New vehicle for me Used car 77K miles- but have high idle rev. Error code P0507. Any suggestions? I have no vacuum leaks I can find. Thinking about changing out PCV valve for starters. Read other sites saying not to clean TB...usually brings on more problems. Thanks for the reply.
Post subject: Re: P0507 error code 03 Nissan Altima
Posted: Tue Nov 10, 2009 7:54 pm
Joined: Fri Nov 06, 2009 8:29 pm Posts: 3
Replaced PCV valve and found cracked line going to valve. Thought that would solve problem but it didn't. Car revs once you put it in park. Revs to 1800 then to 800, back to 1800 then to 800. Still hunting for vacuum leak and other possible answers.
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