Problem, help appreciated

[hot metal]

jamienshelly said:

Swap the 2 relays round (ecu and fuel pump), if the fuel pump primes, a new relay is needed.
Also check that you ign pack has a good earth at the plenum, No earth, No spark (or very weak)

Thanks, something else to try anyway, I`m getting close to dragging it off to Melton Mowbray, which is starting to sound expensive.

[hot metal]

blitzracing said:

You can do a really simple test- remove the dizzy cap, rotor arm, and plastic cap that covers the magnetic trigger rotor. Then rotate the engine until one of the rotor lobe sits directly opposite the pick up. Then remove the main HT lead from the dizzy cap and jam a spark plug in with tinfoil or whatever and then ground the plug. Now turn on the ignition, and tap the gap between the rotor and trigger pick up with a flat screw driver to close the gap. You should get a spark from the plug, and the pump should prime. If this fails try sticking a magnet to the screwdriver shaft and repeating. No spark means you have a coil, coil supply, or amp issue (not forgetting the immobiliser ). You can always check for power on the positive side of the coil- its will be less than 12 volts as the system runs a ballast.

Crikey, I`ll be sure to try & follow all that, thanks for the post. Can I just ask, can all of this be down to the immobilizer alone & how to fix it?

[hot metal]

Not sure what happened in the end, I left it last weekend with a dead fuel pump. Yesterday I hot wired the pump, fuel was getting to the engine & there was a spark but no life to the injectors. Checked the fuses & the 20A ecu fuse had blown, replaced it & she started up straight away, no obvious ill effects. I will be carrying some spare 20A fuses for now & keep an eye on it, not that I`m going anywhere at the mo.
Thanks to all for their help & I think I will be looking at the pre-cats again when the weather is better next year.

[hot metal]

Thanks for the input Dave, all good to know. It`s running fine at the moment but I can`t help feeling there is something lurking undiscovered, a fault in the loom maybe.

Andy