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Thread: 04 Astra DTi Isuzu DOHC Fault Code P0370

  
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    04 Astra DTi Isuzu DOHC Fault Code P0370

    Having problems with this fault code found references to pump position signal and timing reference high resolution signal A malfunction. Seen different this that cause this code like egr, crankshaft sensor, pump and EDU.

    EDU was done a year past in march at vauxhall using a brand new unit and the car runs well so i dont think its the pump. However i have been having problems with my EGR Valve and im changing it on saturday for a new unit to solve issues i've had with the fault code P0400. Now would the EGR cause a knock on effect to produce this code or is it the crankshaft sensor or some other thing that i have no found on other threads.

    So clarification on this codes meaning and what may need sorted to rid me of it would be much appreciated.

    Cheers folks

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    likely your EGR looking at previous posts on here
    I had this logged but had no problems rnning so assumed it was either an old code or a momentry glitch that went away as quick as it was recorded.

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    yeah possibly old code was gonna disconnect the battery to see if it returns! The 0400 code i know is persistant and the egr most likely needs done but dont know if 0370 is or if its just faulty readings sent to the ecu thats causing it to pop up. Will disconnect and c how it goes. Many thanks buddy

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    HELP!!!!!!!!!!!!!!!!!!!!!!!!!!

    Now getting fault code P0216 looks like Injection Timing Control Circuit Malfunction had edu done at vauxhall so i still can believe its gonna be that. Could this be connected to the crankshaft timing sensor???????????????????????????

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    I have p0400 and also p0370 as fault codes on my car, it suffers from a misfire and hesitation, replaced the edu like you and did not resolve.

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    reset codes nearly a fortnight ago and 0400 came bk followed later by 0216 but no sign of 0370!

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    P0216 similar code to P0370 i think, both to do with timing although this does point to an EDU failure...

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    according to an offical vauxhall code list 0370 is timing position sensor malfunction of sorts and 0216 is injection control unit voltage low. Spoke to vax spark and 0216 usual due to bad earth and if not then wiring issue and then if not that either its an ECU failure not EDU failure! Thats what i've been told.

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    Just searched it on google...

    Possible causes are:
    Fuel injection timing fault
    Spill valve relay fault
    Main engine ECU
    Wiring problems

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    EGR, Fuel pump EDU or Injectors. neither have sensors associated directly with them but other parts / sensors elswhere 'blame' them or something else in error for all sorts of silly reasons ......

    EDU
    I have written a how to for the pump - search my other posts.

    EGR
    Get the EGR off and clean it out, also clean the manifold and all teh tubes runnunng to it. they should be free of slime, gunge, soot and oil (I use diesel on a rag to loosen the crud then clean it out,
    with the EGR off, stick a scrwdriver (crude but it works) down the exhast inlet port (female threaded hole) you should be able to push ethe valve it's-self open againt the spring. looking down one of the other ports you should be able to see the valve unseat it's self and return when you take the pressure off the screwdriver (the spring is very strong).
    the spindle the valve slides upon should be spotless and shiny to allow it to work pproperly.
    when you know the valve works properly and everything is de-gunged and shiney reassemble everything to the car making sure that every mating face whee the is a gasket or seal is spotless so a good seal is made.

    Injectors
    If this does not sort your problem look to your injectors, (again no electonics here so no faults can be generated reporting failure BUT if they miss fire, other sensors pick this up and report faults regarding timing and the fuel pump!!! )

    first line of attack - fuel additive, use a good one, millers eco max is a good place to start, this goes in with your fuel when you fill up and in theory cleans out your fuel system including your injectors. you have to run a tank or 2 through to see any results.

    if this does not work either - new injectors £150 each plus fitting
    OR - have your exisiting ones reconned by a diesel specialist, I payed £42 each for mine to be done, I drove the car in, they removed them, did the work and reassembled the car £168 all in, I drove away, like a new car.
    hope this helps someone.

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