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Aero hesitation - pl;ug issue?
Posted by loumash [Email] (more from loumash) on Tue, 9 Aug 2005 06:25:39
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I recently did the equivalent of a 60k service on my 02 Aero. Plugs (PFR7H10), fuel filter, air filter and oil change. After about 1500 miles I seem to have developed a slight surge when crusing on the highway at light throttle. Watching the boost gauge, it droops from about 1 # of vacuum/0 # of boost down to 5# of vacuum or so. It will surge back and forth between those values if the throttle position is not changed. It seems to run fine at full throttle, plenty of boost etc. I'm wondering if the PFR7H10 plugs are the culprit, should I have used the PFR6H10s instead? I drive aggressively but it's stock and I’m not racing it or anything. I drive combination highway/city driving. I have not triggered any CEL or other issues. I'm planning in adding some injector cleaner on the next tank full of gas.
Thoughts?
posted by 141.154....
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