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Check engine light and the codes

3366 Views 2 Replies 2 Participants Last post by  hachemjean, 
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Check engine light
I really need help here before I give up on the car. 49000 miles. I just drove 130 miles straight got 26 miles per gallon . And it's driving perfectly . Rarely I notice poor idling nothing major . Here are the codes they I just pulled after driving for two hours . ( oxygen sensors are brand new I relaced them already )

P2237 o2 sensor positive current control open bank1 sensor 1

P2004 intake manifold runner control stuck open bank 1

P0030 ho2s heater control circuit bank1sensor1

P0050 ho2s heater control circuit bank2 sensor 1

P2237 o2 sensor positive current control cuircuit /open bank 1 sensor 1

P2004 intake manifold runner control stuck open bank 1

P0050 ho2s heater control circuit bank2 sensor 1

P0606 Ecm/pcm processor

P2240 o2 sensor positive current control circuit/open bank2 sensor1
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hachemjean said:
Check engine light
I really need help here before I give up on the car. 49000 miles. I just drove 130 miles straight got 26 miles per gallon . And it's driving perfectly . Rarely I notice poor idling nothing major . Here are the codes they I just pulled after driving for two hours . ( oxygen sensors are brand new I relaced them already )

P2237 o2 sensor positive current control open bank1 sensor 1

P2004 intake manifold runner control stuck open bank 1

P0030 ho2s heater control circuit bank1sensor1

P0050 ho2s heater control circuit bank2 sensor 1

P2237 o2 sensor positive current control cuircuit /open bank 1 sensor 1

P2004 intake manifold runner control stuck open bank 1

P0050 ho2s heater control circuit bank2 sensor 1

P0606 Ecm/pcm processor

P2240 o2 sensor positive current control circuit/open bank2 sensor1
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Did you reset the fault codes after replacing the sensors ? If not the ECU will need to see a certain number of clear cycles before deleting the fault codes.

Regards Stuart.
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I did reset, cel came back on . Mercedes benz reseted the light and it came back on. Do i start believing that my ecu is bad or not yet ?
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