Since we are all LR owners we accept the MPG facts as dismal as they are That being said, dropping from my typical 12-13 MPG around town down to a new low this weekend at 8.8 leads me to post this and seek out some solutions.
I started noticing the drop back in October when I decided to keep the truck (an 03) and drop in a locking t-case along with a D1 shifter. I resealed the t-case but nothing else. I noticed the output flanges rotated somewhat "tighter" with the new t-case than the t-case that came out of the truck. But didn't think too much about it. The reason I don't think it's the t-case is because the MPG has been fluctuating from the ridiculousness of 8.8 to low 11s. I also don't think it's the winter blend of gas. It might contribute but it's never been this drastic.
What I have done since then to try and rule out anything is:
new plugs (needed it anyway)
new wires (needed it anyway)
I'm going to do the following next:
swap fluids in fr/rr diffs (needs it)
replace MAF (needs it as it still has original with 217k on the clock)
replace fuel fitler (can't hurt since it has the original in it)
swap transmission fluid (can't hurt)
I don't believe the brakes are dragging. I'm not sure how to test if the parking brake is placing a drag on the drive-train.
Anyone have any other potential solutions to track down? It's not throwing any codes and considering the truck gets used and abused like a proper Land Rover should it's in remarkable shape but I'm starting to get pissed at it now.
I started noticing the drop back in October when I decided to keep the truck (an 03) and drop in a locking t-case along with a D1 shifter. I resealed the t-case but nothing else. I noticed the output flanges rotated somewhat "tighter" with the new t-case than the t-case that came out of the truck. But didn't think too much about it. The reason I don't think it's the t-case is because the MPG has been fluctuating from the ridiculousness of 8.8 to low 11s. I also don't think it's the winter blend of gas. It might contribute but it's never been this drastic.
What I have done since then to try and rule out anything is:
new plugs (needed it anyway)
new wires (needed it anyway)
I'm going to do the following next:
swap fluids in fr/rr diffs (needs it)
replace MAF (needs it as it still has original with 217k on the clock)
replace fuel fitler (can't hurt since it has the original in it)
swap transmission fluid (can't hurt)
I don't believe the brakes are dragging. I'm not sure how to test if the parking brake is placing a drag on the drive-train.
Anyone have any other potential solutions to track down? It's not throwing any codes and considering the truck gets used and abused like a proper Land Rover should it's in remarkable shape but I'm starting to get pissed at it now.