Bosch VP30 VP44 injection pump repair solution - Page 89
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  1. #1321
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    End is soon, that's correct

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    In order to prevent damage of gate pad it is advisable to not direct heat it with soldering iron tip .Just put the wire near the pad ,heat it with iron ,apply solder to wire and let it drop to pad .
    If transistor fail again ,dont unsolder gate wire from the pad ,just leave it there and reuse it.
    Found some videos on YT about VP44 ,most of them in russian .I ve noticed they use to unscrew a T30 port near the exit pipes to measure internal pump pressure (from 8 bars at idle to 30 at 4000 rpm ) ,which would be a good indicator of mechanical state of the pump.
    https://www.youtube.com/watch?v=r3bu...v8FxF&index=29
    Does anyone know a test which can show mechanical condition of the pump ,before trying to repair electronic module ?I have too many failed attempts ,car don t start or car broke again soon ....Or which are the symptoms
    for mechanical problems that will cause fail of electronics?Until now it seems that most successful are when the car stop suddenly ,with no signs but when when car become sluggish then stop it is mechanic cause so repairing electronics is a waste of time and effort..
    I have an opel VP44 on the bench now,if I turn it clockwise with a driller it will activate the valves,this does not happens with the Ford one ,so I am looking for method of make immoff or virgin for Ford module .
    This could be useful for testing a pump on the bench ,rev it with drill and measure pressure at T30 output.

  3. #1323
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    Hello everyone, I hope you can help with something since I have fixed how many pumps vp44psg5 -psg16

  4. #1324
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    hello, for the mechanical part of the pump there is the error code obd: p1220, which is the blocked advance piston, there is no other choice but to change the mechanical part and with this, this goes through the dirt of the diesel oil that dirties The iron part, I have spent many times in opel, for the issue of the immo block in the Ford pump - there are many modules for sale on the Chinese AliExpress website. Very cheap.

  5. #1325
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    Hello, everyone! Indeed, it's a waste of time when you have no mechanic near, i.o. to check the pump (mechanical parts). Advance piston, hydraulic head, gaskets ect...
    I've repaired some of them, always ok, but later came back with the same issue. Burnt mosfet. I am nsot wondering why, just knowing that an electronist without a mechanic for pump verification.... it just doesn't worth to work for. Expect not to get your money for repair. Asa ca... Mult succes!

  6. The Following User Says Thank You to volorucinski For This Useful Post:

    TR0UBLESH00TER (20th November, 2019)

  7. #1326
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    Repair is easy only on three areas:
    1. Bad angle Sensor
    2. Bad timing control solenoid
    3. Leaking front oil seal

  8. #1327
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    Hello everyone.
    who knows where this point of the RPM sensor capacitor is going
    Attached Images Attached Images

  9. #1328
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    @bladymir Hello, I must say "Ouuuch!" Never had the nerves to find it out. But that not sound good what you did there.

  10. #1329
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    Who wants to see an invention, take a look here:

    https://youtu.be/k0cCwiJqipk - VP44 TESTER - PSG5 Fuel Pump tester - VP29/VP30/VP44 electronic tester unit

  11. #1330
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    hello my friend
    This unit is from an Opel I have it to test, it was broken for a long time.
    But I have another unit of an Audi A6 to which I repair RPM sensor and out of curiosity I have looked at another capacitor point and I can't find connection.
    Thank you.

  12. #1331
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    I have been searching today, again, on all the pcb and found nothing. I have a vp44 electronic unit sacrified only for measurements and i did not find a correspondence for that capacitor pin. If you don't solder it propperly from the start, you can throw it away. Or... Keep searching on the pcb... Find out if after powering it up, you have a conduction from that point to another component. Might be a transistor or a diode that enables the connection to that capacitor soldering point. It mus be a solution, but i've got no time for research...

  13. #1332
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    Have nt found either any alternative point for that cap...
    Does BMW modules require adaptation ?I have an problematic module and think that would be a good ideea to change it with another module with usual faulty transistor .
    Volo your setup is awesome ,I will call you these days to talk more

  14. #1333
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    If you still have my number... Regarding that bmw, i have never had the opportunity to reprogram one of them. Probably Inpa and go, Planet!

  15. #1334
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    Sorry. Bad post
    Last edited by volorucinski; 3rd December, 2019 at 02:06 PM.

 

 

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