Two things come to mind a CKP sensor going bad* and a fuel pressure problem. P1281-ENGINE IS COLD TOO LONG. P1494-LEAK DETECTION PUMP SWITCH OR MECHANICAL. FAULT. I would back brner those until jeep is running. * CKP the crank sensor- 1st suspect they often fail as you describe stall and restart to no start without setting a code. Chevy silverado 1500 trail boss overland build: northwoods and beyond 2015 chevy hd expedition vehicle rendering Silverado overland chevy build camping 2011 jeep grand Cherokee laredo dealer replaced cracked head and both camshaft . I have A 2004 jeep grand cherokee reading code p1281 what is it and how do I fix it . 0. 02blue. 1549 posts · Joined 2011. #4 · Oct 29, 2014. P0133 is the bank 1 sensor 1. So that would be the upstream (precat) on the drivers side. Tricky to get to but not impossible. The connector may be more of a problem to reach. Those upstream connectors seem to be in a tight spot. Associate Degree. 13,491 satisfied customers. Crysler jeep Grand cherokee: my daughter 200 jeep grand Cherokee. my daughter 200 jeep grand Cherokee v8 codes are p0202,p0420, p0432, p0456 I have replaced injector 2 and tuned up all plugs and coil2 fixed for a … read more. Jeep Grand Cherokee & Commander Forums. WJ Grand Cherokee Forum. Thermostat needing changed P1281 P0420 -what does it mean? (1997-2001 2.0l honda cr-v) 2022 honda crv catalytic converter 2002 honda crv ex are my p0420 sensors no good? how to take off Code P1281. ADAMFASCA My 99 Jeep Grand Cherokee With A 4.7lt V8 Keeps Showing That Cyl 6 Is Misfiring. I Have Replaced The Coil Twice All The Plugs But I'm Not eLQ0.