"Check Engine Light"
8
votes
1answer
275 views
What are good features to look for in an ODB-II reader
I recently took my car in for the engine light. It turned out to be a minor problem (crack in gas cap let water in). It would be nice to have a low-cost ODB-II reader to be able to find out for ...
10
votes
2answers
1k views
2005 Dodge Ram: easy way to diagnose code P0420?
My truck is reporting a code P0420, which apparently is "Catalyst System Efficiency Below Threshold (Bank 1)" which can either be the catalytic converter or the rear O2 sensor. The code came on at ...
2
votes
1answer
3k views
Check Engine Light on '94 Jeep Grand Cherokee
How do I get Check Engine Light codes (ODB-I) from a '94 Jeep Grand Cherokee, and where can I look them up?