2005 Volvo V70 T5 - misfire cylinders 1, 2 and 4

Aks650 · Feb 26th, 2018, 00:28

2005 Volvo V70 T5 - misfire cylinders 1, 2 and 4

Looking for some help and advice, car hasn’t been used for a few months and has developed a misfire on cylinders 1, 2 and 4 (fault codes ECM-311C, 312C and 314C) so far I have tried the following

- New spark plugs (genuine Volvo)
- Swapped all coils over from a working V70R
- Swapped RPM sensor as it through code ECM-5000, again from a working V70R
- Swapped injector from cylinder 3 to cylinder 1
- Tried another MAF
- It has good compression on all 5 cylinders

Any ideas?? It’s becoming a tad annoying now, and I’m at a loss of what to attempt/try next...?

GrantA · Feb 26th, 2018, 10:14

Adam,

You might get a better response if you posted your query in the correct Section of the Forum for your model, this Section of the Forum is for the Volvo S80 '06> / V70 '07> XC70 '07> models (V70 Generation 3).

Good luck.

Feb 26th, 2018, 00:28	#1
Aks650 Member Last Online: Mar 22nd, 2024 17:57 Join Date: Apr 2012 Location: Perth	2005 Volvo V70 T5 - misfire cylinders 1, 2 and 4 2005 Volvo V70 T5 - misfire cylinders 1, 2 and 4 Looking for some help and advice, car hasn’t been used for a few months and has developed a misfire on cylinders 1, 2 and 4 (fault codes ECM-311C, 312C and 314C) so far I have tried the following - New spark plugs (genuine Volvo) - Swapped all coils over from a working V70R - Swapped RPM sensor as it through code ECM-5000, again from a working V70R - Swapped injector from cylinder 3 to cylinder 1 - Tried another MAF - It has good compression on all 5 cylinders Any ideas?? It’s becoming a tad annoying now, and I’m at a loss of what to attempt/try next...? __________________ Adam - 2005 Volvo V70 T5, Geartronic

Feb 26th, 2018, 10:14	#2
GrantA Master Member Last Online: May 10th, 2019 09:02 Join Date: Feb 2012 Location: Inverness, Scotland	Adam, You might get a better response if you posted your query in the correct Section of the Forum for your model, this Section of the Forum is for the Volvo S80 '06> / V70 '07> XC70 '07> models (V70 Generation 3). Good luck. __________________ 2009 XC70 Geartronic SE Lux (185HP at the moment......) Porsche sold looking for a P1800.......

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