What was the Verdict on the Intermittent "Check Engine Light" Problem

[John Cody Forbes]

The CEL can come on intermittently for dozens of reasons. Common ones are knock sensors and vacuum leaks on the turbo cars. Did you pull the codes? That's a good start.

-Cody (mobile)

On Nov 24, 2010, at 7:30 PM, "mboucher70 at hotmail.com" <mboucher70 at hotmail.com> wrote:

> I recall reading many postings years ago concerning the 'check engine light' on the type 44's (late 80's to mid 90's?) coming on intermittently, and the cause was usually the oxygen sensor.  
> 
> Was the consensus that 
> a.) the oxygen sensors were failure prone and just needed to be replaced frequently or 
> b). the check engine lights/O2 sensors were overly sensitive and would flash on with small atmospheric changes or
> c.) something else
> 
> MC
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