Vehicle & Technical > Discovery

V8 Discovery Running Gremlins...

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300TDi Disco:
Petrol can go off after a while have you just been running it on LPG? My mate had this problem with a vehicle. He was just running it on LPG for a while and now it doesnt run on petrol very well. hope this helps.

Crispywombat:
I just filled up with petrol just to make sure, I only had around a quarter of a tank and added over 60 litres so I'm hoping that's not a factor, just looked at the airbox and it's in a poor shape, so the mixture might not be too clever. Does anybody know about oiling the SU carbs, I'm guessing they haven't been done in a while.

300TDi Disco:
Think you may have to get the coins out your pocket and give it a full service.     

Crispywombat:
If it was only coins I wouldn't be bothered!!!! :'(

Range Rover Blues:
If it runs fine on LPG I wouldn't be looking at the HT ignition, I'd be checking the timing.  LPG is much harder to ignite but that's down to the Octane being about 112-115, so you can run much more advance.  However it won't then start or run on petrol without damage.

More worrying is that on carbs like the SU or Strom you need a piston lifter to hold the SU piston fully open, otherwise the needle runs up and down all the time without any fuel on it, it wears out and goes off callibration.  The SU piston can also screw with the LPG metering.

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