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MAN TGA Truck Engine Brake Failure: FFR 00647-10, EDC 03063, AGR 3004 - Diagnosis & Solutions

czesiek70 61479 8
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  • #1 6289791
    czesiek70
    Level 16  
    The car, as in the topic, displays the above error and the description 'engine brake failure'. The second error is EDC 03063 and AGR 3004. Where and what to look for, I am asking for a precise interpretation and possibly tips.
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  • #2 6291033
    karlos85
    Level 16  
    FFR 00647 is a compressor fault
    EDC 03063 - incomplete boot
    AGR 3004 - Exhaust gas recirculation valve defective
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  • #3 6291095
    czesiek70
    Level 16  
    How does the first error relate to engine brake failure and what does 'unfinished start-up' mean?
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  • #4 6291105
    Artur2910
    Level 17  
    FFR 00647-10 fan clutch, simply blocked the radiator fan visco, broke the cable from the electromagnetic clutch and the repair consists only in replacing the visco with new ones, provided that it did not damage the FFR cassette.

    AGR 03004 indicates a problem with the AGR throttle or the throttle actuator itself
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  • #5 6291241
    czesiek70
    Level 16  
    That's something. Is it possible to measure, for example, the resistance of this clutch, i.e. should it have a specific value? So what does this unfinished boot mean?
  • #6 6293203
    sztajner rudolf
    Level 12  
    artur knows fan clutch electro resistance range threshold 08 ohms Proper 1.2-1.5 ohms
  • #7 6293291
    czesiek70
    Level 16  
    I disconnected the plug from this clutch and measured the resistance, I got 148kom, so the Wisco to be replaced.
  • #8 6294735
    sztajner rudolf
    Level 12  
    I am surprised it always shows a short circuit, i.e. below 08 ohms there is probably a frayed wire
  • #9 6294951
    czesiek70
    Level 16  
    The exhaust gas recirculation valve has been replaced and it is ok. Only the visco is left, but you have to see what the price of this miracle is. As far as the resistance of this valve is concerned, it is so much. On diagnostics it indicated a break in the line.
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Topic summary

The discussion revolves around the MAN TGA truck experiencing engine brake failure, indicated by error codes FFR 00647-10, EDC 03063, and AGR 3004. FFR 00647-10 is identified as a compressor fault related to the fan clutch, which may be blocked or have a broken cable. EDC 03063 refers to an incomplete boot, while AGR 3004 indicates a defective exhaust gas recirculation (EGR) valve. Users suggest measuring the resistance of the fan clutch, with a proper range of 1.2-1.5 ohms, and note that a reading of 148k ohms indicates the need for replacement. The EGR valve has been replaced successfully, but the fan clutch remains to be addressed, with concerns about potential wiring issues causing short circuits.
Summary generated by the language model.
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