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  1. #1
    1st Gear

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    Error Codes - Easy to fix?

    Hi

    My uncle's car is not running right. He has 1.8t 2003

    I ran VAGCOM and it has the following faults -

    Control Module Part Number: 8E0 909 518 N
    Component and/or Version: 1.8L R4/5VT 0002
    Software Coding: 0011581
    Work Shop Code: WSC 63351
    5 Faults Found:
    17700 - Map Controlled Engine Cooling Thermostat (F265): Open Circuit
    P1292 - 004 - No Signal/Communication
    17704 - Error in Mapped Cooling System (usually temp Sensor or Thermostat)
    P1296 - 008 - Implausible Signal
    16486 - Mass Air Flow Sensor (G70): Signal too Low
    P0102 - 002 - Lower Limit Exceeded - Intermittent
    17511 - Oxygen (Lambda) Sensor Heating: B1 S1: Performance too Low
    P1103 - 008 - Implausible Signal - Intermittent
    16523 - Oxygen (Lambda) Sensor B1 S2: Response too Slow


    17700 keeps on coming back after I clear the codes.
    Idle is a bit rough as well - rev needle bounces abit.

    Also having the car heaters on HI is not hot when compared to my 1.9tdi. I assume this is related to the above codes?

    Is the sensors/codes easy to fit (diy)?

    Please help.

    Thanks

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  3. #2
    jase0851's Avatar
    4th Gear

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    sounds like the thermostat is stuck open. does the heater get hot if you leave the car standing with the engine running ? what temp is the engine when the car is being driven
    EBONY PEARL 2003 1.8T SPORT GMBH 190 AVANT 19" GALLARDO,S S4 SILVER SILK NAPPA HEATED RECARO,S MATT ALI MIRRORS,O.CT INTAKE PIPE, B7 DTM VOTEX SKIRTS, HYPERBOOST HX DIVERTER VALVE, RS4 DOORCARDS+TRIGGERS, AUTO-DIMMING REAR VIEW MIRROR, RS4 BRUSHED ALI TRIM, RS4 START BUTTON, PIPERCROSS PANEL FILTER, RIEGER INFINITY FRONT BUMPER:: NOW REMAP,D TO 240 ISH BHP OMG WHAT A DIFFERENCE

  4. #3
    1st Gear

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    Quote Originally Posted by jase0851 View Post
    sounds like the thermostat is stuck open. does the heater get hot if you leave the car standing with the engine running ? what temp is the engine when the car is being driven

    Heat from the heater is mild when the car is standing.

    Not sure what the engine temp is when the car is driven. I will ask him today.

    How do I replace the thermostat?

    Cheers

  5. #4
    jase0851's Avatar
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    couldnt tell you on these cars tbh youd be better of gettin it done at a garage or failing that you could always buy a haines manual and av a go yourself
    EBONY PEARL 2003 1.8T SPORT GMBH 190 AVANT 19" GALLARDO,S S4 SILVER SILK NAPPA HEATED RECARO,S MATT ALI MIRRORS,O.CT INTAKE PIPE, B7 DTM VOTEX SKIRTS, HYPERBOOST HX DIVERTER VALVE, RS4 DOORCARDS+TRIGGERS, AUTO-DIMMING REAR VIEW MIRROR, RS4 BRUSHED ALI TRIM, RS4 START BUTTON, PIPERCROSS PANEL FILTER, RIEGER INFINITY FRONT BUMPER:: NOW REMAP,D TO 240 ISH BHP OMG WHAT A DIFFERENCE

  6. #5
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    Car is going in for a sevice soon. Will see what they say.

    Many thanks

  7. #6
    Nickynibbles's Avatar
    Damn it where's 7th gear when you need it?!

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    The thermostat ones are common enough & not a major drama, think there's 2 temp sensors on the 1.8T so one can go down & all will function prefectly still. What you are showing thought is the MAF playing up which helps control things on the intake side as well as the lambda sensor which helps control things on the exhaust side. These will be the key to the rough running, get them changed and you should be smooth running again.
    A4 3.0 Quattro Sport - Gone & missed everyday!

    Current road going missile.....

    ........Smart Roadster - arguably the most fun you can have in a car without using lube!!

 

 

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