Vehicle & Technical > Range Rover

efi 1987 won't start

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big rob:
so i have checked the relays on another car, all ok, when the car is spun over for say 30 secs doesn't even try to cough let alone start but plugs are soaked in fuel, took a plug out and had a look at the spark doesn't seem to be great when it is turned over , so i'm now thinking maybe the coil is on it's way out and the spark isn't good enough to light the fuel, so I will swap the coils tomorrow and see if that makes any difference.
found the relays infront of the ecu checked all of them on the other car.

where is the fuel supply line connected to the engine as if i take this off i can see if it has pressure?

any other thoughts are more then welcome.
I'm struggling to think of what it could be now.
thanks Rob

Range Rover Blues:
Fuel supply lines are on the rear driver's side, one is held by a jubilee clip, the other by a threaded union.  If the plugs are wet with fuel then think faulty spark or soaked plugs, try putting them under the grille, fitting them whilst hot and try again.

I find if my battery dies though it will not fire even if it turns over.

I check my sparks with a flashtester, but I havn't seen these for sale in years.  Try a good spare plug and look to see that the spark is blue, not yellow.

big rob:
thanks for that i didn't think of the plugs, i will swap them tomorrow if i have time, let's hope it is good news tomorrow.
cheers rob

big rob:
swapped the ecu over , it's ok. swapped coil over , it's ok.
If the air flow meter  has failed would this stop it firing? i will swap this tomorrow.
However if the fuel lines are disconnected engine has a little cough and thinks about it, also after about one minute of trying i nearly filled a gallon pot with fuel so pump must be ok.
i now suspect the air flow meter.
cheers Rob

Range Rover Blues:
On the flapper, yes, on the hot wire, no.

If it;s using that much fuel then try pulling the fuse for the fuel pump and try it again, it sounds like it's flooded.

Without the pump it should at least cough, if not run for half a second.

Coould also be the fuel pressure regulator has bust.

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