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29th September 2021, 19:01 | #21 | |
This is my second home
rover 75 1.8 vvc club se wedgwood blue Join Date: Aug 2009
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Just to add, engine light on is usually attributed to lambda and associated wiring problem on a N/A 1.8 Also plug gaps should be .75mm and not the stated 1.0mm Last edited by suzublu; 29th September 2021 at 19:03.. |
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6th October 2021, 10:58 | #22 |
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Just to update for now: used contact spray on the charcoal canister plug. Also went and checked the orange clip again just in case, and it's still on there holding everything together nicely.
I've then cleared the codes again and so far, they're not back yet. Last time it took a little while for them to return so I'm unsure whether it's sorted now or I just haven't driven enough since, but fingers crossed the light stays off... Either way, to be continued |
8th October 2021, 18:46 | #23 |
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Alas, no solution yet.
After a few motorway runs, the light's come up again. Again P0445 and P0420. Is there a way I can check whether the canister works as it should or should I just replace it? Or is there maybe something else going on? |
9th October 2021, 07:13 | #24 |
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Is your engine still hiccuping and stuttering Erik?
Sometimes generic code readers give spurious results; I'm thinking of P0445. Have you tried unplugging the purge control valve to see if that code changes? It's not a fault I have ever experienced on this forum. Regarding P0420, could you get your emissions checked to verify that? The engine may be reporting catalytic converter inefficiency because there is a fuelling/ignition fault which may be the cause of the erratic running. Simon
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9th October 2021, 12:05 | #25 |
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No, the hiccups disappeared after I changed fuel stations and they haven't returned since. When idling, however, the rev counter dances slightly. I'm guessing that could be related to the purge valve fault code?
As for the fault codes: they show up on TOAF, so I'm hoping they're accurate, otherwise what's the point of TOAF? I'll have a look around for a place that can test emissions. Not too many independent shops have that option around here. |
9th October 2021, 18:49 | #26 | |
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Simon
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10th October 2021, 13:20 | #27 |
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We have those, yes, mandatory every year but the shops themselves don't do those.
I believe in the UK MOT centres also carry out repairs etc, just like normal shops? Over here, our equivalent of the MOT centre does only that: they only check whether your car is safe/up to code. If something's off, you get failed and need to take your car to the shop, have it fixed, then take it back to the MOT centre. My MOT is still valid until end of January so can't take it there yet either. Edited to add: many local shops don't invest in the emissions equipment from an investment point of view: they often think it costs too much. |
7th January 2022, 13:13 | #28 |
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Thought I'd provide an update just in case anyone would be wondering.
Ended up finding a local Jaguar Land Rover garage not too far from me, who still employ someone with Rover knowledge. They couldn't really find any visible faults or leaks, so they reprogrammed the stepper motor of the throttle body since that seemed to be where the problems originated. That seems to have sorted it, now over 1000 km without any issue. |
8th January 2022, 16:57 | #29 | |
I really should get out more.......
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This is very vague, and not terribly helpful, but the stepper motor is always going out of spec on my TF, which as far as I know has the same engine... maybe there's an issue with them, and worth replacing?
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Past cars: MGB GT; Escort 1300 Sport; Vauxhall VX4/90; Marina Coupe TC; Celica ST (1972); Montego Turbo; Astra GTE 16V; Astra GSI 16V; Golf GTI 16V (Mk II); Sierra XR4x4 Estate; BMW 325i (E30); BMW M3 3.0; BMW M3 3.2 Evo. Left some of the more embarrassing ones out. And about 30 motorbikes. |
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12th January 2022, 08:37 | #30 |
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For now I'm just going to leave things as they are, see how it goes. So far, the reprogramming seems to have done the job so no need to replace it in my eyes. If my car starts having the same issue again, though, I'll be sure to let the shop know.
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