GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Rough idle?

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Old 02-04-13, 01:50 PM
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joeyfett
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Default Rough idle?

Problem started yesterday night randomly while I was driving. I noticed as soon as I let my foot odd the pedal the car began to shake slightly while coming to a stop. The car accelerated fine without a problem it was only when I let my foot off the gas where I noticed the vibrations. When I got home I put it in park and the car shook harder and I heard muffled popping from the exhaust. Anyone know what it could be?
Old 02-04-13, 02:09 PM
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ksultan78
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Originally Posted by joeyfett
Problem started yesterday night randomly while I was driving. I noticed as soon as I let my foot odd the pedal the car began to shake slightly while coming to a stop. The car accelerated fine without a problem it was only when I let my foot off the gas where I noticed the vibrations. When I got home I put it in park and the car shook harder and I heard muffled popping from the exhaust. Anyone know what it could be?
could be bad gas...
Old 02-04-13, 02:41 PM
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mexikan
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misfire,your check engine light should be on
Old 02-04-13, 03:30 PM
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joeyfett
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Can't be the gas. Been usuing nothing but Shell VPower since I bought it without a problem.


I was guessing it was misfire also. Gonna get it scanned in a bit and see what code pops up
Old 02-04-13, 04:08 PM
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joeyfett
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Turns out to be the VVTi sensor failure. Which is also causing cylinder 1, 3, 5, 7 to misfire
Old 02-04-13, 04:30 PM
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DosyBoy
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Sounds like my problem last week, oil control valve
Old 02-04-13, 09:12 PM
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joeyfett
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Do you happen to have a part number?

How hard would this be for a novice?
Old 02-04-13, 10:49 PM
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DosyBoy
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Originally Posted by joeyfett
Do you happen to have a part number?

How hard would this be for a novice?
I'm sorry I don't have a part number, and its not hard from what I hear, but but it's so cold here I took mine to my mechanic, and he charged me $25.. The part was $117 from my dealer, I gotta gs400 so my car has 2 of them, bank 1 and bank 2.. If u search I'm sure u will find it
Old 02-06-13, 02:43 AM
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joeyfett
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Originally Posted by FlockoGS4
I'm sorry I don't have a part number, and its not hard from what I hear, but but it's so cold here I took mine to my mechanic, and he charged me $25.. The part was $117 from my dealer, I gotta gs400 so my car has 2 of them, bank 1 and bank 2.. If u search I'm sure u will find it

Bank1 would be the driver side?

Cylinder 1,3,5,7?

Making sure before I order the ocv
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