Engine runs for 15 minutes

TMH · Jun 19, 2014

Please can anyone help....
Disco 1 1998 V8 3.9 with single point LPG system.
New Disrtibutor & leads one year ago, New coil fitted recently during the problem. Spider bypass already fitted years ago.

Engine starts and runs fine for 15 minutes then just dies, If I wait from 10 minutes to 1 Hour then it will start again and either run for 1-2 minutes or another 15 minutes.

Thank You.

Tim

fanatic · Jun 19, 2014

Suspect ignition amplifier by coil, they were moved from distributor to near radiator for heat issues and cause multiple weird faults. Last time I bought one £15 ish

TMH · Jun 19, 2014

The system does not use a normal amplifier, it has a Power amp (no markings on it) mounted next to the coil, does this make a difference or do you think it is still the his amp?

fanatic · Jun 19, 2014

Show me a picture if it is lucas amp with factory relocation kit they still play up.

also if the amplifier isn't switching correctly-the ecu sometimes thinks enging not running and cuts fuel

TMH · Jun 19, 2014

I have just disconnected the Amp in the picture and put the amp that came with the distributor, engine does not fire....

fanatic · Jun 19, 2014

TMH said:
I have just disconnected the Amp in the picture and put the amp that came with the distributor, engine does not fire....

Haven't seen that type before also does it cut out if you leave fuel cap off?

trax · Jun 19, 2014

had an engine fire at some point?

RichardH · Jun 20, 2014

trax said:
had an engine fire at some point?

I was wondering about the textured effect on the power steering reservoir as well !

TMH · Jun 20, 2014

Brought the Landy about 3 years ago like that... no other signs of fire.
Been running fine since I brought it.

TMH · Jun 20, 2014

From cold she runs for 15 minutes, when semi warm she runs for 10, takes about 1 hour to restart.

If I put ignition on I have 12V on the coil but she does not fire.
Have taken off heat senors by the distributor and same issue.

fanatic · Jun 20, 2014

To fire the pickup in distributor creates trigger signal, the amp briefly cuts power to coil to create a spark.
The earth switched signal is sent to ecu for run control

TMH · Jun 20, 2014

Have it booked in to a local Landy garage... just got to get it there somehow....

Engine runs for 15 minutes

TMH

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