2003 Jeep Grand Cherokee Laredo - Code P0456 EVAP leak open hood and ck for broken vacuum hoses going to the purge valve(2 vacuum ports and a wiring connector) on the drivers side between airbox and firewall 2002 jeep grand cherokee code 1281 this code p1281,0300,0304,0158,0455,0305 all came on and my engine light is on - Jeep 2002 Liberty question Search Fixya Press enter to search. P1281 is "Engine is cold too long," so it's close to P0128. The P1281 code sets if the engine coolant doesn't reach 181°F while driving for more than 3 minutes. Share P1281 enginlight on - Jeep 2004 Grand Cherokee question. My resources say P1281 is engine is cold too long. That would lead me to possibilty of faulty thermostat, or something else in cooling system. Jeep grand cherokee: CODE P01232003 Jeep Grand Cherokee • CODE P0123 2003 Jeep Grand Cherokee • 4.0L 6 cylinder 4WD Automatic • 106,000 miles CEL on, codes p0122 & p0123, try to clear codes and 122 clears 123 will not clear. Sounds like a stuck open thermostat to me. the only confuser for me is when you say the two hoses are cold/hot. It is hard to compare the temperature of each hose at any point in the start/warmup if I am not sure which hose you are talking about. Failed smog due to code P1281 P0128engine cold too long. Monitors would not complete. After repair All-monitors completed and passed smog. what possible solution for code p1294 - Jeep 2001 Grand Cherokee question. Search Fixya. Browse Categories Answer Questions . 2001 Jeep Grand Cherokee; Jeep Grand .

jeep grand cherokee code p1281