Jeep . Cherokee; Compass; Grand Cherokee; Renegade; Wrangler; Liberty; Patriot; Ram Trucks . 1500; 2500; 3500; Ram ProMaster 1500; Ram ProMaster 2500; Ram ProMaster 3500; Ram ProMaster City; Wagoneer . Fuel Tank Locking Cap Kit - Mopar (68357474AC) 2018-2024 Jeep - 68357474ac. Part can be found as reference #2 in illustration . MSRP $121.00 . kerno Discussion starter. 151 posts · Joined 2011. #1 · Sep 29, 2011. P0455 Large evap system leak - found it! also P0454, P0456. Several people have posted that they were unable to find the cause of the code. According to the factory diagnosis manual, the code gets set when the system determines that there is a leak greater than .080 diameter. Also with dealer, BUT Parts Mgr agreed to discount the gas assembly from $184 to $138. Costs are now $110 labor + $138 gas assbly = $248. Part is entire hose (redesign) one piece integrated from capless gas input to gas tank. Souring on Jeep. The gas cap cracked, safety issue, Jeep then redesigned part and we have to pay to get the upgrade for For any of you who encounter a similar problem, ColdCase nailed the location for the "pump." It's next to the canister in the left rear wheel well. The tech remove the left rear tire and took out 4 or 5 pop snaps and one screw. This allowed the dust flap to partially drop, and the "pump" was easily accessed. If there is a problem with the EVAP system, it could cause the gas cap light to come on. On inspection, the Jeep Grand Cherokee Check Fuel Cap light is $95, which includes $9 for parts, $9 for labor, and $95 for each part. Depending on where you are, prices may vary. The gas cap protects the gas tank from spills, evaporation, and contamination The contact owns a 2011 Jeep Grand Cherokee. The contact stated that there was a progressing fuel odor coming from the rear of the vehicle. The dealer (acton Chrysler Dodge Jeep ram, 196 great rd, acton, MA 01720, (978) 263-7300) diagnosed that there was an internal leak on the top of the tank. James B. January 26, 2021. The 2015 Jeep Grand Cherokee capless gas tank problems are faulty control valve and loose gas tank. Having the fuel burn efficiently is the key to maximizing your miles per gallon. Your gas tank needs to be in the beSTShape. You will come into problems at some point. Place a new clamp onto the rubber hose. Take the new fuel filler neck and twist it into the rubber hose. Put the clamp in place and tighten up the slack. Allow the fuel filler neck to twist but not allow the clamp to move. Step 17: Raise up the fuel tank to the vent hose. Attach the vent hose using a new clamp. In the early 2000s, Jeep began using capless fuel tanks in their vehicles. These tanks have a plastic cover that protects the fuel tank from being punctured, but they also have a valve that allows the fuel to vent if the pressure in the tank gets too high. Capless fuel tanks are a safer option than traditional fuel tanks, and they are becoming SQUASHMIRE. I have been getting the P0456 code for small EVAP leak for about two years. I have paid to have several smoke tests (they found no leaks) and replaced every component in the EVAP system at least once except for one -- the fuel filler neck, running from the fuel inlet to the gas tank. I am guessing it has a small leak or two weFD1ZQ.