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rockmkivgti · 10-26-2008, 06:22 PM

ok guys i need help. i have a problem when i am driving. my fuel seems to cut in sperts. at full throttle im not getting the response that i was when i first got my chip. if i let off the gas slightly..i mean hardly noticeable, it starts to add more fuel and feels right..meaning it acts right. i dont know i have tried a lot of stuff...maybe its the coil packs..and today when i hit hard it cut out bad like my spark plugs or something f*cked up..someone please help me.

El Brando · 10-26-2008, 06:51 PM

Any CEL? Ive heard some MKVs have a TSB or recall on the fuel pressure sensor. If you are getting an intermintent CEL, I think thats more indicitive of coil packs, but you should get the codes read regardless. VAG-COM is best but you can also go to most auto parts stores and theyll read the code for free. You write down the code or codes, then google search them or search them on vwvortex. Good luck! Keep us posted too.

I didnt see you have a MKIV till after I posted, but maybe it could still help!

rockmkivgti · 10-26-2008, 07:02 PM

i have no cel's and i have been blowing some coils.. but it isnt miss firing right now but under load it seems like it could be missing under load.

CMAK · 10-26-2008, 09:19 PM

gotta love vw electrical ey about as good as the service imao

volcano · 10-26-2008, 10:30 PM

could be your TP sensor has a short at WOT.

rockmkivgti · 10-26-2008, 11:28 PM

tp

sorry not sure bout wat that is

im thinking throttle positioning sensor... i dont know because when i hold it down sometimes it starts acting like maybe its fuel filter because of how it acts. picks up the flattens out picks up flattens out..im stumped

Jyden · 10-26-2008, 11:37 PM

Honestly, get it vagged. Whether or not there's a CEL, it'll still read what's going on in the car and that may point you at least in some direction.

southernGTI · 10-27-2008, 12:40 AM

I would get it scaned for sure. Being that it is throttle variant, it may be the TPS (throttle postioning sensor) or the sensor on the pedal its self its acting up. Scan tool should show you whats going on

rockmkivgti · 10-27-2008, 06:40 PM

yeah i changed spark plugs to the iridium ngk's today..slight difference. still something is wrong..

rockmkivgti · 10-28-2008, 07:27 PM

ok everyone..i have figured out the problem. it should have been done before anything. the throttle body was filthy. so i cleaned it out with cleaner and it is like a bullet now..hooray for me!!!! thanks guys!! so if anyone experiences slight hesitation and feels like they cant figure it out...try cleaning everything in the intake system, because obviously oil is in the system and it gets to the intercooler and then in turn gets to the throttle body. so i think thats right..lol

southernGTI · 10-28-2008, 07:49 PM

sounds good. You can look for BG products at a local dealership or mechainc shop and have the fuel injection service done. It will clean the intake, valves, throttle body, etc from oil and dirt deposites. works very well. I must run 3-4 a day and the results are always good. Also known as a 3-step. BG is the best one out there IMO

10-26-2008, 06:22 PM	#1
rockmkivgti Dubster Join Date: Jan 2008 Location: hampton roads, VA Posts: 171	full throttle problem ok guys i need help. i have a problem when i am driving. my fuel seems to cut in sperts. at full throttle im not getting the response that i was when i first got my chip. if i let off the gas slightly..i mean hardly noticeable, it starts to add more fuel and feels right..meaning it acts right. i dont know i have tried a lot of stuff...maybe its the coil packs..and today when i hit hard it cut out bad like my spark plugs or something f*cked up..someone please help me. __________________ back to stock clutch, new tranny, Neuspeed lowering springs, borla catback exhaust with cap for open DOWNPIPE, ECS N75, EIP short shifter, stubby antenna, smoked front and side marker lights, matching eyelids, new tailights,euro headlight switch... custom painted engine cover. forge 004 blow off valve, new south boost gauge, 17inch Rial Nogaros 2 inch lip 235/40/17 HTZ+sumitomos,unitronic stage II+ chip 23 psi.

10-26-2008, 06:51 PM	#2
El Brando Jedi Dubber Join Date: Feb 2008 Location: Fairfield, Ohio Posts: 311	Re: full throttle problem Any CEL? Ive heard some MKVs have a TSB or recall on the fuel pressure sensor. If you are getting an intermintent CEL, I think thats more indicitive of coil packs, but you should get the codes read regardless. VAG-COM is best but you can also go to most auto parts stores and theyll read the code for free. You write down the code or codes, then google search them or search them on vwvortex. Good luck! Keep us posted too. I didnt see you have a MKIV till after I posted, but maybe it could still help! Last edited by El Brando; 10-26-2008 at 06:53 PM.. Reason: Didnt read OP's SN

10-26-2008, 07:02 PM	#3
rockmkivgti Dubster Join Date: Jan 2008 Location: hampton roads, VA Posts: 171	Re: full throttle problem i have no cel's and i have been blowing some coils.. but it isnt miss firing right now but under load it seems like it could be missing under load. __________________ back to stock clutch, new tranny, Neuspeed lowering springs, borla catback exhaust with cap for open DOWNPIPE, ECS N75, EIP short shifter, stubby antenna, smoked front and side marker lights, matching eyelids, new tailights,euro headlight switch... custom painted engine cover. forge 004 blow off valve, new south boost gauge, 17inch Rial Nogaros 2 inch lip 235/40/17 HTZ+sumitomos,unitronic stage II+ chip 23 psi.

10-26-2008, 09:19 PM	#4
CMAK GTI Master Join Date: Nov 2007 Posts: 889	Re: full throttle problem gotta love vw electrical ey about as good as the service imao

10-26-2008, 10:30 PM	#5
volcano GTI Master Join Date: Mar 2008 Location: Bridgeport, CT & Bronx, NY Age: 24 Posts: 4,926	Re: full throttle problem could be your TP sensor has a short at WOT.

10-26-2008, 11:28 PM	#6
rockmkivgti Dubster Join Date: Jan 2008 Location: hampton roads, VA Posts: 171	Re: full throttle problem tp sorry not sure bout wat that is im thinking throttle positioning sensor... i dont know because when i hold it down sometimes it starts acting like maybe its fuel filter because of how it acts. picks up the flattens out picks up flattens out..im stumped __________________ back to stock clutch, new tranny, Neuspeed lowering springs, borla catback exhaust with cap for open DOWNPIPE, ECS N75, EIP short shifter, stubby antenna, smoked front and side marker lights, matching eyelids, new tailights,euro headlight switch... custom painted engine cover. forge 004 blow off valve, new south boost gauge, 17inch Rial Nogaros 2 inch lip 235/40/17 HTZ+sumitomos,unitronic stage II+ chip 23 psi. Last edited by rockmkivgti; 10-26-2008 at 11:34 PM.. Reason: thought bout the acronym..

10-26-2008, 11:37 PM	#7
Jyden Jedi Dubber Join Date: Jun 2008 Location: Nashville Posts: 485	Re: full throttle problem Honestly, get it vagged. Whether or not there's a CEL, it'll still read what's going on in the car and that may point you at least in some direction. __________________ Sweet baby Jesus...

10-27-2008, 12:40 AM	#8
southernGTI VDubber Join Date: Aug 2008 Location: Jackson Mississippi Age: 31 Posts: 60	Re: full throttle problem I would get it scaned for sure. Being that it is throttle variant, it may be the TPS (throttle postioning sensor) or the sensor on the pedal its self its acting up. Scan tool should show you whats going on __________________ 08 GTI-daily driver, so stock its boring..... 94 rx7- 13b half-bridge single 78 Z28-blown 355 04 CBR 600RR- stretched and lowered

10-27-2008, 06:40 PM	#9
rockmkivgti Dubster Join Date: Jan 2008 Location: hampton roads, VA Posts: 171	Re: full throttle problem yeah i changed spark plugs to the iridium ngk's today..slight difference. still something is wrong.. __________________ back to stock clutch, new tranny, Neuspeed lowering springs, borla catback exhaust with cap for open DOWNPIPE, ECS N75, EIP short shifter, stubby antenna, smoked front and side marker lights, matching eyelids, new tailights,euro headlight switch... custom painted engine cover. forge 004 blow off valve, new south boost gauge, 17inch Rial Nogaros 2 inch lip 235/40/17 HTZ+sumitomos,unitronic stage II+ chip 23 psi.

10-28-2008, 07:27 PM	#10
rockmkivgti Dubster Join Date: Jan 2008 Location: hampton roads, VA Posts: 171	Re: full throttle problem ok everyone..i have figured out the problem. it should have been done before anything. the throttle body was filthy. so i cleaned it out with cleaner and it is like a bullet now..hooray for me!!!! thanks guys!! so if anyone experiences slight hesitation and feels like they cant figure it out...try cleaning everything in the intake system, because obviously oil is in the system and it gets to the intercooler and then in turn gets to the throttle body. so i think thats right..lol __________________ back to stock clutch, new tranny, Neuspeed lowering springs, borla catback exhaust with cap for open DOWNPIPE, ECS N75, EIP short shifter, stubby antenna, smoked front and side marker lights, matching eyelids, new tailights,euro headlight switch... custom painted engine cover. forge 004 blow off valve, new south boost gauge, 17inch Rial Nogaros 2 inch lip 235/40/17 HTZ+sumitomos,unitronic stage II+ chip 23 psi.

10-28-2008, 07:49 PM	#11
southernGTI VDubber Join Date: Aug 2008 Location: Jackson Mississippi Age: 31 Posts: 60	Re: full throttle problem sounds good. You can look for BG products at a local dealership or mechainc shop and have the fuel injection service done. It will clean the intake, valves, throttle body, etc from oil and dirt deposites. works very well. I must run 3-4 a day and the results are always good. Also known as a 3-step. BG is the best one out there IMO __________________ 08 GTI-daily driver, so stock its boring..... 94 rx7- 13b half-bridge single 78 Z28-blown 355 04 CBR 600RR- stretched and lowered

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