Diagnostic Trouble Code
1
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2answers
45 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
390 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 ...
0
votes
2answers
997 views
Engine Code p0104 - EGR issues?
One of my family members owns a Ford Econoline E150 modified with a roof extender and power wheelchair lift, however the engine is a stock V8 which runs on regular gas.
Anyway, after a fairly long ...
3
votes
2answers
694 views
Reading ABS diagnostic codes on a Volvo 940
I want to read any fault codes stored in my 1992 Volvo 940's ABS module. I've tried the procedure described in the popular 700/900 series FAQ without success. That procedure involves plugging the ...
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 ...
