2002 jeep grand cherokee: obd codes(p0455&p0442) told me to go..guys I have a 2002 jeep grand cherokee. a friend pulkled up obd codes(p0455&p0442) told me to go to the lybrary and get the maintenance manual which would tell me how to fix the problem. Anyhow, Yesterday I jumped into my Jeep (2001 Cherokee Limited, 46,400 miles) and got almost out of my development and the check engine light came on. Went to Walmart and picked up an OBD-II scan tool today and found the PO442 Code stored and it was the only code in the system. Code P0455 Tech Notes. The P0455 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). A loose fuel tank filler cap is the most common cause that will trigger the P0455 code. User Submitted Video. 2008 Jeep Grand Cherokee Limited 4.7 P0455 Code and Gas Smell from engine? Any thoughts? in this thread in this sub-forum in the entire site. Advanced Search Cancel SOURCE: 2003 Jeep Grand Cherokee Laredo - Code P0456 EVAP leak. SOURCE: 2002 jeep wrangler 6 cylinder: THE P0455 CODE POSSIBLE CAUSES ARE . Leak at Gas Cap My 2002 Jeep Grand Cherokee failed its emissions test with the following codes: P0442, P0455, P0456. I have had problems before with the gas cap and replaced it - car passed. Am I looking at replacing … read more STEP 1: USE FIXD TO ENSURE NO OTHER ENGINE CODES ARE PRESENT. Use FIXD to scan your vehicle to verify P0455 is the only code present. If other codes are present, they must be addressed first. If it is paired with P0441, P0440 and/or P0456, there is most likely a solenoid failure or a more complex EVAP leak. 04 grand cherokee larado special edition no lock at hatch or passenger door wont start after removing battery 1 chip key doors lock w/auto except driver dr i know nothing about modifications etc. Does anyone know the exact location of keyless entry receiver on 04 jeep 4.0l grd. cherokee. There's noway all four o2 sensor can go out at the same time, need to check for a vacuum leak, that will set an o2 sensor code. 2004 Jeep Grand Cherokee. O.k. I thought you had a v8. You have a 4.0 and it must have California emissions. On the drivers side you have two converters hanging from the exhaust manifold. SVpqI1F.

jeep grand cherokee code p0455