MIL and misfiring

[MrMickS]

Hmm. If it's not one thing it's another. Normal driving and heading home started to feel a little rough cruising. Bong and MIL light started flashing. Limped the few hundred metres home. With the window down sounded terrible. Not the lovely smooth V6 but more tractor like as if it was struggling to turn the crank over.

Maserati Assist called and collection arranged for tomorrow morning. Hopefully it'll be something simple this time.

Doesn't help that I'm heading to France for the week tomorrow. Still it'll keep me busy.


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[BennyD]

If I was you, I'd get rid of the Mother-In-Law light as that sounds a complete paininthearse.

 

[MrMickS]

That's was the light is for!!


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[MrMickS]

Its now in the workshop but behaving itself, no warning lights, running on all cylinders. It'll get a look at and will see if they can find what triggered the issue. Speaking to Service it sounds as though the car went into limp home mode.

 

[P R]

I was told the car should log its faults, so they should still be able to get fault codes etc?

 

[MrMickS]

I'm hoping that's the case and it will be something simple.


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[conaero]

Had you recently fuelled?

 

[MrMickS]

Had you recently fuelled?

Yes. I'd just topped the tank up. I'd maybe gone 5 miles before it started playing up.

 

[MrMickS]

Turns out I was wrong with this. I'd not driven much but had filled up Friday so probably used a quarter of a tank since then.

 

[Rex B]

Have heard of instances where Jaguars have gone into limp mode because of issues with using supermarket fuels, trust you use branded fuel.

Rex B

 

[MrMickS]

It depends on where I am. I'm not that picky. Though if this is what it turns out to be I shall be.

 

[conaero]

Have heard of instances where Jaguars have gone into limp mode because of issues with using supermarket fuels, trust you use branded fuel.

Rex B

That was my thinking, sometimes water gets in the fuel too.

 

[MrMickS]

What I had done was clean the car. The flap was shut whilst cleaning so I wouldn't have thought that water could have got in. I did open the flap and dry the excess water collected there before moving off as well.

 

[conaero]

What I had done was clean the car. The flap was shut whilst cleaning so I wouldn't have thought that water could have got in. I did open the flap and dry the excess water collected there before moving off as well.

It would not have been that, more the water sits in the tanks at the filling station but its more likely to be duff fuel. I take it the tank was not drained when you filled up, hence why it took a quarter of a tank to show up?

 

[MrMickS]

It would not have been that, more the water sits in the tanks at the filling station but its more likely to be duff fuel. I take it the tank was not drained when you filled up, hence why it took a quarter of a tank to show up?

The tank was about 1/3 full when I filled up. I don't like to take it to the bottom unless I can't avoid it. It would explain it though. What's the fix? Drain the duff fuel and refill?

 

[safrane]

But if running fine at the dealers??? unless they purged the fuel lines?

 

[MrMickS]

Talking to the service chap he just drove it to the front of the building and into the workshop. This was prior to them looking at it.


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[conaero]

The techs will work it out. What fuel brand did you put in it?

Of course this might not be the issue just thinking out loud.

 

[MrMickS]

Jet for the last one previous was BP.


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[outrun]

My Ghibli did this Mick. It was also suspected to be bad fuel. I turned it off for a while, re-started and then filled with super unleaded and the fault never came back. Dealer found no codes.