Mopar Part 52030377AB Fuel Filler Review

tl;dr: Perfect replacement but not the solution I needed. OEM replacement for my five year old cap. The truck (2016 RAM 1500) was throwing codes 0456/0457 and the gas cap and check engine lights were on in the dash. Replacing the cap didn't solve the problem; had to replace the evaporative system integrity module (aka leak detection pump) which is also available here at Revain from multiple sources. The gas cap was an inexpensive first step, but in the end the ESIM had to be purchased and…

2012 Jeep Grand Cherokee 2wd 3.6L 2wd 3.6L - 3 months ago I started turning on the check engine light (CEL), bought a code scanner, showed a dreaded P0430 catalytic converter below threshold, everything I read suggested that that I had to get a new Ones CAT (two at JGC) and 4 new 02 sensors, dealer value over $2400. I was sick. But then the CEL would cycle off and on again on the next drive cycle. Strange. It went like this for 2 months. Then a month ago my fuel tank light came on so I got this

After spending hundreds of dollars fixing my 2011 Jeep Grand Cherokee to get through the smog just to get the check engine light back on, I finally have a little researched. jeep forums Find out that almost EVERYONE had the same problem with permanent codes P0456 and P0457 (thank goodness I have my own code reader, love that thing!). A simple and inexpensive fuel cap was the solution for most, so I thought it might be worth a try. Of course I changed the gas cap, the check engine light went out