Re: Check Engine?

[Jeff Donnelly <jeff@bewired.com>]

Tom:

The blinking lights directed me to the O2 sensor only. The best of my
knowledge the electrical connections (including grounds) are in proper
condition.

Jeff


>    The first thing I'd do is pull the codes after the event without
>shutting off the motor. Could be one of a dozen different things, but it's
>transient behavior leads me to suspect a marginal ground or connector
>somewhere. Let us know what you get for codes.
>
>Tom Nestor
>
>
>>I am looking for some collective wisdom on a recent annoyance that I am
>>having on the 91 200 TQ.  The check engine light is coming on sporadically
>>with no apparent rhyme or reason.
>>
>>I switched the O2 sensor and still have the same problem.  When the light
>>comes on it usually only stays on for 5 or so seconds then goes off.  I am
>>presently ignoring the problem but would like to fix it.  Any ideas??
>>
>>TIA
>>
>>Jeff Donnelly, Dragon wagon
>>
>
>