Question about 2004 Volkswagen Golf

4 Answers


Electronic diagnosis has identified faults with the two fuel sensors on my VW FSI 1.4 -2004. These have been replaced --but I am still experiencing serious intermittent loss of engine power.
Any ideas?

Posted by on

  • 3 more comments 
  • alison157 Dec 21, 2008

    Intermitent Loss of Power on VW FSI 1.4 - 2004.

    This has happened several times on my 2004 Golf. It seems to occur when pulling away and after a gear change. Suddnely all acceleration disappears and no matter how much I press on the accelerator there is no power and the car slows. The last time this happened I tried to pull over but suddenly the power returned and I could accelerate again.

    No warning lights are coming on and my garage has replaced the nox sensor and tested.

  • r_martin84 Jan 15, 2009

    I have the same problem on my 1.6 FSI Golf. The garage so far has replaced the fuel pump, pressure switch and the ECU has been reprogrammed by VW. So far its cost me over £400 and the problem is still there

  • swain_derby Feb 23, 2009

    My wife is currently experiencing the same problem in her 04 plate Golf 1.6fsi. The car randomly decides to loose power but no lights come on the dash, it doesn't stall, the steering doesn't go and it doesn't stutter. It just feels like you have no acceleration even with the acc pedal pushed all the way down. Its like something is blocked and you cannot get any more power then it suddenly clears and you get acceleration again. Very dangerous at juctions or on the motorway but VW just offer a computer diagnosis for £80 that they have already told us will not show anything because the engine light hasn't come on and so nothing will be logged.

    Can anyone help?? Apparently its relay 109 on the TDi range (£10) but cannot find a fix like this for petrol 1.6fsi.

    Sounds expensive - Help!

  • Razzy35 May 04, 2009

    My VW Polo TDI kept losing power and I had to keep my foot on the accelerator to keep the car going.

    The garage replaced one of the injectors and the car is perfect now.

  • Anonymous Mar 15, 2014



4 Answers

  • Level 1:

    An expert who has achieved level 1.


    An expert whose answer got voted for 2 times.

  • Contributor
  • 1 Answer

My car has now been sorted.
Turns out it was a problem with the feul pump. cost another £200 to get everything done but its been running fine for a few weeks now.

Posted on Feb 16, 2009

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert who has answered 1,000 questions.

  • Volkswagen Master
  • 1,224 Answers

Number of things
1 fuel injectors
2 worn throttle body
3 inside gas tank sending unit filter needs replaced
4 a/c compressor failing
5 replace air filter
6 depending on mileage of vehicle worn cam, bearings oil rings
7 oil and water mixing together (oil will look like chocolate milk on dipstick if this happens
8 not enough air from the electric fan in front of vehicle (hook constant power and a switch with power key off)
9 wrong fuel type (maybe you car requires premium)
10 alternator wareing out and makeing a slow drop in power
11 binding brakes or emergency brake line binding
12 worn sparks plugs wires and electrical unit that houses this
13 worn capacitor looks like a little tear can with power points on it

this is just basic diagnosing without being there to see the vehicle in person these are the things right off the top of my head that i can help diagnose right now
some of these things wont show on a diagnostic cause there more mechanical and sensors wear with mechanical
hope this helped you in your quest

Posted on May 21, 2008

  • Level 1:

    An expert who has achieved level 1.


    An expert whose answer got voted for 2 times.

  • Contributor
  • 2 Answers

Volkswagon 2004 golf 2.0 petrol fault codes 17440,17441,17953,18322 the car just lost all its power.pulled over tuned off.restarted all fine.

Posted on Apr 11, 2011

  • Level 1:

    An expert who has achieved level 1.


    An expert whose answer got voted for 2 times.

  • Contributor
  • 1 Answer

I have a Golf 1.6 FSI 2004 model. I have just had problems where I was losing power when driving on an incline. When going up something steeper, my speed reduced to around 20mph and I was being overtaken by lorries! to cut a very long story short, after telling VW that I suspected it was exhaust problems, (having experienced such problems on previous vehicles in the past) it took them various diagnostics and referrals back to VW, for the garage to confirm it was infact a problem with the exhaust. It cost me £1300 for them to confirm what I said some months ago what I thought the problem was. It was a case of 'the computer says no'! Because the problem could not be picked up on diagnostics, there was 'nothing wrong with the vehicle'. My advice to anyone after my dealings with 'VW Customer Care', is to say that they don't care at all. As soon as I can be rid of my car...I will, and it will never again be a VW.

Posted on Jun 06, 2010

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

05 vwjetta 2.0L won't start The fuel pump is good but its not getting any power When we hooked it to a comp it said mass airflow senser, could that keep the fuel pump from working

2000 vw jetta not starting problem solved - YouTube

? 1:56
Sep 21, 2012 - Uploaded by STF MASSACRE MEDIA
i was on this for days ordered fuel pump accessories i didnt even need and the whole time was a fuse dat regulates to the fuel injectors and gasoline well i ... ... Volkswagen Jetta Won't Crank, Electrical Diagnosis - Part 1 - Duration: ... Duration: 4:05. ...Anyone Have This Problem Starting Their VW Jetta?

VW A3: No Spark Quick Check... - YouTube

? 4:05
Oct 7, 2012 - Uploaded by Thomas EXOVCDS
The first part just shows that the hall sensor in the distributor is not. ... VW Jetta No Start - Duration: 4:59. canadacatalyst 51,287 views ... Rabbit & POLO - No Spark at plugs but will bump start - MYSTERY SOLVED! ... VW Jetta won't start? ... 4:05. Ignition Coil Troubleshooting VW 2.0L Golf Cabrio - Duration: ...

VW Jetta No Start - YouTube

? 4:59
Nov 15, 2011 - Uploaded by canadacatalyst
Just go through the basics to see why it will turn over but not start. ... Good diagnosis and repair of catalytic converter on theVW Jetta. ... not start. i believe the fuel pump went bad from sitting long time. no pressure! ... VW Jetta won't start? ... VW A4: 2.0L Replacing Crankshaft Position Sensor / Engine Speed ..

Jan 08, 2016 | Cars & Trucks

1 Answer

Vw jetta 20 liter FSI is cutting out when driving and reves up then switch of

have the OBD codes read as will tell you which sensor/switch is at fault

May 22, 2014 | Honda Odyssey Cars & Trucks

1 Answer

Vw polo 2004 1.4 fsi engine poor idle and cuts out when cold. Changed temp sensor. cleaned throttle body and reset. removed manifold and cleaned. cleaned and checked inlet manifold tuning valve flaps are...

Think Safty first. Have you had the car's codes checked first? Check the air intake tube for leaks and all vacuum hoses. For the intake you might hear a hissing noise. For the vacuum hoses check for dry rot, cracks. With a little soapy water you can spray them if the idle gets better or worse replace that vacuum hose.

Feb 21, 2014 | Cars & Trucks

1 Answer

Engine check light on while driving, already replace new fuel filter with regulator, clear fault using vw diagnosis tool, after driving several days, the fault occured again with the fault code p0441>

Your EVAP purge valve may be faulty. Also, check the vaccum lines attached to the valve for any signs of wear and tear. Should be located next to the coolant tank.

Nov 16, 2011 | 2009 Volkswagen GTI

1 Answer

Hi My car's petrol pumb gave in however I have replaced it but now the mechanic tells me it is the speed sensor...My car does not want to start and if it does when you press the accelerater than...

Hi there,

Firstly, I must ask: did you take your vehicle to a VW dealership? Did you witness this mechanic connect a scanner to your vehicle's computer to extract any Fault codes? Can you confirm he correctly diagnosed a faulty fuel pump?

Your vehicle is EOBDII compliant, therefore all electronic faults will be immediately stored in the computer and will just require a 15min process to read these codes.

By doing this, you will be able to correctly diagnose the fault and rectify the problem quickly (both fuel pump & speed sensor faults can be quickly identified in this manner).

If you did not take to a VW dealership, then only a garage equipped with the proper EOBD-II (European On-Board Diagnostics V2) scanning tool will be able to communicate with your vehicle's computer.

If in doubt, you should ask to see the code readout for yourself.

If you wish, you can post your codes on here - we will be happy to confirm what the codes mean.

"If this solution has resolved your problem, please be kind enough to leave a testimonial"

Jun 08, 2011 | 2001 Volkswagen Beetle

1 Answer

Vw golf se fsi 2006 30,000 miles. exhaust warning light on

If it is the 1.6 FSI model, it is very sensitive to the type of gasoline, it should be octane 97 or higher.
Very commonly, owners of this model use the 95 Octane gasoline, which seems to work ok, but the sensors in the exhaust (yellow motorwarning light) will eventually (can take a few years) clog up and you cant clean it or change the sensor easy either as you need to remove the whole exhaust system.

So either you let VW fix this for you (expensive) or you do it yourself (need a decent garage, equipment and a new sensor).


Feb 26, 2011 | 2006 Volkswagen Golf

2 Answers

Hello ! As I bought my VW Golf Mk4 (model 2003) 1.6 FSI 16v few months ago, I have just realised there are some problems that need to be solved. First of all, the engine light came on and after computer...

17443 Nox signal implausible, 17441 Nox sensor Signal too low,
check the latest software version

is running on the engine ecu. the Nox sensor is located to the rear of the cat and has a control box
bolted to the underside of the floor (o/s seat area) under the black
plastic protector

there is a workshop recall for this fault, Humidity in the Nox sensor Giving an implausible signal

a new sensor is needed if the production date on its sticker is before week 41/04

P/N of new item - 03C907807 D

also a software update is required if the engine code is BLP

here is a list of the possible codes this fault can cause17443/P1035 - Sensor for Nox (G295): Signal Implausible Possible Symptoms . MIL on Possible Causes . Sensor for Nox (G295) faulty Possible Solutions

Dec 15, 2010 | 2003 Volkswagen Golf

1 Answer


it is either fuel pressure sensor g247 or fuel pump fault

Nov 23, 2010 | 2012 Volkswagen Polo

2 Answers

My Audi A2 1.6fsi shows fault code relating to knox and lambda sensors are the two connected in any way. Mechanic said that it was one of the lambda sensors first now he is referring to a knox sensor. I...

The Nox sensor fits after the catalyst (non FSi models had a rear lambda) the lambda on your car is near the engine and has 5 wires because it is a broardband type.
The Nox sensor is a common fault on all FSi models

Nov 18, 2009 | 1996 Lexus ES 300

Not finding what you are looking for?
2004 Volkswagen Golf Logo

3,644 people viewed this question

Ask a Question

Usually answered in minutes!

Top Volkswagen Experts

Colin Stickland
Colin Stickland

Level 3 Expert

21949 Answers


Level 3 Expert

61168 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6812 Answers

Are you a Volkswagen Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides