Anyone fix a p1291 code?
#1
Registered User
Thread Starter
Join Date: Jul 2008
Location: San Diego, California
Posts: 78
Likes: 0
Received 0 Likes
on
0 Posts
Anyone fix a p1291 code?
I have a p1291 code on my 2001, did the searches. Came up with three posts on the code, but no answer on what fixed the issue. No temperature rise seen from intake air heater is the discription for the code. I was going to replace the relay in the heater circurt tomorrow. But I would rather get feedback on fixes from those that have addressed this code in the past. Anyone every have this code come up in their trucks, if so, what did you do to fix the codes? Plus, is it safe to run the truck with this code?
Thanks in advance/ BRO
Thanks in advance/ BRO
#2
Do a couple of tests and see if the grid heaters are working. Test for voltage at the grid heaters when someone turns the key on. If the grid heaters are working, i would look into an IAT.
#3
Registered User
Thread Starter
Join Date: Jul 2008
Location: San Diego, California
Posts: 78
Likes: 0
Received 0 Likes
on
0 Posts
Thank you tractorguyacb for your reply. I will do a little more research and try out what you advise me to do. BRO
Thread
Thread Starter
Forum
Replies
Last Post