coil problem

Jimbo370 · 11-29-2017, 09:00 AM

Code says random misfire on coil #5 x 8. Which 1 is it in the engine firing order and do you have to take the upper manifold off to get to it. The guy erases it and then I run it up to 6k rpm and the light comes back on.

JARblue · 11-29-2017, 09:13 AM

Trips says you don't have to remove the upper manifold to get to them. Here is a diagram of the engine with the firing order.

SouthArk370Z · 11-29-2017, 09:30 AM

The Factory Service Manual is available. See link in my sig.

Trips · 11-29-2017, 10:41 AM

Quote:

Originally Posted by JARblue

Pretty sure you have to remove the upper manifold to get to them. Here is a diagram of the engine with the firing order.

Thats not necessarily true in this case.

The coil packs are accessible without the pia removal of a manifold.

Spark Plug removal instructions

Jimbo370 · 11-29-2017, 12:24 PM

Thanks for the info. Looks like no one ever posted pics

for changing spark plugs. Just take off bar and loosen TB and move coils and vac lines is what I read. I knew #5 would be against the wall in the back just like my 300zx.

11-29-2017, 09:00 AM	#1 (permalink)
Jimbo370 Enthusiast Member Join Date: Jan 2014 Location: Florida Posts: 466 Drives: 09 black 370z MT Rep Power: 11	coil problem Code says random misfire on coil #5 x 8. Which 1 is it in the engine firing order and do you have to take the upper manifold off to get to it. The guy erases it and then I run it up to 6k rpm and the light comes back on.

11-29-2017, 09:13 AM	#2 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 43 Posts: 36,450 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684440	Trips says you don't have to remove the upper manifold to get to them. Here is a diagram of the engine with the firing order. Jimbo370 likes this. __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \| Last edited by JARblue; 11-29-2017 at 01:03 PM.

11-29-2017, 09:30 AM	#3 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	The Factory Service Manual is available. See link in my sig. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

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11-29-2017, 12:24 PM	#5 (permalink)
Jimbo370 Enthusiast Member Join Date: Jan 2014 Location: Florida Posts: 466 Drives: 09 black 370z MT Rep Power: 11	Thanks for the info. Looks like no one ever posted pics for changing spark plugs. Just take off bar and loosen TB and move coils and vac lines is what I read. I knew #5 would be against the wall in the back just like my 300zx.