Tagged Questions
1
vote
2answers
43 views
what would cause the no.1 sparkplug to foul out 10 minutes after replacing it on a 1997 Buick 3.8 v-6 engine
About 6 months ago, I had some preventative maintenance done on my car that included oil change, plugs and wires. Within a week of running out of gas my car began "stumble" and idle rough. I ran ...
4
votes
2answers
389 views
Where exactly is the Check Engine Light connector on a 1997 Honda Honda Civic?
The check engine light on my 1997 Honda Civic lit up. I came across a method for troubleshooting (http://honda-tech.com/showthread.php?t=1901557) but I'm having trouble finding the connector. Can ...
5
votes
2answers
10k views
Check Engine code P0420 Catalyst efficiency below threshold bank 1
After months of normal driving with no problems, my 2003 Honda Civic EX check engine light came on during a long trip. Got it scanned and it's P0420: Catalyst efficiency below threshold bank 1. They ...
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 ...
