Code p1507
07-22-2004, 12:54 AM
#3
I ♥ Acer
Join Date: Sep 2003
Location: United States
Posts: 8,826
RE: Code p1507
A vacuum leak, a damaged IAC assembly, a stuck IAC valve or throttle valve typically sets this code. The IAC can be checked with a scan tool, sensor tester or multimeter. A vacuum leak is one of the most common causes of this, of course Im sure you know how to check for that. Getting the valve stuck gets caused by carbon build-up usually.
I would spray around with brake cleaner or something flammable if you prefer (hey some people love starting fluid lol) and listen for changes in the idle - which indicate a vacuum leak where you sprayed. If you find none then I would clean the IAC with carb cleaner, then brake cleaner to remove any excess residue from the carb cleaner. When using the carb cleaner flood the whole thing and let it sit for a couple minutes before you spray it out. If that still don't fix it then check or replace the IAC. You should have it fixed by the time you get done with this little list.
I would spray around with brake cleaner or something flammable if you prefer (hey some people love starting fluid lol) and listen for changes in the idle - which indicate a vacuum leak where you sprayed. If you find none then I would clean the IAC with carb cleaner, then brake cleaner to remove any excess residue from the carb cleaner. When using the carb cleaner flood the whole thing and let it sit for a couple minutes before you spray it out. If that still don't fix it then check or replace the IAC. You should have it fixed by the time you get done with this little list.
07-22-2004, 12:58 AM
#4
5th Gear Member
Thread Starter
Join Date: Dec 2003
Posts: 2,883
RE: Code p1507
ORIGINAL: mdvaldosta
A vacuum leak, a damaged IAC assembly, a stuck IAC valve or throttle valve typically sets this code. The IAC can be checked with a scan tool, sensor tester or multimeter. A vacuum leak is one of the most common causes of this, of course Im sure you know how to check for that.
A vacuum leak, a damaged IAC assembly, a stuck IAC valve or throttle valve typically sets this code. The IAC can be checked with a scan tool, sensor tester or multimeter. A vacuum leak is one of the most common causes of this, of course Im sure you know how to check for that.
07-22-2004, 01:02 AM
#5
I ♥ Acer
Join Date: Sep 2003
Location: United States
Posts: 8,826
RE: Code p1507
I put more details in my first post, the IAC stands for idle air control valve (or motor as some people call it). It uses a moving pindle to help control the idle. Often times it gets caked in carbon buildup and has trouble functioning and causes idle problems, but it doesn't usually throw a code unless its damaged or there's a vacuum leak.
Its all good nomo, no one can be an expert at everything lol, I call myself a jack of all trades but master of none hehe. I took a 5 hour OBDII seminar about 5 years ago, so I kinda cheated.
Its all good nomo, no one can be an expert at everything lol, I call myself a jack of all trades but master of none hehe. I took a 5 hour OBDII seminar about 5 years ago, so I kinda cheated.
07-22-2004, 01:08 AM
#6
5th Gear Member
Thread Starter
Join Date: Dec 2003
Posts: 2,883
RE: Code p1507
ORIGINAL: mdvaldosta
I put more details in my first post, the IAC stands for idle air control valve (or motor as some people call it). It uses a moving pindle to help control the idle. Often times it gets caked in carbon buildup and has trouble functioning and causes idle problems, but it doesn't usually throw a code unless its damaged or there's a vacuum leak.
Its all good nomo, no one can be an expert at everything lol, I call myself a jack of all trades but master of none hehe. I took a 5 hour OBDII seminar about 5 years ago, so I kinda cheated.
I put more details in my first post, the IAC stands for idle air control valve (or motor as some people call it). It uses a moving pindle to help control the idle. Often times it gets caked in carbon buildup and has trouble functioning and causes idle problems, but it doesn't usually throw a code unless its damaged or there's a vacuum leak.
Its all good nomo, no one can be an expert at everything lol, I call myself a jack of all trades but master of none hehe. I took a 5 hour OBDII seminar about 5 years ago, so I kinda cheated.
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