Question about 2006 Pontiac Grand Prix
1. Using a scanner, turn the Key On Engine Off (KOEO).
2. Check for a baro reading from the AIR pressure sensor of about 100 kPa (or 14.7 PSI)
3. Start the engine, turn on the air pump and the AIR control solenoid valve. This will measure the pressure from the air moving through the system into the exhaust. Expect to see 8-10 kPa higher than the KOEO kPa reading (or 1.16 to 1.45 PSI higher than KOEO PSI reading).
4. With the engine running, turn on the air pump, but shut off the AIR control solenoid valve. (This is basically a dead head test of the air pump). Expect to see 15 to 22 kPa above the KOEO baro reading (or 2.18 to 3.20 PSI above the KOEO PSI reading).
Posted on Apr 14, 2014
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Posted on Jan 02, 2017
you can go to advance auto and use there scanner for free to clear the code its called an obd2 connection or when you disconnect your battery you can touch your black negative cable to your red positive cable that connects to the battery and it will completley drain everything and reset but warning you if your trying to get the car through emissions your gonna have to drive the car 50 or 100 miles after you disconnect the battery each time..
Posted on Sep 30, 2008
I have the same car and if the gas cap is loos for any reason the service engine light will come on so check that. If it is it will turn off in a few days after you tighten it.
Posted on May 13, 2009
Sounds like you have a bad wheel speed sensor. You need to have it scanned. Since it's been sitting, it might just be a bad connection to one of the speed sensors.
Posted on Jun 02, 2009
It is located, as you are standing, facing the front of the engine, on the left front side going into the valve cover.
It is a little silver part that rattles when you shake it.
Posted on Dec 13, 2009
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