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BMW 3-Series (E90 E92) Forum
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Cylinder 1 and 5 misfire-07 335i e90
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08-27-2020, 02:26 PM | #23 | |
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Yes I did make a post stating it's either the wiring harness or the injectors. You seem to think that because I'm saying the OP's problem is not a LEAKING injector that I'm saying it's not an injector problem (even though I've made it clear it is an injector problem from the beginning). I even bolded and italicized that key word "leaking" in my first response to you. Checking to see if fuel is leaking out of an injector (in its off or de-energized state) has literally nothing to do with checking to see if the electrical component of the injector has failed. Do you understand this? Your comments reflect that you don't.
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08-27-2020, 02:47 PM | #24 | ||
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didn't smell or see fuel on the plugs but now also have my injector fuel rod off so obvi there is a fuel smell now will try to switch injectors out later today when i have better tools, JUST to see if that is the problem coils, plugs, connectors, and the grounds have all been cleaned (they had some oil on them) and the harness checks out ok by the looks if i don't isolate the injector as a a problem i will go through the harness and check everything if not that my last step would be to check the dme and see if the mosfets are bad still find it very weird that i have a trans light, and whatever my electrical problem is keeps draining the battery |
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08-27-2020, 03:00 PM | #25 | |
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And I'm not really trying to win an argument. I do want people to have a right understanding that certain codes point to certain faults. That understanding enables us to take advantage of their specificity and not go down endless rabbit holes.
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08-27-2020, 03:04 PM | #26 |
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Now what do you mean this electrical problem keeps draining your battery? How quickly? Did this issue begin after some crazy rain? Was the battery draining before you cleaned some connections?
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08-27-2020, 03:25 PM | #27 | |
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but the day after the problem started it started the battery problem the car battery died overnight and nothing was left on, charged battery again n now today it is dead, never had a problem with it until now, leaving it on a slow charger until i get injectors switched did have some bad rain but drove the car just fine after until it slowly started to act up then just give out completely |
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08-27-2020, 05:34 PM | #28 |
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Interesting. That makes it sound like a possible issue with the DME. Have you opened up the compartment where it lives to see if it's wet?
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08-27-2020, 07:40 PM | #29 | |
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however i may have found the problem or actually most likely another problem, the valve cover i replaced abt 3k miles ago is leaking oil in the middle even though it's brand new, oil seems to be leaking and getting on to the plugs hence why i have some oil residue on everything in that area still have tried cleaning the coil and plugs connections but no solution anyway the oil has gotten in by an injector and ruined anything? just seems it's just another problem but my main one still points to my injectors just going to have a bmw guy stop by one day this week to check out everything see what he thinks, will keep posted on what happens |
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08-28-2020, 07:27 AM | #30 |
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Yeah, I would assume your leaking VCG is another problem. And if it's any consolation, you're far from the only one to replace it only to find out the new one is leaking.
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09-10-2020, 04:38 PM | #31 |
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Bmw guy wants to put a new valve cover, new fuel pump, and all new injectors safe to say i'll be finding another way, start with swapping out used injectors with new rings
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09-20-2020, 09:12 AM | #32 | |
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09-20-2020, 10:22 AM | #33 | |
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Have you done a log after all the above? |
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09-20-2020, 04:42 PM | #34 | ||
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09-25-2020, 12:20 PM | #35 |
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09-26-2020, 12:12 AM | #36 |
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I had the platinum bosch ones and replaced them for the copper bosch ones only ones the auto parts store had and i just wanted the car fixed hopefully these will last more than 2k
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09-27-2020, 02:50 AM | #37 | |
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Stock OEM ones Should last, Mechanic recommended replacing them every 7.5k miles. Using OEM Bosch ones myself, been well over a year, no issues. |
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09-30-2020, 02:26 PM | #38 | ||
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