IAC Test Help
Thread Starter
Racer
Joined: Jun 2002
Posts: 411
Likes: 0
From: Palm City FL
IAC Test Help
I have a "IAC sensor high" trouble code. I was capturing a 3/4 throttle run, and afterwards it ran not so good. Playing back the run, just after I let off, the GPS reading went to 254 and is still there. I unplugged the sensor, relinked, and still have the 254 reading.
How can I figure out if the IAC is F'd or the ECM is at fault??? (I'm thinking ECM)
How can I figure out if the IAC is F'd or the ECM is at fault??? (I'm thinking ECM)
Melting Slicks
Joined: Oct 2000
Posts: 3,426
Likes: 4
From: Heidelberg PA
Cruise-In V Veteran
Re: IAC Test Help (severe-1)
Just curious. Did you disconnect the battery?
Many times by disconnecting the battery for 10 minutes or more you reset your systems. At least on mine, I have to then take the car for a ride to teach/relearn the computer.
Good Luck,
Many times by disconnecting the battery for 10 minutes or more you reset your systems. At least on mine, I have to then take the car for a ride to teach/relearn the computer.
Good Luck,
Drifting
Joined: Mar 1999
Posts: 1,931
Likes: 1
From: Norcross GA
Re: IAC Test Help (severe-1)
Are you working on an L98 MAP or MAS system?
IAC has units of "Counts".
MAF has units of "GPS"
MAP has units of "KPa"
What are you using for a scan tool?
[Modified by ZylaRace, 10:01 AM 1/3/2003]
IAC has units of "Counts".
MAF has units of "GPS"
MAP has units of "KPa"
What are you using for a scan tool?
[Modified by ZylaRace, 10:01 AM 1/3/2003]
