Too low fuel level generates diagnostic trouble code P1149
Symptom: CHECK ENGINE lamp on
Engine in Limp Home.
A/C relay closed (the cooling does not work)
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Too low fuel level generates diagnostic trouble code P1149
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Fault symptom
CHECK ENGINE lamp on
Engine in Limp Home.
A/C relay closed (the cooling does not work)
Criteria
Injection setting is incorrect. Injection takes place too late.
Diagnostic help
One or more of the trouble codes have been set due to incorrect software version.
Procedure
Diagnostic trouble code P1149 occurs in many cases because air has entered into the fuel line due to the fuel level in the tank being too low. It can also be due to leakage in the fuel system. Consequently the following fault diagnosis is carried out:
1.
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Find out whether the car has been driven until out of fuel on the latest occasion. Check the fuel level and fill if necessary.
Clear the diagnostic trouble code and test drive the car. If the fault remains then continue with the following.
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