Diagnostic Trouble Code

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Persisting 1998 Malibu Exhaust Problem

I am having a problem with a 1998 Malibu. I keep getting several codes but primarily P0420. I have replace the Catalytic Converter twice. Both oxygen sensors have been replaced. I have checked the ...
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1answer
15 views

Error Codes Related to Transmission?

2002 Ford Mustang V6 My car started having a new problem yesterday. When I drive down the road randomly the pedal loses rpm's. For instance I'll be going 40mph and then there is no resistance on the ...
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74 views

mitsubishi l200 power window issue

I´ll need some help with identifying some DTC´s, right front passenger power window got stuck, so I have made some diag checks, I have found this trouble code list but I am lost: U1507 LIN ...
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2answers
39 views

Manually starting MIL(Malfunction Indicactor Light)

I want to know how can i manually start my Malfunction Engine Light (Check Engine Light) ? i actually want to generate a DTC so that i can see it on a OBD Scanner. I know even altering or ...
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2k 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 ...
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1k 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 ...
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2answers
2k 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 ...
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1k 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 ...
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4k 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 ...