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Rough idling issues

2K views 3 replies 4 participants last post by  44661 
#1 ·
I have a 2012 Chevy equinox 140,000 miles idols really rough stalls a few times I have changed all four spark plugs ignition coils both O2 sensors and still no results of the issue anybody have an idea what’s going on
 
#3 ·
Hard to diagnose on the net but how about going to local auto parts and have them scan it for codes?

I might also throw a can of Seafoam in the tank and top it off with some premium
 
#4 ·
Dealership the other day asked me about 2 things to do that sort of interested me but will hold off since I only have 20K miles. One was emissions service and the other was fuel system cleaner. This was about $120 each to do. I do know they are going to use BG Products to do this and I looked into this last year. So wanted to give you an idea of the price of a dealer. This supposes to help with rough idling from what I have read. FYI there is a video of a 20-year-old Ford truck with a million miles on it, using the original engine and transmission. Claims it was BG Products, and was all highway miles, of course.
 
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