Misfire cylinder 5, about to pull open engine as last resort!

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Misfire cylinder 5, about to pull open engine as last resort!

03-10-2017, 09:08 AM, (This post was last modified: 03-10-2017, 09:09 AM by willisodhiambo.)

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willisodhiambo Offline

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RE: Misfire cylinder 5, about to pull open engine as last resort!

(03-10-2017, 07:51 AM)raduandrei82 Wrote: I had this annoying thing on my E60 530i and turned out to be a mibehaving lambda oxygen sensor on bank 1, precat. No lights on the dashboard, nothing. Just some misfire codes and that was it.

What engine do you have it's l6 N52/N53 or turbo N20 ?

I6 N52. Was yours (misfire) also on one cylinder? Something I noticed and found strange. In ECU test I tried triggering the injectors. Well you know what? It fails to trigger and flags something about an environmental alarm or something like that. No error codes anywhere. Got me suspicious of oxygen sensor but why on earth is only cylinder 5 affected almost all the time? Are there two sensors pre and post cat?

(03-10-2017, 07:56 AM)beemered Wrote: Had this once with an E65, misfires on cylinder 7.
Checked everything and turned out to be the mass air flow sensor.
Cleaned it and problem solved.

Mmmh! One more thing to try!

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Messages In This Thread

Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 03-10-2017, 07:36 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by raduandrei82 - 03-10-2017, 07:51 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 03-10-2017, 09:08 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by raduandrei82 - 03-10-2017, 10:02 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by beemered - 03-10-2017, 07:56 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 03-10-2017, 11:42 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by nguyennhatquang - 04-10-2017, 04:39 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 04-10-2017, 08:46 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by nguyennhatquang - 05-10-2017, 11:54 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 06-10-2017, 13:18 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by semihmutcali - 07-10-2017, 07:52 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by JarsaR - 04-10-2017, 09:43 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 04-10-2017, 12:14 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by JarsaR - 04-10-2017, 12:22 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by okolo - 04-10-2017, 18:35 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by Ecutech - 05-10-2017, 09:39 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by solidss - 04-10-2017, 19:03 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 05-10-2017, 07:04 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by olaf - 04-10-2017, 19:49 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by semihmutcali - 06-10-2017, 09:08 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by uragan1987 - 08-10-2017, 09:22 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by bohozoku - 07-10-2017, 19:28 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by raduandrei82 - 08-10-2017, 05:15 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 09-10-2017, 06:25 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by bohozoku - 08-10-2017, 08:27 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by uragan1987 - 09-10-2017, 11:25 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by Enabled - 09-10-2017, 11:54 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by IM6 - 10-10-2017, 03:12 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by bobdinro - 10-10-2017, 04:18 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 10-10-2017, 12:07 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by Node - 10-10-2017, 14:22 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 11-10-2017, 06:42 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by Node - 11-10-2017, 06:44 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 12-10-2017, 06:35 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by raduandrei82 - 11-10-2017, 06:55 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by karpiaavi - 12-10-2017, 06:47 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by Node - 12-10-2017, 07:08 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 12-10-2017, 12:06 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by kregiel - 12-10-2017, 12:19 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 13-10-2017, 06:09 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by JarsaR - 13-10-2017, 19:15 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 14-10-2017, 07:40 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by uragan1987 - 15-10-2017, 16:50 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 16-10-2017, 06:38 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by Node - 15-10-2017, 20:13 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by bm_tech - 16-10-2017, 21:32 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 17-10-2017, 06:26 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by Enabled - 17-10-2017, 17:48 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by willisodhiambo - 18-10-2017, 07:32 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by uragan1987 - 18-10-2017, 17:28 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by Enabled - 18-10-2017, 17:40 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by Node - 18-10-2017, 19:29 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by raduandrei82 - 19-10-2017, 14:27 PM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by uragan1987 - 22-10-2017, 06:56 AM

RE: Misfire cylinder 5, about to pull open engine as last resort! - by uragan1987 - 08-11-2017, 16:29 PM

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