Question about 1992 Subaru Legacy

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92 legacy wont start when hot

Starts and rins fine when cold but when the engine is warm it will not start after trying for awhile with throttle all the way open has fuel and spark i cant figure it out ! occasionaly will idle high when in park

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  • 6 Answers

If it hae a coil pack have it checked if i get hot it will do that

Posted on Nov 01, 2012

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Hot start problem w/Subaru

I just went through this same issue and it turned out to be the engine cooling sensor, a $50 part.

Posted on Aug 12, 2008

  • 97 Answers

SOURCE: Cold Start Idle Issue

Problem might be the air control valve, it's located at the right side rear of intake manifold and has a hose going to the air intake duct from the air cleaner, as a test you might try pinching off that hose when the idle is a problem.

Posted on Sep 30, 2008

jimmybrown67
  • 835 Answers

SOURCE: 92 subaru hard starting cold or hot. no codes.

did replace with the recommed plugs -hot or cold plugs

Posted on Nov 05, 2010

  • 509 Answers

SOURCE: With engine cold, 1991 Legacy

I would check the transmission fluid level to make sure it's full. If it's full and still doesn't move you may have to take it to a repair shop.

Posted on May 05, 2011

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1 Answer

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I had same problem. Engine will start if you crank it for awhile. This is because the fuel pump has a . check valve that is supposed to keep fuel from running back into tank and hold fuel at pressure so it will start immediately. If valve leaks it takes awhile for fuel to be pumped back up to injectors. Replacing fuel pump fixed my problem.

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1 Answer

Hot start problem w/Subaru


I just went through this same issue and it turned out to be the engine cooling sensor, a $50 part.

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