• Guest would you be interested in CUPRA or SEAT valve caps? let us know in the poll

  • Welcome to our new sponsor Lecatona, a brand dedicated to enhancing performance for VAG group sports cars, including SEAT, Audi, Volkswagen and Škoda. Specializing in High Pressure Fuel Pump (HPFP) upgrades.

goosed maf i think

harty190486

POWER!!!
Dec 29, 2008
349
0
staffordshire
I think my maff sensor is goosed its gone from getting great readings to reading that are all over the place :cry: ,have a look and see what you all think, car just doesnt feel good 1st time i have drove it all week, the maff has been on since the car was made

Code:
Saturday	21	November	2009	13:38:27						
1ML 906 032 A		1.8l R4/5VT         0001								
										
	Group A:	'002				Group B:	'020			
		RPM	Load	Inj. On Time	Mass Flow		Idle Stabilization	Idle Stabilization	Idle Stabilization	Idle Stabilization
	TIME					TIME				
Marker	STAMP	 /min	%	 ms	 g/s	STAMP	 CF	 CF	 CF	 CF
										
	91.14	2720	160.9	14.28	95.81	90.72	0	0	0	0
	92.03	3040	191.7	20.74	126.67	91.54	0	0	0	0
	92.85	3280	191.7	18.7	121.08	92.43	0	0	0	0
	93.74	3600	191.7	18.7	139.81	93.34	0	0	0	0
	94.54	3840	188.7	18.7	140.28	94.14	0	0	0	0
	95.45	4080	191.7	18.7	152.47	94.96	0	0	0	0
	96.25	4320	191.7	19.38	161.17	95.85	0	0	0	0
	97.07	4560	188.7	18.36	163.92	96.65	0	0	0	0
	97.87	4760	191.7	18.7	184.22	97.47	0	0	0	0
	98.67	5000	185.7	18.02	182.44	98.27	0	0	0	0
	99.49	5240	191.7	18.36	189.06	99.07	0	0	0	0
	100.29	5400	191.7	19.72	198.92	99.89	3	0	0	0
	101.09	5640	191	18.7	201.36	100.69	3	0	3	0
	101.89	5800	190.2	18.7	206.25	101.49	3	0	3	0
	102.8	6000	181.2	18.02	204.92	102.3	2.3	0	2.3	0
	103.6	6160	169.2	17	211.25	103.2	2.3	0	2.3	0
	104.41	6280	171.4	18.7	205.42	104	1.5	0	1.5	0
	105.31	6440	172.9	19.04	206.92	104.91	1.5	0	0	0
	106.32	6640	165.4	16.32	211.25	105.82	0.8	0	0	0
	107.23	6760	160.9	15.98	208.25	106.72	0.8	0	0	3
 

james walker

cooling is the key people
May 24, 2007
5,121
2
retford notts
lcr damo, he had the jetex filter that caused everone to buy one, maf readings were circa 225gs on hisprevious logs iirc.

maf readings still look ok to me, but were higher.

few correction factors as the maf readings dip a little.
 

harty190486

POWER!!!
Dec 29, 2008
349
0
staffordshire
lcr damo, he had the jetex filter that caused everone to buy one, maf readings were circa 225gs on hisprevious logs iirc.

maf readings still look ok to me, but were higher.

few correction factors as the maf readings dip a little.

heres the log from before
Code:
Sunday	8	November	2009	14:31:33						
1ML 906 032 A		1.8l R4/5VT         0001								
										
	Group A:	'003				Group B:	'020			
		RPM	Mass Flow	Load	Ign. Timing		Idle Stabilization	Idle Stabilization	Idle Stabilization	Idle Stabilization
	TIME					TIME				
Marker	STAMP	 /min	 g/s	%	 °BTDC	STAMP	 CF	 CF	 CF	 CF
	0	2280	40.56	48.2	22.5	0.42	0	0	0	0
	0.82	2400	60.81	98.4	14.3	1.22	0	0	0	0
	1.71	2720	98.11	100	3	2.11	0	0	0	0
	2.53	3040	110.67	100	0.8	3.02	0	0	0	0
	3.42	3440	126.03	100	5.3	3.82	0	0	0	0
	4.22	3760	142.5	100	7.5	4.64	0	0	0	0
	5.04	4120	152.61	100	10.5	5.44	0	0	0	0
	5.84	4480	165.5	100	12	6.24	0	0	0	0
	6.64	4800	166.86	100	12	7.05	0	0	0	0
	7.55	5160	186.19	100	13.5	8.05	0	0	0	0
	8.46	5440	202.97	100	14.3	8.86	0	3	0	0
	9.36	5760	207.22	100	12	9.87	0	3	0	0
	10.27	5960	207.22	100	14.3	10.67	0	2.3	0	0
	11.18	6120	209.56	100	16.5	11.57	0	0.8	0	0
	11.98	6240	216	99.6	15.8	12.38	0	0.8	0	3
	12.78	6400	212.61	100	17.3	13.18	0	0.8	0	3
	13.58	6520	216.36	97.3	12	14	0	3	0	5.3
	14.4	6640	194.94	49.4	18.8	14.89	0	3	0	5.3
 

james walker

cooling is the key people
May 24, 2007
5,121
2
retford notts
there aint much difference there mate, whats the temp like compared to before?

i wouldnt be worried on maf there. you noticed any running issues?
 

harty190486

POWER!!!
Dec 29, 2008
349
0
staffordshire
there aint much difference there mate, whats the temp like compared to before?

i wouldnt be worried on maf there. you noticed any running issues?

its probably about 4-5 degrees warmer it just doesnt feel as quick b4 it felt like it would rip your face off and now it a bit tame but looking at the time stamp it takes forever to get up there now and was quite quick b4
 

harty190486

POWER!!!
Dec 29, 2008
349
0
staffordshire
try unplugging it then mate. sure its not you getting used to it. log looks good to me.

anything different to last time...
Just unreversed my dv so its the propper way round now surely that cant make a difference except it doesnt sound as good now :(
I might just order a new maff, new n75 then nothing can be wrong then fit my fmic and hopefully it will be better
 
Chris Knott Insurance - Competitive quotes for forum members