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Dead VG Ute

Discussion in 'VN - VP Holden Commodore (1988 - 1993)' started by Pete O, Aug 9, 2019.

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  1. Aug 10, 2019 #21
    losh1971

    losh1971 Well-Known Member

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    I wouldn't worry too much. Delphi are still good. I replaced my failed Delphi sensors with Delphi sensors and the probs haven't returned. I think when you set the air gap you'll be right.
     
    losh1971, Aug 10, 2019
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  2. Aug 11, 2019 #22
    MikeC

    MikeC Active Member

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    Delphi's GM's own spare parts company-they're as good as you'll get.
     
    MikeC, Aug 11, 2019
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  3. Aug 11, 2019 #23
    gtrboyy

    gtrboyy Well-Known Member

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    Had a bunch of weird issues when first bought vp v6...most of it fixed swapping to delphi even though no name brands were within spec when tested.

    As above wherever you go can fit oem it will usually save you headache later on.
     
    gtrboyy, Aug 11, 2019
    #23
  4. Aug 11, 2019 #24
    losh1971

    losh1971 Well-Known Member

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    Delphi seems to have runs of bad batches. Mech agrees he has problems with them too. But the alternative for Holden parts are far worse. Some other car makes seem to get away with parts that are not OEM just fine. I have used Standard on my old bus and they were great. You would struggle to match Standard though to anything Holden as you would need to cross reference, in the hope a US made vehicle used the same part. Just for the record Delphi are not made in the US they come out of Mexico.
     
    losh1971, Aug 11, 2019
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  5. Aug 11, 2019 #25
    Pete O

    Pete O Member

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    Oh ok, I was going off the add for where it was made.
     
    Pete O, Aug 11, 2019
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  6. Aug 11, 2019 #26
    losh1971

    losh1971 Well-Known Member

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    Nah sensors and some other OEM parts are made Mexico. That's not to say they aren't good. They are made under license so the quality controls are higher than a lot of Chinese or Indian made parts.
     
    losh1971, Aug 11, 2019
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  7. Aug 11, 2019 #27
    MikeC

    MikeC Active Member

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    Delphi stuff is checked to GM's QA systems. I've found them pretty good but expensive compared to ebay copies. The copy control system input/output devices look the same- they just don't work.
     
    MikeC, Aug 11, 2019
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  8. Aug 12, 2019 #28
    Pete O

    Pete O Member

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    Well I just went down to the shed ready to pull the harmonic balancer off & check the CAS & do the air gap adjustment & I thought what the hell, I’ll give it a try just in case the fairies came in & fixed it for me. Well the bastard fired first touch of the starter & is purring like a kitten, the bloody thing is possessed I tell ya....
     
    Pete O, Aug 12, 2019
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  9. Aug 12, 2019 #29
    gtrboyy

    gtrboyy Well-Known Member

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    Should be fine when cold then play up when it gets hot...common sign cas is on the blink
     
    gtrboyy, Aug 12, 2019
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  10. Aug 12, 2019 #30
    Pete O

    Pete O Member

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    I bloody hope not, it’s a brand new one!
     
    Pete O, Aug 12, 2019
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  11. Aug 23, 2019 #31
    Pete O

    Pete O Member

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    Well nothing has changed. After it started ok I took it for a run into town & it went just fine. I came out of the shops & it took a bit to start (red flag right there), I started to head home & it was hesitating under acceleration, stopped at the lights & so did it. I wound it for a bit & no go so I held the throttle wide open & kept winding, after a few attempts to start it finally fired up & blew heaps of fuel smoke for a bit then run ok but wouldn’t idle. I bought another new CAS & will put that in on Sunday. I also have a new IAC on it & have a new TPS on the way to put on it as well.
    Anyone have any idea as to what else could be up its arse now?
    I was hoping to put it in a show tomorrow but that’s not gunna happen now. :(

    Cheers.......Pete!
     
    Pete O, Aug 23, 2019
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  12. Aug 23, 2019 #32
    MikeC

    MikeC Active Member

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    Are all the engine earths good, especially any in areas that get hot when the engine's run for a while?
     
    MikeC, Aug 23, 2019
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  13. Aug 23, 2019 #33
    Pete O

    Pete O Member

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    Haven’t really thought about that but will definitely check them now.
     
    Pete O, Aug 23, 2019
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  14. Aug 26, 2019 #34
    Pete O

    Pete O Member

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    So does this green wire supposed to go somewhere?
     

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    Pete O, Aug 26, 2019
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  15. Aug 26, 2019 #35
    Pete O

    Pete O Member

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    Well it’s clearly not the CAS as I just put a brand new one on (No 2) & it ran for about 2 mins then the revs started to rise & it started running rough. I tried to rev it up & it just kept dying. I let it idle again for a bit then it just died & now refuses to start. I’m at a loss to know what’s going on now, I’ve tried everything I know but with limited knowledge of fuel injected motors I’m just about done!


    7EC49A15-41B6-4D3F-BE49-75827EAC8C79.jpeg
    Also what is this thing & can it cause problems?
     
    Last edited: Aug 26, 2019
    Pete O, Aug 26, 2019
    #35
  16. Aug 26, 2019 #36
    Pete O

    Pete O Member

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    I can only find 2 engine earths & one comes from the battery to the front right of the engine block down low & the other is a smaller one to the inner guard beside the battery. Should there be more on it?

    I just put another one on it just to make me feel better.

    B72DB584-EDC4-4617-A1B4-6854E2086683.jpeg
     
    Last edited: Aug 26, 2019
    Pete O, Aug 26, 2019
    #36
  17. Aug 26, 2019 #37
    MikeC

    MikeC Active Member

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    A lot of the control components earth through a module mounting stud on the right of the engine and there's another earth on the front cover of the block. I have a 5 litre V8 so which is a bit different, so I'm looking at the Holden manual for your engine- I haven't physically seen the earths on a V6.
    Does your engine have an MAP sensor? It has a single light green wire.
     
    MikeC, Aug 26, 2019
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  18. Aug 26, 2019 #38
    Pete O

    Pete O Member

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    View attachment 206580
    I posted a pic just above of a black box on the firewall which I now believe is a MAP sensor but it has three wires going to it & a hose out the back. As for earths, I can only find the two.
     
    Pete O, Aug 26, 2019
    #38
  19. Aug 26, 2019 #39
    MikeC

    MikeC Active Member

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    That's the MAP sensor, 3 wires the light green one, a blue one and a green & yellow one.The engine harness should be earthed to an earth on the module mounting stud. If you can find it in a photo Holden call it "location E". If the ECM's not earthed that may be your problem, but I'm not a V6 expert.
     
    MikeC, Aug 26, 2019
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  20. Aug 26, 2019 #40
    gtrboyy

    gtrboyy Well-Known Member

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    Black thing is map sensor..has vacuum hose & 3 wire plug & probably go into limp mode if disconnected,run rough.

    Green wire looks like air compressor wire

    Ecu earths are in wiring harness to block.

    Have you checked for fault codes?
     
    gtrboyy, Aug 26, 2019
    #40
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