The Check Engine Light may Illuminate Erroneously on Chrysler Pacifica

"False" trouble codes may cause erroneous illumination of the Check Engine Light. Updating the PCM software can often correct this concern.

RepairPal Verified
Average mileage: 120,132 (64,000–154,328)
5 model years affected: 2004, 2005, 2006, 2007, more2008
13 people reported this problem
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
Viewing 1 - 3 of 3 problem details
2005 Chrysler Pacifica 145,000 mi,
engine light comes on and goes off all the time.sure the loose gas cap cousin throwing me that my catalytic converter is bad. and o2 sensors both of them. then it goes off for a long time then comes on and goes back off. I've had it since December of 2013. it better pass emissions this year. I log on my own maintenance take very good care of it and document all of it. the motor runs great. quiet and clean room the synthetic blend every four thousand miles. take care of brakes tires Ect. but engine light trips me out don't know what to think. don't know if I really have a problem or not
2007 Chrysler Pacifica 99,000 mi,
check engine lite comes on
secondary fuel module replaced, light remains on