[s-cars] Still on 4 cylinders...

[chris chambers]

I don't see how its the engine, so that leaves electrical, and fuel.
And because it sounds like you have pretty thoroughly
checked the electrical I'd check the fuel throughly.

Have checked your fuel injectors? You might have an injector
that is gummed up (technical term there) and needs to be warmed
up before it will spray enough fuel.

Do you have spare injectors in your other engine, swap over
an injector. If you don't have any spare injectors let me know,
I think I still have my used stock ones lying around here.



Good luck
Chris

--- AUDIJIM at aol.com wrote:

> S-heads,
> 
> Here's a new one for you. I changed the oil in my S4. I used an OE
> Audi 
> filter and Mobil 1 15-50. Now the car runs worse than it did before I
> changed the 
> oil. It used to run on 4 cylinders as soon as you start it. Actually,
> it starts 
> on 5 and then drops #4 until it warms up a bit and them hits on all
> 5. Now it 
> runs on 4 for a lot longer duration than it used to. I'm seriously
> thinking 
> of swapping another AAN I have on a stand into the car over Christmas
> break 
> from work. I have off from the 24th through 03 JAN. I'll swap over
> all the RS2 
> stuff and see what happens. I'm at a total loss here for this
> problem. I'm 
> either tracking down a cylinder/piston problem or a cylinder head
> problem at this 
> point. What throws me for a loop is the starting on 5 cylinders and
> always 
> dropping #4. Even when I run the car on 4 cylinders, it starts to
> even out over 
> 3000 RPM. But I think it's only feeling like it is, as soon as I
> shift up, the 
> RPM drops and I feel the missing cylinder. Back to the beginning, how
> could an 
> oil change effect the running condition so much? I do not know what
> viscosity 
> the previous owner used, and this was my first oil change since I
> purchased 
> the car.
> 
> Jim
> _______________________________________________
> S-CAR-List mailing list
> S-CAR-List at audifans.com
> http://www.audifans.com/mailman/listinfo/s-car-list
> 


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