Chris NottMonster Motorsport
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  1. #1
    S4_dan's Avatar
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    Mot work started + a few DTCs i need help with!

    Right, started work on the Audi by going through the fail sheet. Fuel filter off but turns out the replacement one is incorrect.

    Plugged laptop into car (laptop not been used for a long time!) Anyway, For some reason vag-com wouldn't register so it wouldn't show me any fault codes descriptions but i could see the DTC codes. They were:

    P1602
    P0134
    P0154 I
    P1559 I
    P1565 I
    P1338 I
    P1392 I

    I = Intermittant.

    I did manage to clear the codes and started the car for 5 mins. Although I didnt drive it due to me stripping the brakes on the rear for a clean up. Did another scan on the car and NO codes came back. But maybe the engine didnt get upto to correct temp if any of the above codes are sensor related??

    Anoyone know what the codes relate to please??

    What a PIG the fuel filter was!! The bolt had seized and ended up breaking the plastic so now im going too ave to improvise in fastening the new filter on!!

    All fun & games!!

    Cheers,

    Dan
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

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  3. #2
    "Stick a V8 in it!"

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    most of the codes will be on rosstechs wiki

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
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  4. #3
    S4_dan's Avatar
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    Quote Originally Posted by aragorn View Post
    most of the codes will be on rosstechs wiki
    Good thinking, Thank you.
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

  5. #4
    S4_dan's Avatar
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    18010/P1602/005634 - Power Supply B+ Terminal 30: Voltage too Low
    Possible Causes
    Cables on the Battery were removed
    Battery weak (voltage)
    Generator Disfunction
    Possible Solutions
    Check Battery Cables
    Check/Replace Battery
    Check/Replace Generator

    16538/P0154/000340 - Oxygen (Lambda) Sensor B2 S1: No Activity
    Possible Symptoms
    Lambda Closed-Loop Control switches to Open-Loop Control
    Increased Fuel Consumption
    Emission Levels not OK
    Spark Plugs become covered with Soot (might lead to misfire)
    Rough Idle
    Possible Causes
    Lambda Sensor faulty (dirty)
    Lambda Sensor Heating faulty
    Lambda Sensor Wiring faulty
    Possible Solutions
    Check/Clean Lambda Sensor
    Check Lambda Sensor Heating
    Check Lambda Sensor Wiring


    17967/P1559/005465 - Throttle Body (J338): Fault in Basic Settings
    Possible Symptoms
    Not known
    Possible Causes
    Idle Switch Open or Open Circuit
    Throttle Valve sticks and won't close
    Speed Impuls from Engine Speed Sensor (G28) recognized
    Possible Solutions
    Perform Throttle Body Adaptation

    17973/P1565/005477 - Throttle Actuator (J338): Lower Stop not Reached
    Possible Symptoms
    Malfunction Indicator Light (MIL) active
    Possible Causes
    Throttle Actuator (J338) dirty (carbonized)
    Throttle Actuator (J338) faulty
    Possible Solutions
    Check/Clean Throttle Actuator (J338)

    17746/P1338/004920 - Camshaft Position Sensor (G40): Open or Short to Plus
    Possible Symptoms
    Malfunction Indicator Lamp (MIL) active
    Possible Causes
    Camshaft Position Sensor (G40) faulty
    Wiring/Connectors from/to Camshaft Position Sensor (G40) faulty
    Possible Solutions
    Check Camshaft Adjustment
    Check Camshaft Position Sensor (G40)
    Check Wiring/Connectors from/to Camshaft Position Sensor (G40)


    17800/P1392/005010 - Camshaft Position Sensor Bank 2 (G163): Open Short to Plus
    Possible Symptoms
    Power Loss at Full Throttle
    High Fuel Consumption
    Bad Emission Values
    Possible Causes
    Wiring between Engine Control Module and Camshaft Position Sensor Bank 2 (G163) faulty
    Power Supply/Ground Wiring from/to Camshaft Position Sensor Bank 2 (G163) faulty
    Camshaft Position Sensor Bank 2 (G163) faulty
    Engine Control Module faulty
    Possible Solutions
    Check Wiring between Engine Control Module and Camshaft Position Sensor Bank 2 (G163)
    Power Supply/Ground Wiring from/to Camshaft Position Sensor Bank 2 (G163) faulty
    Check Camshaft Position Sensor Bank 2 (G163)
    Check Engine Control Module


    I cant find P0134 in their list. The last two are due to the cambelt being snapped and me trying to start the car.
    Not sure why the throttle codes have come up?

    Lambda sensor could be the cause of my high emissions. But code hasn't come back on since reseting it. Hopefully lucky on this one!!

    Dan
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

  6. #5
    "Stick a V8 in it!"

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    P0134 is o2 sensor on bank 1.
    prolly need to give it a proper run befoer they come back on, but likely explains the emissions, as iirc from your other thread the emissions test showed the lambda value was out.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  7. #6
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    Yeah the Lambda was out too. The mot tester said it was most likey due to the emissions being so high that the Lambda cant correct the value?!

    Will give the car a good drive and re-scan for any DTC's, probably on monday. Re-test is on tuseday all being well.
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

  8. #7
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    Have you had a flat battery or disconnected it. The first one P1602 is most offten found after a disconnection or flat battery (remap can also cause the same error code at the time of mapping) the other fault codes could in a large part be brought on by this. I would as you say you are doing and clear down all the codes drive and see what comes back. Don't be surprised if most of them don't come back.

    If lambda 1 is dead the car will default run rich to protect it's self. If it doesn't come alive you will need to replace or the lambda target and protection won't be working and the ECU won't be a happy bunny..

    A
    Last edited by Administrators; 16th April 2011 at 07:32.

  9. #8
    S4_dan's Avatar
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    Which is lambda one on my car? The only sensors i can see are very close to where the exhaust fastens to the exhaust manifold. Accessed from top of engine, one on each side. They are the only sensors in the exhaust i can see.
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

  10. #9
    "Stick a V8 in it!"

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    Not sure, but unplug one and scan for fault code, will tell you which side you've unplugged.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  11. #10
    S4_dan's Avatar
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    Have found that Bank 1 means it on the side where #1 cylinder is. So in my case, it's the drivers side sensor. on the OBD-CODES.COM site, it says that the code can come on due to a hole in the exhaust. Well, about 1 inch from where the sensor is fitted in the exhaust is the flange for joining the exhaust manifold and exhaust together. There was only 2 out of 3 studs present and a lot of exhaust paste filling a hole/gap. So i'm hoping it is that which has put the light on. All 3 studs are back on now so its nice and tight and leak free!

    I'm off to the car today to refit the pig of a fuel filter so i'll get the car nice and hot and do some scans after.

    Cheers for all your help/suggestions so far.

    Dan
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

 

 

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