smelser125 Posted June 10, 2010 Share Posted June 10, 2010 ok 86 2.5 auto 2wd it has been running rich since i got it a month ago i have changed the following parts (cap,rotor,plugs,o2 sensor,air filter,mapsensor) but now worse than ever it won't idle unless you unhook a major vacumm line and when you stop at a red light people roll the window up i have went through 3 sets of plugs in a week i have soaked the injector to please help this is my only vehicle and its killing me thanks Link to comment Share on other sites More sharing options...
abugarcias Posted June 10, 2010 Share Posted June 10, 2010 Did you clean out or replace the vacuum lines? What about cleaning out the CCV lines that go into the valve cover? You can even take the valve cover off and clean out the gunk from inside that may be plugging one of the lines. Link to comment Share on other sites More sharing options...
layback209 Posted June 10, 2010 Share Posted June 10, 2010 Mabey your exhaust manifold is so badly cracked that your O2 sensor is picking up incorrect O2 levels? Link to comment Share on other sites More sharing options...
Pete M Posted June 10, 2010 Share Posted June 10, 2010 can you see the injector spraying properly? or is it just dribbling in the fuel? Link to comment Share on other sites More sharing options...
Oizarod115 Posted June 11, 2010 Share Posted June 11, 2010 can you see the injector spraying properly? or is it just dribbling in the fuel? yeah don't the early 2.5s have injector difficulties sometimes? Link to comment Share on other sites More sharing options...
smelser125 Posted June 11, 2010 Author Share Posted June 11, 2010 yea it looks like it is spraying and i will check out the manifold but after my 3rd bottle of seafoam its gettin better Link to comment Share on other sites More sharing options...
87Warrior Posted June 11, 2010 Share Posted June 11, 2010 Also try scrubbing the throttle body with a toothbrush and cleaner. Link to comment Share on other sites More sharing options...
aemsee Posted June 12, 2010 Share Posted June 12, 2010 make sure you are getting good vacuum to the MAP sensor. Low vacuum at the MAP will simulate load causing it to run very rich Link to comment Share on other sites More sharing options...
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