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Thread: Starting - Intermittent No Start V8

  1. 14th October 2012, 06:57 PM #1
    Collins
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    Question Starting - Intermittent No Start V8

    Hello,
    Seeking advice re intermittent problem with starting - seems to be lack of fuel, although tank at least half full.
    Not a battery problem, engine turns over strongly.
    Started OK mid morning, drove to Market. After completing shopping, coffee etc came back to car. Would not start. Checked all fuses, fusible links - all OK. Checked & reset inertia switch - all OK. Stilll no start, but turning over strongly.
    Removed and replaced ECU & Fuel pump fuses. Engine started, ran for a few minutes and would not restart. Arranged for vehicle to be towed home. On arrival at home, tried starting. Started OK, drove into driveway & parked. Ran OK, up & down rev range. Shut it down
    Any thoughts - possible filter blockage?
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  2. 14th October 2012, 07:26 PM #2
    bee utey's Avatar
    bee utey
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    Try swapping out the fuel pump relay with another one with the same terminal layout. I've seen a few of the yellow relays fail.
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  3. 14th October 2012, 07:43 PM #3
    mateusz
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    What about earth strap between chassis and neg on bettery and between chassis and engine? i Had similar problems. Its basic and easy to clean terminals? cheers
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  4. 15th October 2012, 06:42 AM #4
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    jafir
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    Do you have spark, when it won't start? If not, my guess is crankshaft position sensor.
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  5. 15th October 2012, 10:42 AM #5
    wopac5
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    Get the codes read...bet it's a CAS issue.
    Mine did the same thing...Mat from Karratha C&B read the codes for me...and CAS...replaced it, no more issues.
    BTW, a strong crank doesn't mean it should start. I also found that with a low battery charge state will crank OK but there's not enough left for every thing else. Try a jump start next time and see how you go...
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  6. 15th October 2012, 11:24 AM #6
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    jafir
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    Crank sensor usually doesn't set a code. (But there are always exceptions... )
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  7. 15th October 2012, 07:35 PM #7
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    clubagreenie
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    Cam sensor will code, crank I've never seen. But if it's out of alignment it can cause timing issues.
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  8. 17th October 2012, 09:50 PM #8
    Collins
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    Thanks for all of the suggestions. Problem now sems to have cleared itself. Engine now starting & running OK. It appears that there has been a glitch in the ECU, possibly related to an earlier low (12.5) battery voltage.
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