190e o2 Sensor Check Engine Light

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190e o2 Sensor Check Engine Light

01-29-2013, 02:07 PM

tommyp

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Join Date: Sep 2012

Posts: 9

190e o2 Sensor Check Engine Light

I have been dealing with a check engine light on my 1991 190e 2.3 for a while now.
It is a California car so I can check the blink code light under the hood which always reads 5 blinks, meaning a problem with the o2 sensor.
I have replaced the o2 sensor and also its cracked exhaust manifold but still no luck. Anyone have an idea what could be the problem?

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