Re: [doc] Cough, Cough, Splutter - Very Long!
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Re: [doc] Cough, Cough, Splutter - Very Long!
- From: Martin Gutkowski <martin@xxxxxxxxxxxxxx>
- Date: Sat, 03 Jul 2004 01:27:35 +0100
Still sounds like control pressure is too high or experiencing a
blockage.... You can bloody well buy your own gauge this time :-)
Actually I was going to put some time into getting a gauge kit made -
any body else interested?
Martin
Richard wrote:
> All,
>
> I've already spoken to Martin about this but I figured I should throw it
> open to 'the fountain of knowledge' for other opinions
>
> On my way back from 60 mile round trip, strange things started to happen
> to the engine. Suddenly I had no power, I pressed the accelerator, and
> nothing.
>
> I thought perhaps the accelerator cable had broke, so I dipped the
> clutch and tickled the throttle, resulting a suitable rise in revs,
> pressing the accelerator harder seemed to do nothing (but I'd eliminated
> the cable as the fault), so I trundled on a little further, gradually
> fading away all the time. Eventually after gentle coaxing the car began
> to pick up again, until after about 800yds things seemed to return to
> normal. Shrugged shoulders, and decided to take it up the dual carriage
> way (the first so far) Foot down, up the slip road, blatting along quite
> nicely then everything just died off again - literally as though the
> accelerator cable had broke, this time things did not pick up...
>
> I gradually stuttered my way into a lay-by to see what was wrong, pulled
> up and the engine stalled. Poked around a bit, started the engine -
> seemed OK - although it was hunting quite badly (down to 500 then up to
> 1500 then down) Pulled off, foot down - everything fine again. About a
> mile down the road, exactly the same again. So I dropped the clutch,
> turned off the engine, waited 5sec (as I was coasting) started the
> engine, lifted the clutch, foot down and everything was fine for about
> half a mile, then it died off again.
>
> This went on all the way home - engine died, switched off, started up,
> drive for a while, died off. The only thing being the interval between
> restarts got less and less until we literally coasted onto the drive.
>
> Later that evening I leaned off the mixture which cured the hunting, and
> the engine seemed much smoother. So I set off to test it out, pulled off
> the drive, 100yrds up the hill the car was kangarooing badly, vroom,
> pher, vroom, pher, pher, vroom. So back to the drive. The engine stalled
> as I dropped the clutch waiting for traffic, and wouldn't start again. I
> had to use the starter to get on the drive, then it fired up after
> cranking for quite some time. Idled and revved on the drive just fine.
>
> This morning, cold engine, replaced rpm relay with a known good one
> (just in case). Started up no problem, idles no problem, apply a little
> throttle....sput, sput, cough, cough, and slowly picks up the revs. Foot
> off throttle - idles fine, apply a little throttle and it chugs once
> more.
> After about five minutes idling engine is very warm but not hot, revs up
> just fine again. Holding at about 2000rpm, about every 30 sec, the
> engine speed fades off just a little, maybe 50-100 rpm, then comes
> back....Haven't tried to drive it yet - is there any point? I've not
> exactly 'fixed' anything.
>
> Where should I aim my spanner first?!!
>
> Rich H
> DOC 365 VIN 1274 (has got lazy after 10 yrs and is trying it's best to
> stay on the drive)
DOC UK Website: www.deloreans.co.uk
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