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I wondered if anyone has any thoughts on how many injectors I should change, based on the readouts and the leak off test? I’m thinking definitely 4 and potentially 1 too… trying to refrain from throwing too much money at parts given its overall value 🙈 Thank you :)

Thank you - I will definitely do that. I think I will post a diagram up to confirm I'm checking the right things before I start...

Edit: I fitted a new PCV/crankcase breather kit, the one below. The kit I changed out had an oily filter, but I wouldn't say loads of oily residue around the casing. It was a bit oily, for sure. Annoyingly I seem to have thrown the original out - just raided the bin to check! And below that is...

@Freddie17 has kindly been round - here are some screenshots .Thoughts appreciated... injectors, as expected, plus MAP sensor. Have included 2 photos of injector readout. P1613 MAP Control code reappeared after Freddie cleared the codes that first came up which seemed to relate to the sensors...

Indeed!

thanks @Arctic2. Possibly I was a bit complacent about the MOT… 🙈😂 We’ll report back with results…

Update... MOT didn't go well. In fact, garage called me after starting it up and turning it straight off again as after sitting for hours, it was doing the usual white smoke and misfiring on starting. I explained that it would stop smoking after a couple of mins and run better once up to temp...

Ok, thank you 🙏 He has, very kindly. I’ll see how the MOT goes - if it drastically fails then I won’t be pursuing it I don’t think as just doesn’t make financial sense really. If we’re good then I shall take him up on it 👌

That’s what I found which concerned me. Just thinking re the amounts coming into the bottles, perhaps parameters are different between the 2 tests

Sorry @Arctic2 - forgive my ignorance- so does it matter whether a “leak off” or “leak back” test was done? Just concerned as to whether this affects the interpretation of the results. Clearly either way injector 4 is (the most) dodgy given the difference, but just wondering. Google tells me...

Ah. I've discovered that "leak off" and "leak back" tests are different things... I did ask for a leak back test but clearly this was lost in translation because they've performed a "leak off' test according to the invoice. I guess this would explain the differing interpretations of the results...

Thanks for this. I will ask what the duration of the test was. The notes provided said "Cylinder 4 excessive leak, cylinder 1 & 2 low return of fuel. Advice would be to remove all injectors for testing". So he's saying the low amount in No 2 is an issue, but that actually doesn't make sense...

Hi all, injector leak back test done… 🫣 As expected - issues! Please could someone be kind enough as to explain them to me? Mechanic was in a rush, said clearly 4 has excessive leak and 2 clogged. He said he didn’t know if 1 and 3 are correct amounts as doesn’t have the data and advised that all...

Oh wow, same! Thank you very much, that’s very kind and I’d certainly be interested at some point in the near future 😃👍

No worries @MGT - was just interested. Thank you @Arctic2 - that’s really kind - I’m in Kent. I’ve got it booked in (time constraints) to get the air intake temp sensor plug rewired, handbrake tightened and an injector leak-back test, so we’ll see. To be honest, I may have to change cars to...

Ok thank you 👍 forgive my ignorance but can anyone help me with a link to a new connector? Done some googling and am none the wiser 😅

Hi all- went to fit the new air intake temperature sensor (the one at the front of the engine next to the intake) and discovered that one of the wires to it is broken (see pic). I’m positive I didn’t do this as I was very careful getting the plug off - noticed as I was plugging it back in...

Thanks, I’ll look into that

Thank you @MGT. did you swap the injector yourself? Tbh I would probably want to get a garage to do that, feel it’s rather over and above my mechanical abilities. My brother has a sort of tame mechanic who works on his old BMWs - hates Land Rovers but it’s a BMW engine right 😅 Out of interest...

Great - will do that, many thanks 👌 I will have a look for a thread with those pics in. I expect while it’s had routine maintenance, I expect it’s clogged up…