Re: rough idle in 2008 2.3L automatic
Update
Fuel pump now making a high pitched noise. Sometimes louder than others.
Taking it to the repair shop on 9/1/16 to have it replaced and new fuel filter as well.
Dang thing costs a small fortune for the part.
Reason:
I have the 111.5" wheelbase. The 125's pumps are 1/2 the price!
Still engine missing a lot. Sometimes lopes badly in the morning then straightens out after 5 seconds or so. Any idea on that one?
Been running ethanol free gas for past 6 weeks and adding B12 chemtool to it as well.
My EPA mpg is rated 18 city. I an getting 23.5 city with that mix and with the engine miss and bad fuel pump. Highway MPG no change (maybe slightly less MPG at 55 mph) If A/C on engine vibration/miss very noticeable. MPG drops to 18 mpg city.
I do smell raw fuel on startup in the mornings but that goes away after a minute or two. No apparent soot buildup on tailpipe.
I wonder what I would get if everything was fixed?
I did not notice a fuel rail return line either nor a fuel pressure regulator.
Does it even have those????
I also noticed that when the engine miss is at it's worst, A/C on, engine hot, in gear and waiting at stop light, the brake pedal goes nearly to the floor.
Truck only has 63K miles on it (it is also an automatic).
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Last edited by zolar1; 08-31-2016 at 12:49 PM.
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