Breakdown - Petrol FSI 2005

[patomlin76]

So driving back from church this morning, coming onto a slip road I had the EPC light and ESP light come on at the same time.

Engine went into limp mode, and sounded like a bag of nails. The AA diagnosed as P2101 Throttle Actuator.

I've heard various reports about recurring problems and MAF sensors but hoping that this is the definite cause of the problem.

Car going to a specialist tomorrow, anyone how many notes I'm looking at for a throttle body?

Cheers


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[DSG4ME]

THe part is around £250 iirc, might be cheaper at a motor factors, assuming we are talking about the same thing.

Try this Pat http://www.eurocarparts.com/

[patomlin76]

Thanks, it also appears that a lot of the time this fault can be fixed rather than repaired. Obviously I'd prefer the former, but I'll wait to see what the independent says. I'm also confident they'll suggest the cheapest route for me rather than ripping me off...


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[patomlin76]

Update to the situation...

Left the car while we went out for Mother's Day lunch. Got back and all errors and warning lights had gone. Engine sounded fine, so this is certainly an intermittent problem. However I now have a very random airbag fault message, just come out of the blue.

Something tells me the car is having a hissy-fit, and there's not much I can do about it except get it to a garage. Extremely annoying to now have to find alternatives to work and how to get the car to the indy in the first place!!

Paul

[Crasher]

I would suggest a proper code read that gives us the VAG fault code number first. It could be the throttle body or the accelerator pedal which is a common failure.

[patomlin76]

Cheers crasher, do you think then that the airbag fault is coincidental and just so happened to occur today? Last time that happened the connectors were checked under the seats and the code cleared.

Not sure what light is going to pop up next!!

Finally is it a sensor on the pedal or the pedal itself?

Cheers again


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[Crasher]

The sensor and pedal are all in one and quite troublesome. I imagine the air bag light is a coincidence and will go away with a code read/clear.

[patomlin76]

I picked up the car from the garage.

He picked up the following codes on VCDS:

P1570 Engine control unit blocked
P1545 Throttle control unit malfunction
01218 Side Air Bag squib circuit passenger side above upper regulation
00532 voltage supply voltage below regulation

He said all faults I'd experienced were intermittent, nothing needed looking at immediately. Also, he suggested that maybe the battery will need replacing at some point. It is still the original 7-year old battery. Am I right in thinking that lower than required voltage can kick up errors such as steering column and what I have been experiencing?

I am really surprised that no faults were present for the steering column lock warning lights i had been having. Makes me wonder whether there is any problem with it at all, or whether it's connected to lower than required voltage supply.

Hope one of you more technical minded can shed some light? Car is running perfectly now, and has been since the limp mode incident.

Thanks for any help.

[ToMBoY_C]

I get the impression these cars are very sensetive to Voltage, I left the ignition and headlights on for some time once, I was stood about and no-one was near the car when the dash started to go mental, Hand Brake Fault was the main one, went to start the car and it was dead! Anyway new battery and now the only light that keeps pinging up is "Please Refuel" lol

[mhurer]

I had a similar problem - 3 faults all related to low voltage (passenger door control module - low voltage, driver door control module - low voltage, throttle actuator control - low voltage). All occured after car left standing for a couple of weeks on my drive during winter, and all seemed to clear themselves. Not come back since, so put it down to components being sensitive to slightly low voltages!