Question about 2007 Saturn ION-2 Quad Coupe

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Check engine light code P0496

My check engine light is on and i smell gas fumes coming from the tail pipe so put a code reader on it and it came up with code P0496. What does this mean

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

ZJLimited
  • 17970 Answers

SOURCE: 2002 Saturn SL1 check engine light code P0303

For old models, Saturn/GM also used the same material fiberglass gasket in your model, you almost certainly have a leak from a crumpled, sucked-in gasket as I suffered (and many others). I would say going to Saturn dealership to make repairs is probably not good idea if they are going to put in the same GM intake gasket part. Maybe possible to specify Felpro gasket with whatever shop you go to if you don't do the repair yourself. I would not go too long with your car in that condition as there is localized leaning at your cyl-3, that could cause a burnt exhaust valve there.

The exhaust is extra hot venting out that cylinder. P0303 is misfire at cyl-3. Mine was P0301 (cyl-1). You may get P0507 once in a while when PCM fails to control the fast idle caused by the leak under certain conditions. Most of the time, it is very slow idle caused by 3 cylinders running. You run smoother in cold idle because the IAC opens up to increase idle and end up lowering the manifold vacuum, so the reduced vacuum causes less leaking at the failing intake manifold gasket.

I'd say try cleaning everything with your ignition before replacement; Idle problems could be caused by engine coolant sensor (ECTS). Are you sure it was changed? Did they put on a new wire connector along with it?

Hope helps.

Posted on Dec 29, 2009

joecoolvette
  • 5660 Answers

SOURCE: 2006 Saturn Vue Check Engine Light

Disconnect the battery wait 10 minutes, then reconnect it.

Posted on Jul 12, 2009

  • 1114 Answers

SOURCE: 2007 Saturn Ion Check Engine Light Gas Cap Problem

Take the car back to your Mechanic and have the mechanic reset your system. Some may advise you to disconnect the battery, and that will reset your computer. This may cause significant problems with your car's computer,radio, alarm. Take the car to the mechanic.

Posted on Aug 17, 2009

  • 811 Answers

SOURCE: P0496 I HAVE CHANGED GAS CAP. ONLY PROBLEM IS

check fuel pressure relief valve

Posted on Sep 12, 2009

  • 14 Answers

SOURCE: my check engine light on my 07 saturn ion keeps

1174 is a lean code, and would have to been set first because it will not set when the 0300 is there. 0300 is a random misfire, because it read after the lean code, it was probably caused by the lean condition. 1st check for vacuum leaks from hoses or intake gaskets, you cal listen for a hissing sound, or spray carb cleaner around intake systems, a change in rpm will be noticed when spraying near a vac leak. other probable causes are the upstream 02 sensor, map sensor, or fuel delivery problems. does the vehicle idle porly, or does it miss at the top end?

Posted on Dec 20, 2009

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