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2005 Pontiac Bonneville Question: Trouble staring in morning or after sitting for long period

 

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05GXP, 4.6L V8, Bonney Lake, WA, June 15, 2011, 12:53
 Rookie

Willl not start right away and has an "ether" smell. Thinking of fuel filter or catalytic converter?

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  • Answer #1

    Jim Taddei June 15, 2011, 13:10
     Master

    It sounds like the fuel system for your 2005 Pontiac Bonneville is loosing fuel pressure while sitting. The best way to confirm this would be to connect a fuel pressure gauge, the gauge should hold pressure after the engine is turned off. If it does not, that would indicate a leak which would require further diagnoses. I would doubt very much that is problem is being caused by the fuel filter or the catalytic convertor.

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