Question about 1999 Dodge Ram
No-- it does not run better
Your letting in unmetered air & the oxygen
sensor sees that & the computer adds fuel
& your rpm goes up for awhile
Are the spark plugs over 3 years old?
Is the fuel pressure at motor correct
Does the misfire set a PO300 code
Does the check light stay lite or blink
Is the egr system working as it should
Any vacuum leaks,exhaust,evap system,
O2 Sensors over 100,000 miles,front ones
PCV vacuum leaks
See if you can get a road test with a professional
scan tool along & look at cylinder misfire counts &
Posted on Nov 30, 2012
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Posted on Jan 02, 2017
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