killer5.0 5 Year Member Oct 8, 2009 725 83 59 Mar 27, 2010 #1 Mar 27, 2010 #1 does that mean i have a bad IAB? engine was off with key in run position...went up to like 14v with engine running.
does that mean i have a bad IAB? engine was off with key in run position...went up to like 14v with engine running.
liljoe07 5 Year Member Feb 18, 2009 1,622 363 124 Cartersville,Ga Mar 27, 2010 #2 Mar 27, 2010 #2 No that doesnt mean its bad. It supposed to be fed 12v or battery voltage.
killer5.0 5 Year Member Oct 8, 2009 725 83 59 Mar 27, 2010 #3 Mar 27, 2010 #3 okay...b/c my battery voltage is about 12.6v
liljoe07 5 Year Member Feb 18, 2009 1,622 363 124 Cartersville,Ga Mar 27, 2010 #4 Mar 27, 2010 #4 Its fine. The voltage to the IAC does not tell wether its good or bad. There is no output voltge from the IAC. The IAC is controlled by the ECM through its ground.
Its fine. The voltage to the IAC does not tell wether its good or bad. There is no output voltge from the IAC. The IAC is controlled by the ECM through its ground.
killer5.0 5 Year Member Oct 8, 2009 725 83 59 Mar 27, 2010 #5 Mar 27, 2010 #5 okay thanks im going through the surging idle checklist..lol
joel5.0 Member Jun 15, 2004 429 2 18 Puerto Rico Mar 27, 2010 #6 Mar 27, 2010 #6 Keep in mind that with the IGN ON engine OFF, the ECM cycles the IAC to a pre-startup open position.... which will show as a voltage drop when compared to battery voltage.
Keep in mind that with the IGN ON engine OFF, the ECM cycles the IAC to a pre-startup open position.... which will show as a voltage drop when compared to battery voltage.