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  1. #1
    akh49 Guest

    Question Polo - Exhaust Emissions Warning Light problem

    I have a polo 1.4 SE Sept 2002 - I have had problems with the exhaust emissions warning light(EEW), together with the EPC light coming on for quite a while now.

    First of all both the EEW & EPC come on together, whether coincidence or not nearly always at the weekend when I cannot get into a garage! When I next go to use the car usually the EPC light has gone off and within a day or so so has the EEW. I have never noticed any problems with the driving, until yesterday/today.

    I have taken into the garage numerous times and last year, after many times not being able to pinpoint the problem, as the lights always seem to go before I can get to the garage, I was told it was the lambada sensor 1, which I got fixed.

    Within a few months the same was happening, again everytime I get to the garage it has nearly always gone off. Last time I took it to my usual VW garage a couple of months ago and due to them keeping me waiting and making me late for work I never got the outcome of the diagnostic, despite several phonecalls asking for this.

    I took my car for its service in Sept to an independent small garage specialising in VW/Audi, told him of my problem, he did a diagnosic, but as the light was not on nothing came up. After the service he test drove my car and said he could not see a problem, but told me if the lights came up again or I noticed anything different when driving to come back in.

    Well last weekend the lights came on again and off again by monday so did nothing. During the past week once or twice I have noticed slight differences when driving, times when it seems a bit chuggy (not sure how else to describe) when moving off and in lower gears, and when stopped sometimes felt a slight judder as the engine turned over.

    Yesterday lights came on again and due to my now feeling these differences I decided to take it in tomorrow, if I can get in. Today I had to nip out and the EPC had gone out (as usual) but the EEW light was still on and after a few minutes it started flashing (blinking), which has never happened before. My daughter looked up in the manual and it says "blinks - if the catalyst can be damaged by misfires".

    The driving seemed worse today, I kept expecting it to stall or stop, but it didn't. When I went to drive back although it blinked for the first few seconds, it then changed back to the EEW just being lit again and didn't seem quite as bad driving as earlier.

    I intend to try and take it in tomorrow, but am not hopeful of getting into either my local independent, or if I have no choice my local VW garage.

    Has anyone had any similar problems or can give me any advice on what the problem might be and how much it might cost to fix.

    Is it likely to be the same lambada sensor problem again or something else?

    Sorry its so long but I wanted to give as much info as possible.

    Thanks

  2. #2
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    Re: Polo - Exhaust Emissions Warning Light problem

    A fault code read should give you a code so we need to know what that is. What is the cars engine code and how many miles has the engine covered?
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:


    www.helpforheroes.org.uk

    Keep XH558 in the air
    www.vulcantothesky.org


  3. #3
    akh49 Guest

    Re: Polo - Exhaust Emissions Warning Light problem

    Hi and thanks for replying

    I don't know what you mean by fault code read. I just know I get warning light, as stated. Where would I find the car's engine code?

    The car has done just under 30,000 miles.

  4. #4
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    Re: Polo - Exhaust Emissions Warning Light problem

    A fault code read is what the mechanics do when they say they are doing a diagnostic check, at least I hope that is what they mean. Your engine (the car must be a 9N round headlight model, the new for 2002 shape) has quite sophisticated OBD (On Board Diagnostic) abilities and an EPC (Electronic Performance Control) and engine MIL (Malfunction Indicator Light) indication must leave a fault code in the engine computer memory. The engine code will be on your log book and in the front cover of your service book as well as on the sticker on the boot floor, it is probably AUA or AUB. The version of the car is shown in the chassis number, for example wvwzzz9Nz2Rxxxxxx.
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:


    www.helpforheroes.org.uk

    Keep XH558 in the air
    www.vulcantothesky.org


  5. #5
    akh49 Guest

    Re: Polo - Exhaust Emissions Warning Light problem

    Hi again

    You have the right version as the chassis number is similar to what you quote but I can't find the engine code in the front of the log book, just lots of groups of letters/numbers, ie 9N1, 1G4, Polo A04, COMFO, BBY GET, etc, but not the ones you quote.

    Will look in the boot tomorrow if I get a chance.

    Thanks

  6. #6
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    Re: Polo - Exhaust Emissions Warning Light problem

    Your engine code is BBY

  7. #7
    akh49 Guest

    Re: Polo - Exhaust Emissions Warning Light problem

    Quote Originally Posted by smokey0123 View Post
    Your engine code is BBY
    Thanks

  8. #8
    akh49 Guest

    Re: Polo - Exhaust Emissions Warning Light problem

    I found the read out from when the garage looked at it in sept but it makes no sense and the garage wasnt sure either - he just game me the print out.

    1 fault found:

    17550 - load calculation cross check - lower limit exceeded

    P1142 - 35-10 - - - intermittent

    readiness 0000 0000

    Doesnt make any sense to me but I googled the first bit and found several things:

    Possible Causes


    • Mass Air Flow Sensors (G70) faulty
    • Intake Air System faulty/leaking (false Air)
    • Throttle Pedal faulty
    • Throttle Body dirty/faulty

    Possible Solutions


    • Check Mass Air Flow Sensors (G70)
    • Check Intake Air System
    • Check Throttle Pedal
      • Check Throttle Pedal Position Sensor (G79)
      • Check Throttle Pedal Position Sensor 2 (G185)

    • Check Throttle Body
      • Check Angle Sensor 1 for Throttle Actuator (G187)
      • Check Angle Sensor 2 for Throttle Actuator (G188)


    Check Engine Control Unit

    I am not sure whether this is relevant to my car, but I have printed off to take to the garage, cant get an appointment today, but have left it in the hope he manages to look at it!
    Last edited by akh49; 10-11-2008 at 11:14 AM.

  9. #9
    akh49 Guest

    Re: Polo - Exhaust Emissions Warning Light problem

    Update

    Just been rung up by garage saying its ready, he said it was ignition coil and would cost me 82 - don't know whether thats a good price, but sure it would have cost much more had I taken to VW garage.

    Picked up this afternoon and seems to be running fine now. Apparently the original fault mentioned above is still showing on the diagnostic report, but as there are many things it could possibly be and it doesn't seem to be causing me any problems at the moment he concentrated on the major problem that came up at the weekend. The mechanic has just told me to keep an eye on it and if the lights come on and I notice a difference in how the car runs come back and see him.
    Last edited by akh49; 10-11-2008 at 10:12 PM.

  10. #10
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    Re: Polo - Exhaust Emissions Warning Light problem

    I got this problem yesterday on my November 2005 polo (new shape polo) and I took it to a garage today. . . he said that light could mean anything and so he did a diagnoses and said that it could be the O2 sensor.

    He turned the light off (reset it on the dash) and said if it comes on again I would need a 100 sensor.

    I'm so upset as I got the car serviced last week at a price of 142 and they didn't spot anything.

    I'm hoping the light doesn't come on again.

 

 
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