Hi all and best Regards from Luxembourg


let me describe my problem with my V60


Currently I've a VOLVO V60 T4F (Flexifuel ) 132 kw. 1600ccm


The Car dealer nearly get mad, they don't find the error.


what happens.
When the car is off over night of switched of for a longer time with a cold engine, the engine start makes problems.
Means the engine starts immediately but then I get random misfires (Error P300) the MIL is flashing but it's not on steadily.
after 20seconds the error is gone and the engine runs fine.
But when I start and push the throttle a bit more than 2000rpm the error doesn't sometimes even come up.
IMPORTANT: The error doesn't come on LPG only on regular fuel, but in the cold start phase you must drive on regular Fuel.




The following works have been done.
- 2 coils replaced
- fuel injectors checked and cleaned with ultrasound
- spark plugs all ok
- compression excellent
- MAF replaced (problem still persists)
- Checked for Air Leaks (all ok)


the Long term Fuel Trims where at +19%
they are now back to normal means -1% After a 300km Highway drive.


Has somebody had already such an issue?


the mechanic told me the it could be probably somewhere in the Fuel Supply circuit.


means Fuel Pump - High pressure pump
Rail Pressure valve or Rail pressure sensor.


somebody can help?


Best Regards


Frederic
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When the injectors were checked did they check them for leaking?

How is the coolant level? Is it dropping?

 

Coolant level was dropping 7000km ago. VOLVO Check and made a pressure test . but there was all ok. The Injectors had been removed and physically checked as part of the fault search. Also all working fine.


ECU ?? Probably
Temperature sensor?