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Help G35 2007 isnt running right

1K views 0 replies 1 participant last post by  F7LTHYG35 
#1 ·
So i bought a g35 about a month ago, 2 weeks later it pops up with an check engine light. I cant drive past 30 mph and it does backfire a little, fuel is coming rich thru the exhaust. What could it be??

G35 has had work or replaced

Previous owner
replaced the spark plugs, coil pack , camshafts position sensor, upstream o2 bank 1 oil change Replaced the part of the y pipe because it had a hole in it

Myself
Clucth oem and flywheel
Spark plugs OEM dbl platinum I believe
All that gets done and still having same issue
Bought some qyl coil packs on amazon to see if that was the problem still the same result
This morning i sprayed a bit of carb cleaner in the intake, ran smooth for two seconds then back to rough. Is it possible that the fuel injectors are the cause or could there be more?? Im at the point of being tired of bleeding money. Help!!
 
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