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RWD - Slow Cold Start, 1992 Volvo 940 Rex Regina, Normally Aspirated

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Slow Cold Start, 1992 Volvo 940 Rex Regina, Normally Aspirated 900 1992

The question I have is whether the oxygen sensor could be the root cause of my slow start (long 4 second crank) problem, or a significant contributor? Would an open from the O2 sensor provide an incorrect resistant to the computer and cause a long crank?

I am now getting the following Regina Fuel Injection Fault Codes:
2-2-1 = Oxygen Sensor not operating
2-3-2 = Self Adjusting Oxygen Sensor not operating






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New 1 Slow Cold Start, 1992 Volvo 940 Rex Regina, Normally Aspirated [900][1992]
posted by  VKR  on Sat Nov 18 16:18 CST 2017 >

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