boosting funny

[Seat Gooner]

hello everyone,

Got a strange boost problem at the min normally it would stay at 1.0 bar at peak

But sometimes when driving it will get stuck at 0.5 but if you turn the ignition on and off it will go back to normal (while driving)

im thinking its a n75 or maybe tip that’s causing this?

I checked vag-com and got a check dv code but i think thats to do with the kompact i have on

Thanks in advance

 

[Phillc]

Thats limp mode, happened to me a few times checked vagcom no codes, no idea what caused it.

 

[turbin]

I call temp sensor

 

[Seat Gooner]

hmmm poxy thing it does it quite allot temp sensor ayy well i didn’t think of that and they aint expensive

Thanks for the replies

 

[Gooner_Mike]

Can't comment on your problem but... I like your username! Crap result tonight...

 

[Seat Gooner]

lol tell me about it two defeats in a row this aint good but keep the faith

 

[Gooner_Mike]

lol tell me about it two defeats in a row this aint good but keep the faith

In Arsene we trust!

 

[turbin]

hmmm poxy thing it does it quite allot temp sensor ayy well i didn’t think of that and they aint expensive

Thanks for the replies

sorry, didn't understand most of that sentence...

 

[Seat Gooner]

wooops sorry lol i was watching football i will say again

the drop in boost is frequent, i never thought of the temp senor and it would be a good result as these aint very expensive

 

[turbin]

oh ok

I had similar problem when I left the car overnight in the cold it would sometimes go into limp next morning. No warning light. Problem has gone away after I changed the temp sensor.

You might see the temp sensor code if you have vag-com.

 

[Seat Gooner]

i checked with vag tonight and no code on temp sensor

Do you lose much water when changing one ?

 

[turbin]

nah, it could have been nothing but I opened the reservoir when I had the temp sensor out "just to see" ...

so, I spilled a little. Just do it while its cold and keep the reservoir closed and you'll be in good shape.

 

[turbin]

oh you have a DV code. There's your problem...

 

[Seat Gooner]

hmmm it quoted pressure drop between turbo and dv check dv!!

 

[Phillc]

I have always had that code, i have changed all the pipes now and i mean all and i STILL have it

 

[sambryant]

your dumpvalve is lossing pressure. i had this problem. the problem was caused as i had a forge split r dv, it was running part atmosphiric and part recirculating. i then made it fully recirculating and the problem was gone.

 

[Phillc]

your dumpvalve is lossing pressure. i had this problem. the problem was caused as i had a forge split r dv, it was running part atmosphiric and part recirculating. i then made it fully recirculating and the problem was gone.

I have had two Forge 007's and still had the code with both

 

[Seat Gooner]

hmmm i had my kompact on for a wile and had no problems i wonder if making it tighter would help

I only swapped to the 007 to test, then back to the kompact and now i have a problem :S

 

[Seat Gooner]

maybe the n75 valve is playing around ? this causes boost problems