slow to start auto to man conv.

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Hi, I'm still having trouble with the cold starts on my re-shelled '89 m2b20. motronic 1.1
The donor car was an auto. It fires up on 1 or 2 cylinders the first few tries, after a few more attempts the other cylinders fire up.
I've checked and or replaced the following; cps,tps,ecu,fuel pump.dme and pump relays temp sensor, afm, coil,ht leads plugs dist cap rotor arm thus far nothing has changed. The engine was sat on a pallet in a dusty workshop for 5 yrs before being reinstated.
As yet it hasn't been out on the open road for a good drive.
Perhaps the fuel rail and injectors are next on the list ?

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Thanks for reply Willnz, yes fuel and filter fresh and no vac leaks. However
I'm very embarrassed to say the temp sensor wiring was broken at the connector, I feel a right chump now for posting before checking it. Can't believe I missed it. Sorry
Starting and running properly, at last..

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I would still consider servicing the injectors. After 20+ years of service, they are bound to be in need of some TLC.

Good point, I have a spare set to post when the cash is in hand