k03s not meeting full boost (All Fixed)

[Myki da Pyki]

 

[ChrisCurzon]

Right so me and Danny have been trying to get a bit further with the boost issue on his car tonight, due to me and Mike getting are wires crossed on the removal of the N249 and N112 and what to do with the SAI intake it was done wrong the first time, so blocked off the SAI intake and unplugged the plug from the pump till Danny can get the blanking plate sorted so we can remove it properly, this made no difference at all

Then noticed a split vac line from the N75 to the charge pipe, changed this, again made no difference at all

Then tried to swopping my N75 with his to see if that changed anything, nothing at all!

So decided to try adjusting the actuator slightly to see if this had been adjusted in the past and was just wound in to far, but made no difference

Danny also wanted me to mention that the cars making a 'wooh' sound, its quite high pitched and happens when he lets off the accelerator, just curious as to what this is, as its a strange sound and never heard it before

Tomorrow when we have some light were gunna try and get some stuff checked, like looking at all the vac lines and intercooler to see if theres any leaks, any other ideas as to what we can try or swop with mine to see if theres a problem?

Any help would be great
Cheers

 

[DaNnY_LaD]

Thanks chris..

Yeah that wooh sound is like the turbo spooling up...ive got a metal tip so is it echoing inside? It sounds really good tho...
Once we did all that i came home and after a few booting sessions it went in to 5psi limp mode...So its gotta be a boost leak.

edit:
i just had a thought when i had my k03 fitted at 3krpm it used to hit 21psi on then instanly hold 10psi....You could just see the nipple on the gauge just drop so at 3.5krpm it was at 10psi...

So do you reckon its a boost leak then? as its hitting 15psi and holding 10psi and it sometimes holds 15psi..

 

[pj1985]

No need to unplug the SAI pump when doing removing the n249 and n112. Just block off the vac line. You need to go over all the pipes for a leak and get a new front lambda to see if that helps things.

 

[Myki da Pyki]

I wouldnt worry about the wooh sound your getting. You gota remember that everytime you touch anything big boost related its going to change the sound of the dump ect...

Id be checking for a boost leak now tbh

 

[DaNnY_LaD]

so its the pre cat lambda sensor that i need and i can get it from ecp and that will also help my mpg also. when i get back from hospital il check everything over take it all apart bit by bit 2 defo check it all how mua hot mu2h is a lambdap

 

[DaNnY_LaD]

tonight i changed the a few vac pipes as i had 2 joins in them and checked all the other pipes off and all seem fine...
Im getting around 18mpg on my computer now...So does the pre-cat lambda sort the fueling out as am gonna buy one from ecp..

Also ive got a resistor left and just bought the blanking plate for the egr valve....

 

[DaNnY_LaD]

Another note my exhaust is blowing slightly were the downpipe meets the rest of the middle section...

Just after the post cat sensor....

 

[Reuvers]

well again thats not good...

seems like you got quite some leaks..

how come its blowing there?

 

[ChrisCurzon]

Yesterday we logged Danny's car, we did a log of 114 as i know its to do with actual boost vs requested boost, not sure if anyone can look at this and see if it looks right or if anything seems to stick out.
We did try my dumpvalve just to rule that out but it was still the same, we did at maf reading as which was hiting 172 which seems a good figure considering it was only 5.5k rpm.
Doesn't seem to be any boost leaks, but would it be best to get it smoked tested so this can be ruled out 100%
Could be the map though as it hasn't been mapped for this turbo (still on Jabba stage one)
Danny also wants to know if running 95 ron petrol would affect it, as thats what hes using at the min

Group A:	'114			
	Load	Load	Load	Load
TIME				
STAMP	%	%	%	%
0.38	127.8	126.9	82.7	35.3
0.78	136.8	135.8	85	65.1
1.18	142.9	141.8	95.5	91.8
1.58	154.1	152.2	102.3	91
1.98	157.1	155.2	109.8	90.2
2.38	158.6	156.7	118.8	89.8
2.76	160.9	159.7	136.8	89
3.16	162.4	161.2	159.4	88.6
3.56	164.7	162.7	171.4	87.8
3.96	165.4	164.2	178.9	86.3
4.36	166.2	165.7	173.7	84.7
4.76	166.2	165.7	170.7	83.9
5.16	166.9	167.2	170.7	83.1
5.56	166.9	168.7	169.2	82.7
5.96	167.7	170.1	169.9	82.4
6.36	167.7	170.1	161.7	82
6.76	167.7	171.6	158.6	82.7
7.16	167.7	171.6	161.7	82.7
7.56	167.7	171.6	162.4	82.4
7.96	166.9	171.6	162.4	82.7
8.36	166.9	171.6	163.2	82.7
8.76	166.9	171.6	161.7	82.7
9.16	166.2	171.6	161.7	82
9.56	166.2	170.1	162.4	82.4
9.96	165.4	170.1	161.7	83.1
10.36	164.7	168.7	161.7	83.9
10.76	163.2	168.7	163.2	83.9
11.27	161.7	167.2	163.2	85.1

 

[DaNnY_LaD]

Just Put new Spark plugs and New fuel filter on...And am now using Tescos 99 and it feels and idles loads better but still isnt holding boost..

Ive just got my EGR blanking plate through the post this morning so am gonna Remove the EGR later on 2night...

Can anyone help with that log on chris post....Am gonna check all the FMIC pipes 2morro or later on 2night...

 

[__B3NNY__]

A log of 115 would be better, if your having a boosting issue.

N75 plumbed in correct?

 

[ChrisCurzon]

heres log of 115 and everything we did before still same now really.

Right we got Danny's car running finally tonight! But mani is blowing slightly but not bad, but going to change gaskets anyway. But hes only getting 13psi max boost did couple of quick logs to see if can see anything wrong but they all look fine to me, seems as though its running properly. Just want to see what you think.

I think its due to the leak in mani gasket, but what you think, here are the logs. Know there not good ones but just quick to see whats going on.

	Group A:	'118			
		RPM	Temperature	Load	Absolute Pres.
	TIME				
MARKER	STAMP	 /min	°C	%	 mbar
	0.01	1800	26	1.2	1140
	0.49	1880	24	1.2	1170
	0.89	1920	24	1.2	1190
	1.29	2000	24	1.2	1210
	1.69	2040	23	1.2	1230
	2.09	2160	23	52.9	1280
	2.49	2240	22	80	1420
	2.89	2360	21	88.6	1630
	3.29	2520	21	87.1	1880
	3.69	2640	21	85.5	2040
	4.09	2800	21	85.9	2070
	4.49	2960	20	85.1	2050
	4.89	3120	20	85.1	2020
	5.29	3320	20	85.1	2010
	5.69	3440	20	83.9	2000
	6.09	3600	20	83.9	1940
	6.49	3760	21	83.5	1920
	6.89	3920	21	83.5	1910
	7.29	4040	21	82.7	1890
	7.69	4200	21	82.4	1870
	8.09	4320	21	80.8	1830
	8.49	4440	21	81.2	1790
	8.89	4600	22	80.4	1790
	9.29	4720	23	81.2	1770
	9.69	4840	23	82	1780
	10.19	5000	24	82.4	1780
	10.61	5120	24	83.1	1770
	11.1	5240	24	84.7	1770
	11.48	5160	24	0	1480
	12	4960	23	0	1120
	12.4	4680	24	0	1070
	12.8	4520	24	0	1050
	13.2	4280	24	0	1040

	Group A:	'115			
		RPM	Load	Absolute Pres.	Absolute Pres.
	TIME				
MARKER	STAMP	 /min	%	 mbar	 mbar
	0.52	2400	81.2	1250	1370
	0.92	2480	89.5	1350	1310
	1.43	2600	130.1	1960	1530
	1.83	2720	154.1	1990	1850
	2.23	2840	157.9	2030	1980
	2.63	3000	160.9	2030	2020
	3.03	3120	163.9	2000	2010
	3.42	3280	167.7	1980	2010
	3.82	3440	166.2	1940	2000
	4.22	3560	157.9	1900	1930
	4.62	3680	157.9	1900	1900
	5.02	3840	157.9	1890	1900
	5.42	3960	157.1	1880	1880
	5.82	4080	154.1	1840	1860
	6.22	4240	153.4	1820	1840
	6.62	4360	152.6	1800	1810
	7.02	4480	151.9	1780	1790
	7.42	4600	151.9	1770	1780
	7.82	4680	153.4	1760	1780
	8.23	4840	155.6	1750	1780
	8.61	4920	157.9	1740	1790
	9.01	5080	157.1	1750	1760
	9.41	5200	158.6	1770	1770
	9.81	4760	27.8	1000	1480
	10.21	3920	9	1000	1150
	10.61	3880	6	1000	1070

	Group A:	'002			
		RPM	Load	Inj. On Time	Mass Flow
	TIME				
MARKER	STAMP	 /min	%	 ms	 g/s
	0.01	2120	65.4	8.2	29.11
	0.4	2200	78.2	9.43	38.08
	0.8	2280	99.2	11.07	46.72
	1.18	2360	120.3	14.76	60.33
	1.6	2480	142.1	19.27	73.64
	2	2600	154.9	20.5	79.92
	2.4	2760	165.4	21.73	89.53
	2.8	2920	162.4	21.32	90.03
	3.2	3080	164.7	21.73	96.08
	3.6	3240	166.9	22.14	102.14
	4	3400	169.2	22.55	108.86
	4.4	3520	161.7	20.91	106.19
	4.8	3520	24.1	1.64	3.61
	5.2	3440	9.8	1.23	4.64
	5.6	3440	6.8	1.23	3.83
	6.01	3440	90.2	13.12	73.47
	6.49	3600	151.1	20.5	110.14
	6.89	3760	155.6	21.32	116.64
	7.29	3920	157.9	21.73	118.89
	7.79	4080	157.9	22.14	122.17
	8.3	4240	157.9	22.14	126.89
	8.7	4400	155.6	21.73	129.94
	9.1	4520	154.9	21.73	134.67
	9.48	4640	152.6	21.32	135.22
	9.9	4800	154.1	22.14	140.44
	10.3	4920	156.4	22.55	146.72
	10.68	5040	158.6	22.96	153.92
	11.08	5200	157.9	23.37	157.69
	11.5	5320	158.6	22.96	162.69
	11.88	5120	15.8	1.64	8.58

 

[DaNnY_LaD]

im hitting 18psi on the gauge then holding 10-13psi

 

[DaNnY_LaD]

anyone?

 

[ian_cupra]

you still got lamda fault? mine went into limp mode when i had a problem with lamdas

 

[pj1985]

Better logs of 115 through 3rd and then 4th gear would be good.

 

[DaNnY_LaD]

pj so start a 3krpm then till 6krpm then change to 4th till about 3krpm?

Ive replaced all me vac lines and check my fmic pipe work over and all is fine...will do them logs 2night

 

[pj1985]

Start as low down the revs as you can and go to 6k rpm and then change gear and go to 6k rpm again

 

[DaNnY_LaD]

Ok will do them 2morro wen i go up curzons..

Today i bought all new vac hoses...So there was no Joins ect in the system and 2night when i was driving it that wooh sound is really loud...Louder than it was before...Its like a like a Pigeon and defo coming fron the turbo as it only happens if i parly rev it then let go then same again...Il try and get a vid of the sound...

Part of me is thinking my Tip isnt on correctly if this wasnt on right and sucking air in past the maf As in near my 90degree elbow on my ATP would that cause my boost issue...

but look more in to it once daylight is here...


If i hammer it in 1st 2nd 3rd it hits 15psi and holds at 10psi and if am plodding along in 4th or 5th and put Do WOT if hits 19psi on the gauge and holds at 15psi..