Datatek said:

Mine still ran with a dead needle lift sensor, I cannot remember if if ran badly. As you say, replacements are expensive. Have you checked to see if the connector is full of water?
Old fashioned Aspirin works best for my back when it plays up.

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Grrrrrr said:

I have no undertray on mine. Shouldn't matter as I have had water over the block when wading and no issues. Mind you, Tomcat fried his with a hosepipe. Guess you could always unplug it and try a hairdryer.

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Datatek said:

Seal it in a resealable plastic bag with a sachet of silica gel. I don't leave diagnostics in the car all the time but do take them whenever I go out.

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Flossie said:

Managed(well, the wife did) to unplug the connector to number 4 injector after I removed the inlet ducting only, manifold left in place.
DMM is reading open circuit when I probe the two terminals.
Clarification that it's deffo dead?
No damage to the cable at all.

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Flossie said:

Searching, on here, has shown 2 bosch part numbers, early(pre egr) and late with egr. White plug for early, dark brown/black for later.
Mines 2001 with egr and has the black plug. Bosch part number for the later one is 0 432 217 279.
Prices vary from £240 odd iirc and £400 odd, most are around the £300 mark. I've found the part number in a couple of eBay listings but I have to enter make and model etc in a drop down menu to confirm its the correct part but it then says that "this doesn't fit your vechicle"
Pic is correct, part number is correct but computer says no!
Will only fit vauxhall/bmw, I know they are the same m51 engine but it's still making me nervous to purchase it even though the saving is c£40.

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Flossie said:

Island don't list the later one, nether do paddocks.

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Datatek said:

Try Rimmers or Europart. Before splashing out, make sure the wires have not broken.

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RangeRoller dt said:

You should have the later injector (if all is original). There’s a different connector as you’ve seen, but for few extra quid it’s worth getting the right one rather than chopping a brand new unit up.

If you can get your hands on a cheap second hand early unit then chop away and take the chance.

I’ve had FIP and inj4 issues - never had that particular warning sign. Maybe later models are different but wouldn’t have thought so. CPS doesn’t nornally throw a dash symbol or show any sign other than running issues/diagnostics error.
I never had undertrays or issues with wading/water

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