[W126 Coupe] check engine light is on

[Jay Hirsch]

May be  the "check engine light"

have you checked oil level?

what is anti-freeze level?
On Aug 15, 2011, at 5:26 PM, Gary wrote:


> any thoughts   1991 560 sec 140k miles

>  

> in the past 2 months i've done some work i.e.

>  

> new fuel pumps

> fuel accumulator

> fuel filter

> fuel pressure regulator

> fuel injectors with seals

> spark plug wires beru

> spark plugs ngk

> cap and rotor

>  

> can't imagine any of these setting off the engine light.  someone told me to check the O2 sensor but i don't know how.  don't know how to use a meter.  the thing is i replaced the sensor about 1 year ago along with the fuel distributor.

>  

> could the sensor go out?

>  

> what else could it be? 

>  

> thanks for the help

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