I have a 2004 cavalier 2.2 ecotec it was running perfectly fine I was at the store when I got back in my car it started missing but stoped the check engine light came on drove about 14 miles then changed the oil and did a motor flush drove another 13 miles at about 3 miles to my destenation is started missing and now it misses on start up took it to get the codes ran and engine light started flashing came back as o2 sensors thermostat missing or the coil pack what could the problem be I have changed the coil pack n plugs when I put the themastat in the car runs hot
Jul 10, 2014 at 9:27 PM