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I have a 1999 Subaru Legacy with a P1507 trouble code which says "Idle control system fault. It says fuel system 2 is at fault, 1 is fine". It won't idle. Can you help me?

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Posted on Jan 02, 2017

peidavey
  • 14 Answers

SOURCE: 97 Subaru Legacy GT Alternator Voltage Output

Battery is probably on it last legs... alternator sounds normal.

Posted on Dec 26, 2008

  • 1 Answer

SOURCE: 2001 Subaru legacy idle problem

check the IACV (idle air conrol valve) which monitors idle speed. a clean out of one is a good idea periodically either way.

Posted on Jan 19, 2009

  • 1 Answer

SOURCE: Subaru Legacy TS-R Idle problems and no grunt up hills!

Sounds like a classic example of cam timing which is different from ignition timing. It could be that one of the cams is a tooth out on the timing. It requires the front cambelt covers to be taken off to be checked.

Posted on Mar 01, 2009

Monster80
  • 460 Answers

SOURCE: code p1507,what do i do

Hi there. Sounds like you either need to clean the throttle body.If code still comes back on you need to replace the IAC valve.It on the throttle body and controls the idle and air control to the motor.Hope this helps you.Have a great day...

Posted on Apr 01, 2009

  • 2 Answers

SOURCE: My 1999 subaru parking lights will not turn off

the rocker switch on top of your steering column is on.

Posted on Aug 29, 2009

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Code p1507,what do i do


Hi there. Sounds like you either need to clean the throttle body.If code still comes back on you need to replace the IAC valve.It on the throttle body and controls the idle and air control to the motor.Hope this helps you.Have a great day...

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