Hi all, I'm not really new to the forum. I have used your threads for awhile to solve many of my issues. A little background, I have an 02 Disco II. I've had the three amigos for awhile. Just have not got down to them. This past weekend we went for a ride and I ended up with the M&S lights blinking and limp mode. We limped to a good year dealer and got the following codes<P1884, P1590, P01771B, P0174, and P0122A). when I got the truck home, I checked the MAF and found some loose connections. Cleaned and tightened everything and got rid of P0171B and P0174. I still have P1884, P1590, and P0122A. I checked the XYZ switch, even took it apart and It was practically new. I've checked trans fluid. Now when I start I get a high idle that will settle down after a minute. The truck runs great but is stuck in Limp mode. also, there is a new battery and 13.9 volts from the alternator. Any further ideas before I go and spend money on sensors that may not need to be changed?

 

1884- could be multiple tranny issues, but while attempt at cleaning is a worthwhile effort a new maf sensor may, in fact, be needed.
1590- just tells you what you already know... You have 3amigos

 

check all your grounds

 

Thanks guys, I was afraid of grounding issues for awhile and have started to chase them down and clean and seal them. I was hoping to avoid sensor replacements, but I have started looking for some parts vehicles to see if I can get some parts. I need some additional parts for my go bag anyway. I still welcome any other points of advice.

 

Unrelated , but had the same LIMP mode issue with a Jaguar and a new (used) MAF solved the problem.