2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

fuel pump tick

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Old 10-09-2008, 03:11 AM
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fuel pump tick

the past couple of weeks driving home from work, i here a loud thud/tick in about 40-50 secound intervals, any idea what that is?
Old 10-09-2008, 03:44 PM
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You can hear it while driving? Under what conditions does it occur?
Old 10-10-2008, 11:47 PM
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happens mostly at night, the right back side by the gas cap, its like a thud like some ones in the the trunk,
i think its moister geting caught some where, cause it has been muggy at night
Old 10-10-2008, 11:49 PM
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those are just the quarters spitting out of your exhaust everytime you apply pressure to the gas pedal.
Old 10-10-2008, 11:49 PM
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its a gas cap vacuume test...but it shouldnt do it while you are driving...it should sound like someone inside ur trunk punching the decklid...
Old 10-11-2008, 12:13 AM
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i noticed mine does that after i shutoff the car . takes about a minute or so. that is the same sound we are talking about right? sounds like 5 clicks.
Old 10-11-2008, 12:47 AM
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You guys need to stop driving around with the windows up and radio off

I have never heard my car go through the EEVAP tests in the 10 months Ive had it.
Old 10-11-2008, 02:20 AM
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I hear that on a regular basis while driving. Sounds like someone is knocking from somewhere inside the trunk.
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