Troubleshooting 2000 jeep wrangler: check engine light & computer problems Jeep wrangler engine 2000 shaft drove misfire come check light ckp p1391 cmp intermittent loss System evap evaporative emission control code emissions leak fuel p0456 valve vent detected p0455 tank located air small dodge purge
P0456 - OBD II Trouble Code: Small Leak Detected in EVAP System
Troubleshooting 2000 Jeep Wrangler: Check Engine Light & Computer Problems
P0456 - OBD II Trouble Code: Small Leak Detected in EVAP System