Technical > Engine and Transmission

Problem with gas fumes

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Alexiskayak_7:
My G40 can not pas the gas testing at 2500rpm (it's runing rich) but in idle is great... First of all i've changed the blue temp sensor and i cleaned the injectors...
Is there a possibility 1) The lamda sond is broken?
                                 2)Fuel pressure regulator broken?
                                 3)Co sensor broken?
                                 4)MAP senor?
                                 5)Problem in ECU?
                                 

Do you have any idea what may be wrong???

PeteG40:
1. is probably the cas

3. set co2 sensor to 550 ohms

Alexiskayak_7:
What is cas???

PeteG40:
sorry - probably the case, the problem. (mistyped)
lambda probe can be seen working with an air fuel ratio meter

Alexiskayak_7:
I've checked with gas analyzer and the λ seems not to be steady at measures (it's going up and down, from 1.06 to 0.963)

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