this is the first time it has done this
Jeep Q&AAsk Your Question
2003 Jeep Liberty Question: why is the check engine light flashing, no power, cylinder misfiring please help
Answer #1ebans777 December 01, 2012, 08:40Journeyman
seek diagnostic, i would have compression test first, what cylinder misfires? check plugs, wires/coils.
Answer #2ziptie12 December 01, 2012, 18:11Master
DON'T drive it like that!! The MIL flashing indicates that catalyst damage is likely. Pull plugs and inspect , Keep in order , they may aid in diagnostics. Follow ebans777 suggestions for further troubleshooting.