showing code PO499

2007 SATURN VUE
90 MILES
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PATL115
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Have a 2007 Saturn Vue, 3.5 l 6 cylinder AWD which is sick and showing code PO499 What does this mean? The code is not in our book. won't go over 45 mph shakes and bucks
Apr 18, 2012 at 8:21 PM
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DOCFIXIT
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EVAP control voltage high should not cause the 45 shake and bucks. Fuel pressure O.K.? recent repairs?
Apr 18, 2012 at 9:02 PM
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SATURNTECH9
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Just to add to this one check for a plugged cat.
Apr 18, 2012 at 11:30 PM
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PATL115
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No recent repairs, but did have an oil change within last two weeks. Plugs were checked and they guy who checked it said compression is lot on cylinder 6.
Apr 19, 2012 at 11:08 AM
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DOCFIXIT
  • ✓ASE Certified Mechanic
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Agree with saturntech possible pluged CAT have backpressure tested
Apr 19, 2012 at 3:29 PM
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