
48a4657.jpg
I had this problem with my STI -- easy to fix by bending the little metal on the inside of the fuel door that provides the spring action to open the door. 5 second fix


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Posted on Apr 23, 2009

  • 232 Answers

SOURCE: intermittant stalls & rough idle

You might have leaking injector(s) or injector O-ring(s). It could be leaking inside the fuel rail feeding fuel constantly. The pressure could be OK because the computer compensates by working the fuel pump harder in order to keep pressure within specs. I have a similar problem in my 99 Outback, it rough idles at stops intermittently. I recreated the problem, I checked it in my back yard, turned it on, let it warm up. Then I put it in gear went forward stopping and going with the e-brake until it rough idled. I got out put some bricks in front of the tires and started checking around. I noticed when it rough idles the transmission makes a constant sound. I would describe it as a fast ticking, sounds electronic. I tried messing with the idle by adjusting the TPS. I noticed that when I set the TPS to where there was little or no signal coming from it the sound would stop and the idle would be normal. I haven't had time to check it again but I don't know what to think of it.

Posted on May 01, 2009

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