1996 4.0 mpg
#1
1996 4.0 mpg
I have a 1996 XJS convertible with the 4.0 6 cylinder motor. It has 108K miles and drives great with plenty of pep. I am on my 4th tank of fuel. The first one it got about 17 MPG which was baout 50/50 highway (80 MPH) and city Around town the next tank fulls delivered about 13 MPG. It seems low to me, but I have no idea...
#2
I have a 1996 XJS convertible with the 4.0 6 cylinder motor. It has 108K miles and drives great with plenty of pep. I am on my 4th tank of fuel. The first one it got about 17 MPG which was baout 50/50 highway (80 MPH) and city Around town the next tank fulls delivered about 13 MPG. It seems low to me, but I have no idea...
#4
#6
#7
https://www.jaguarforums.com/forum/x...engines-66536/
First thing to do is to check that you have Vacuum on your FPR Fuel Pressure Regulator
If not She could be running rich and this can really mess with your Fuel Economy
First thing to do is to check that you have Vacuum on your FPR Fuel Pressure Regulator
If not She could be running rich and this can really mess with your Fuel Economy
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#9
So, oddly enough, that’s the mileage I’m getting. 17s with mostly Highway, 13s if I’m in the city all the time. 15s if it’s mostly city, with some highway.
My LTFT is at 7.0. It was at 7.8.
The STFT should be changing all the time.
With 1.6 as the LTFT, I think you’re getting what the engine can give. It’s not overfuelling you (like it is for me).
My LTFT is at 7.0. It was at 7.8.
The STFT should be changing all the time.
With 1.6 as the LTFT, I think you’re getting what the engine can give. It’s not overfuelling you (like it is for me).
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