02 7.3 check engine light
09-19-2009, 05:33 AM
Join Date: Sep 2009
Posts: 4
Likes: 0
Received 0 Likes
on
0 Posts
02 7.3 check engine light
My light comes on when I am driving highway speeds. It never stays on long, 5 min or so and as soon as you turn the ignition off, it clears the code so I cant get a read on it. It happens when downshifting and accelerating to pass or pull a hill. Any ideas? I do have a superchips tuner installed but I have tried both with and without programming installed with the same results. Other than the light coming on, the truckruns fine. I have about 125k on it and this has also happened through 2 cam sensors.
09-19-2009, 06:09 AM
Join Date: Sep 2007
Location: Lenhartsville PA
Posts: 895
Likes: 0
Received 0 Likes
on
0 Posts
Maybe an over boost thing, but if the light came on it stored a code. How did you read the codes?
Last edited by greedy737; 09-19-2009 at 06:11 AM.
Reason: sorry I didn't see you said downshifting to!
09-19-2009, 09:50 AM
Join Date: May 2008
Location: Liberty Lake, WA
Posts: 860
Likes: 0
I suspect if you were to pull the codes with a scanner, its gonna be either P1211 or an overboost code.
09-19-2009, 12:03 PM
Join Date: Sep 2009
Posts: 4
Likes: 0
Received 0 Likes
on
0 Posts
Is that anything to worry about or is there something I can do to fix it?
09-19-2009, 07:59 PM
Of the next Riffraff East
Join Date: Oct 2004
Location: Concord NC
Posts: 8,679
Likes: 0
09-19-2009, 08:43 PM
Join Date: Mar 2007
Location: Texas
Posts: 26,966
Likes: 0
I thought the Superchips tuner could pull codes? Just because the light goes out doesn't mean the codes dissapear. The PCM will remember the codes for a while, even after the light goes out.
Another P1211 guess here.
09-19-2009, 09:45 PM
Of the next Riffraff East
Join Date: Oct 2004
Location: Concord NC
Posts: 8,679
Likes: 0
The 1705 will, but not sure what he has
09-19-2009, 11:35 PM
Join Date: Sep 2009
Posts: 4
Likes: 0
Received 0 Likes
on
0 Posts
I have the new controller. Just sent themmy old one and they sent me the new version. I will see if I can pull the code tomorrow. I know I could pull codes withthe old one but I never got a code for this scenario. I willpost what I find.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
1996brand
6.0L Power Stroke Diesel
2
10-09-2016 11:13 PM
COMTNMAN
1999 to 2016 Super Duty
1
08-22-2016 12:05 AM
6.9idiatsturbo
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
18
08-15-2016 05:54 PM
xmontex4
1999 to 2016 Super Duty
11
07-22-2016 06:28 AM
championofthesun
1973 - 1979 F-100 & Larger F-Series Trucks
5
12-21-2015 01:03 PM
01,
02,
2003,
73,
73check,
check,
codes,
diesel,
engine,
f250,
f350,
ford,
hill,
light,
lights,
pull