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AV 01-14-2000 08:27 PM

I just purchased a 1988/ 300E with 134000km
(78000miles) and notice the check engine light comes on intermittently when idling and goes off one the car runs for a couple of minutes.Any suggestions?
I am told it could be O2sensor???
Are there generic O2sensors that can be used?
Also need a cd rom version of repair manual??
Thankyou for the input.

Plant 01-14-2000 11:15 PM

Hi,
It sounds like an O2 sensor to me, also. That was the only input that would turn the check engine light on and off at times other than a possibly faulty CIS-E (fuel computer) control unit, but that is very rare. I would suggest using a factory Mercedes-Benz O2 sensor for best results. Good Luck!

Jim LaPlant
Factory Trained Mercedes-Benz Technician

mbdoc 01-15-2000 08:52 AM

There are many grades of O2 sensors, stay w/BOSCH. This car uses a 3-wire sensor & the wires can be spliced w/care. If your car is a California version then there are other possibilities.

Benzmac 01-15-2000 09:08 PM

We are getting more of the CD's in...We sold all of them in one day!

------------------
Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM




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