Berlingo running rough

[steve j]

Following on from a previous thread, my Berlingo suffered a breakdown. A postive feed from the alternator to the battery had a terminal breakage and flailed around. I`ve had an ecu and bsi unit fitted so all my electrics now work. I`ve had a replacement fuel pump fitted and my mechanic reckons the engine gave little pops out of the induction side of the engine, could this be worn valves ? an older mechanical pump has been fitted and the car sounds very clattery and needs a squirt of engine start to get it going. I suspect that the pump timing may be out. Also it now produces smoke from the exhaust under load and the tickover has to be at 1100 rpm or the engine stalls. Can anyone give me a few pointers as to what could be wrong, my mechanic is puzzled, cheers.
steve j

[steve j]

Bump, anyone ?

[megamaniac]

It does sound like pump timing,why did he change the pump?

[steve j]

megamaniac said:

It does sound like pump timing,why did he change the pump?

No fuel was being fed to the injectors.

[megamaniac]

Did he actually change the fuel shut off/immobiliser in your original pump?If so there is a shuttle valve inside that fails but that would be a huge coincidence at exactly the same time as the electrics failed.

[steve j]

megamaniac said:

Did he actually change the fuel shut off/immobiliser in your original pump?If so there is a shuttle valve inside that fails but that would be a huge coincidence at exactly the same time as the electrics failed.

It`s now running ish on an old mechanical pump and over the weekend I`m going to check all of the timing. The old pump had no fuel even after he changed the shut off valve. It had two replacement pumps that didn`t work at all, so the mechanical pump was fitted with a seperate feed to the shut off valve.