Can a fuel leak cause a Grand Cherokee to stop running?
Can a fuel leak cause a Grand Cherokee to stop running? While P0455 is not going to cause the Grand Cherokee’s engine to stop running, it should not be treated lightly. You could have a fuel leak. Pay extra attention to your tank level and make sure you are not leaking fuel. We recommend taking it in and/or dealing with it right away. When did the Jeep YJ get a 4.0 liter? The YJ "Universal Jeep" stuck with the old 258 six (4.2 liter) until the 1991 model year, when it finally gained the 4.0 - but only at 181...