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

GS400 Engine with sputtering sounds

Old 07-16-15, 03:57 PM
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AstroGS400
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Default GS400 Engine with sputtering sounds

So I was driving around 65 mph on the freeway the other day, and I noticed that the red oil light (indicating low oil pressure) was on, and afterwards the Check Engine light also went on. However everything seemed fine until I was trying to step on the gas but it wouldn't keep accelerating.

I had to push on the gas to at least 3,000 or 4,000 rpm in order to get a steady 60 mph, but I quickly exited off the freeway and the car turned off as soon as I stopped.

I am still able to turn on the car and run it right now, but the Check Engine light is still on, as well as the Red Oil Light. However, the engine keeps making these weird sputtering noises, which I don't know what the reason for this is.

I have not yet been to the mechanic or checked the OBD2 codes, but If anyone can tell me anything about these conditions it would be a great help, and I will post an update if I am able to fix this. I want to know how common this is, because my car was doing fine until I started driving on the freeway the other day, and my car failed on me quite unannounced.

Thanks in advance.

Here is the video link of what the Engine sounds like:

Last edited by AstroGS400; 07-16-15 at 04:09 PM. Reason: Edit:Uploaded video link
Old 07-16-15, 04:07 PM
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JimBobNC
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Does your car have sufficient oil?
Old 07-16-15, 04:12 PM
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AstroGS400
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Yes, the engine oil level is full and I changed it about a month ago, along with the transmission fluid.

Engine coolant levels, brake fluid levels, and power steering fluid levels are all normal.
Old 07-16-15, 04:40 PM
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JimBobNC
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From the video, your engine seems to be making a lot of clatter. If so, that's a sign of low oil pressure. It could be cause by a failed oil pump or a component in the oil system. On the one hand, I would recommend not driving the vehicle, on the other hand, I expect damage has already been done. A low oil pressure indication is reason to pull over and stop the engine immediately. I recommend checking the oil pressure.
Old 07-16-15, 04:43 PM
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paulrichmo
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whats the milage? Has timing belt been changed? Did the belt jump a couple teeth?
Old 07-16-15, 05:52 PM
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AstroGS400
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Current mileage is 184K miles, and yes the timing belt has been recently changed but it doesn't looked like it jumped a couple of teeth.

As far as I can tell, the problem might stem from an oil pressure issue. I noticed that there were spots under the car in which the oil was dropping, so there might be a leak somewhere. I am going to have to clean under the car and check the Check Engine Light codes to see if I can find the issue.

I'll post an update if I can find the solution.
Old 07-16-15, 06:42 PM
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Good Luck! Hope its not major!
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