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Great write up... did you need to clear any codes from the ABS control unit? I'm struggling with a permanent ABS light.
Worked out how to pull the codes but not convinced I understand how to clear...

You know that Johnny Cash song -about a car assembled from a miriade of other models............so ''one piece at a time'' it's been variously an 900i 8V, 900T 8V, 900T 8V with T16S...

She's been running fine for 4 months and done 4000 miles without a hitch other than running a bit rich but I never had the CO2 adjusted and left the AMM at 380ohms ....2 days before the annual...

Just a quick update to close this one down....checked the NTC and the relevent pins at the ECU end...all OK.

Bit the bullet and splashed out - so sourced a replacement AMM this week and set it to...

In hindsight and the damage to the bank account the sensible thing would have been to rebuild the 8V but a 16V came along complete with loom so was tempted into this folly!

The change from 8v to...

Thanks Sam....I'll try again reving over 3K.

I checked the NTC resistance and it looks to be OK..and varies in the right direction as the engine heats up.....maybe I'll measure resistance at the...

Ok..next question folks moving onto the AMM now (Bosch -005)

Checking the burn off funtion for the AMM.....the books say 4 seconds after switch off (engine at normal temp and after 2500 rpm or...

Thanks for that Sam...your absolutely on the ball. I've not connected the RPM signal (blue wire that also feeds the tacometer) from the ignition amp yet or tried cranking the engine as it's been...

I'm upgrading from 8v to 16V and everything's gone fine until I tried to check out the fuel pump relay operation in advance of firing her up this weekend coming.

I've decided to use the 2 relay's...

Thanks Sam..been looking for a chart like that for days now. Thanks for the guidance on the ECU too..I'll post back once I have her running.

SteveI

I have an ECU with no external markings and need find it's part number.

It's a Bosch 25 pin from I think a 88-89 16v turbo.

Apart from a green circular sticker next to the label where the...