98 V70 t5 Random Misfire Help

acesnof · Post by **acesnof** » 10 Aug 2014, 19:13

Some cylinders misfire in my car only when I am accelerating.

I have changed the spark plugs and wires with non OEM, I'm going to try replacing that with those tomorrow but I'm not sure it will do the trick. I have also replaced Cap and rotor, changed some vaccuum lines and have rerouted the cam wires with no luck.
Has anyone else had this problem and what fixed it for you? Any help would be appreciated. Thanks

Post by **RussB** » 10 Aug 2014, 20:13

Common issue with the turbos, the fix is OEM plugs. These cars are sensitive to spark plugs

What plugs did you put in there?

Post by **shaker_chi** » 10 Aug 2014, 20:21

I've had this problem a few times on my 98 S70 T5. The first time it was a spark plug issue. The previous owner installed a platinum Bosch plug. The O/E plugs solved the issue. It occurred again and ended up being a bad spark plug wire, so I upgraded to the 8 mm IPD set. No issues since. Not sure when you get the misfire, but I was only getting it when I gave it some pretty good gas on the expressway. Good luck.

acesnof · Post by **acesnof** » 10 Aug 2014, 20:43

shaker_chi wrote:I've had this problem a few times on my 98 S70 T5. The first time it was a spark plug issue. The previous owner installed a platinum Bosch plug. The O/E plugs solved the issue. It occurred again and ended up being a bad spark plug wire, so I upgraded to the 8 mm IPD set. No issues since. Not sure when you get the misfire, but I was only getting it when I gave it some pretty good gas on the expressway. Good luck.

That is exactly when it happens for me thanks!