CEL Code 1507
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CEL Code 1507
new to the board...
2002 WRX stock except cold air intake with HKS filter and ground kit installed around 25,000 miles. Everything was running great.
then: CEL code 1507 about 90,000 miles.
car will not idle... varies between 1200 and 2500 rpm (normal idle is 500-750rpm?)
Edit: ALSO... cutoff at ~5300rpm in first gear.
replaced idle position sensor... no change.
Replaced spark plugs, switched to K&N air filter, fuel filter is next on the list...
Still have the CEL code 1507 and idle problem
any ideas?
2002 WRX stock except cold air intake with HKS filter and ground kit installed around 25,000 miles. Everything was running great.
then: CEL code 1507 about 90,000 miles.
car will not idle... varies between 1200 and 2500 rpm (normal idle is 500-750rpm?)
Edit: ALSO... cutoff at ~5300rpm in first gear.
replaced idle position sensor... no change.
Replaced spark plugs, switched to K&N air filter, fuel filter is next on the list...
Still have the CEL code 1507 and idle problem
any ideas?
Last edited by Adam48335; Oct 19, 2004 at 08:59 AM.
Registered User
Joined: Dec 2003
Posts: 151
From: New Jersey
Car Info: 2007 Mazdaspeed 3, Black, 6spd
Clean out the carbon from the intake manifold. Buy a carbon busting product and clean behind the throttle plate, inside the idle control valve, pcv valve and any where else you can reach. I have also heard of possible ground issues causing this code. Check you engine grounds and wire harness grounds.
Registered User
Joined: Aug 2003
Posts: 125
From: Hampton, VA
Car Info: '03 Silver WRX
I had different CEL, but same problem. It ended up being the Idle Control Valve on top of the throttle body. Expensive part ~ $300, but fixed the problem and CEL immediately. I got mine from Mastro Subaru (http://mastrowrx.com) Some people have had luck cleaning theirs, but that didn't work for me. Part 22650 in the attachment.
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