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GOLF 4 1.6 16v: Lambda Probe Disconnects - Linear Probe Voltage, Circuit Break & Heater Error

lukasz7413 5499 3
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  • #1 16287576
    lukasz7413
    Level 9  
    Hello gentlemen, I'm back with my car on the forum :D
    Everything was beautiful, I was suddenly blinded by the check, I connected the computer: linear lambda probe, reference voltage, open circuit . I deleted the error, it returned to normal, 5 minutes at idle speed, an error with the heater appeared, a break in the circuit, a short circuit to the plus ... I thought that a short circuit or something. I brushed the cables, everything is ok, there is tension on the ankles. I have a second probe in stock now, so I say, hook the second one outside and we'll see what's going on, plug the probe in, erase errors, the probe fires 15 seconds and disconnects ... The broadband probe is designed so that the voltage on it is as close to 0, 45.
    So comes 15 seconds:
    tension 0.44-0.45
    regulation -15% - + 15%
    after it crashes, the probe regulation does not work and the voltage is 6.24V
    Where is this current coming from? I have no idea where from why and why ...
    I have no idea what could be? any suggestions? Hints? Maybe diagrams of the cube from the probe?

    It seems to me that if the probe was out of order, then the coal would not fire, and it comes 15 seconds and disconnects.

    Let me mention that this probe is broadband (unless I mistook the name)
    1.6 16v BCB engine
    Golf 4, 2002.

    Thank you in advance and best regards
    Luke
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  • #2 16289511
    grzybeek11
    Level 13  
    Hi.
    The probe was 100% damaged and the same. I bought two used ones, one of which turned out to be working. On the second, there was an error "circuit break" from heating the probe.
    The computer controls the voltage, hence the voltage.
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  • #3 16295541
    lukasz7413
    Level 9  
    but the weird thing is that the probe fires for some time, it will show and suddenly crash :|

    It seems to me that if it was damaged, the error could not be deleted :D
  • #4 16295580
    grzybeek11
    Level 13  
    It so happened that in my VW I also replaced the probe (used) yesterday. I put it together, connected it, start it and everything is ok. This morning I go to the car, I start and Buum (ENGINE ERROR) jerks, flaps, coughs etc ... WTF ??
    I start VAG KKL, quick scan .. And error (probe heating circuit interrupted) ..... :O I disconnected the probe and fired the car without it. I turned it off and disconnected the battery for 5 minutes, in the meantime I connected the probe. I put the clamps on, start it up and it works!
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