smelser125 Posted May 21, 2010 Posted May 21, 2010 my 86 is running rich and really runs rough cold but when warms up runs ok but still burnin rich also when you are in park and rev engine quickly it has a dead spot when you first hit the throttle i have already replaced the plugs and the egr valve so i am assuming its sensor related does anyone have any ideas thanks
bigd44889 Posted May 21, 2010 Posted May 21, 2010 um o2 sensor controls fuel air mix so i would start there
smelser125 Posted May 21, 2010 Author Posted May 21, 2010 yea but doesnt that take affect after it warms up? this problem is there cold and warm worse when its cold
bigd44889 Posted May 21, 2010 Posted May 21, 2010 didn't catch that part sounds like could be an injector problum
smelser125 Posted May 23, 2010 Author Posted May 23, 2010 i live in va the truck has been sitting for about 1yr but now will be a daily driver so i am going to put new gas in and a new fuelfilter drive for a week or two and report back
Geonovast Posted May 23, 2010 Posted May 23, 2010 Take the injector out, and let it soak in injector cleaner for a day.
henryuu Posted May 23, 2010 Posted May 23, 2010 seafoam works really good..just run it through your main vacuum line that goes into your intake mani.or there is other directions on the back of the can. thats what i did and it worked
smelser125 Posted May 25, 2010 Author Posted May 25, 2010 will soak the injector and run seafoam this week and then give an update thanks
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