Vehicle & Technical > Range Rover

Conversion Troubles ( Starts then stops)

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Lewis.J.P_1987:
Ive just done a Carb to EFI conversion on my mates comp racer using a 3.5 range rover as a doner.
It all starts and runs for about 5 seconds then it dies. Any Ideas Cheers.

landy_bug:
check your fuel supply to carbs it might not be fuelling enough to keep it running?? other than that i don't have a clue :-k

Range Rover Blues:
Is it a flapper system?

Check the ECU gets an ignition signal, if not it will cut out to stop fuel leaks from a stalled engine in a crash.

Bowie:

--- Quote from: Range Rover Blues on February 15, 2010, 00:03:33 ---Is it a flapper system?

Check the ECU gets an ignition signal, if not it will cut out to stop fuel leaks from a stalled engine in a crash.

--- End quote ---

Sounds classicly like this, black/white wire to coil -ve, comes from the AFM part of the loom :)

Lewis.J.P_1987:
Thanks for the reply. Yes its a flapper system from a '87 Range Rover. Were does the ECU Get its ignition signal from? I have the Ignition cable connected. (White Wire) to a constant 12v When the kill switch is on. The (Red White) wire i have connected to the crank button. The (Purple White) wire is connected to a relay which activates the fuel pump. This is what i have understood to be the norm?

The wire I have connected to the -ve side of the coil which was attached to the airflow side of the loom is (White Green). There is no (White Black) wire on that part of this loom.

We have put a temp. fuel source to the plenum and it runs fine, but this bypasses the need for the injectors. We are waiting on a new fuel pressure regulator and a RR Fuel pump to try, as the ones we are using are off a TVR and might not be compatable.

Any more thoughts would be appreciated, Cheers.
Regards Lewis.

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