Car Stalls Occasionally at Speed - Rolls-Royce and Bentley Forums
 
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post #1 of 4 (permalink) Old 03-21-2019, 10:25 AM Thread Starter
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Car Stalls Occasionally at Speed

I own a 2009 Bentley Continental GT. I have this car serviced regularly, just had its 10 year service, the odometer showing 52,000 miles. I went through a full tank of gas (I only use Chevron, premium) after this service, on the next fill up, the car on 4 different occasions did not respond to depressions of the gas pedal, "stalled". It was like the car was starved for gas. It lasted 10 seconds or less before the car responded to throttle input. I suspected bad gas so I used over 3/4 of the tank, had my Bentley mechanic install another new fuel filter and the mechanic also added an additive to the fuel tank. No more problems with the next 3 fill ups and no, I did not refuel at the Chevron station where I suspected bad gas. Yesterday, the car again "stalled" doing 40 mph in heavy traffic on the freeway, this time it lasted longer, perhaps 15 seconds. Then again a couple of hours later it "stalled" doing 30 mph on a city street.


No dashboard lights have lit up and no error code messages were found using the scanner. The outside temperature was 70 degrees and the engine temperature is always around 200 degrees. The transmission has been problem free, although the next time it happens I want to observe the tach to see if the revs go up when I depress the gas pedal. Doing some research and now knowing enough to be dangerous, if the rpm's go up, I suspect it could be the torque converter. Since I purchased the car, I have logged 30,000 miles and have never experienced any problems with the car until now.


Thoughts?
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post #2 of 4 (permalink) Old 03-21-2019, 10:47 AM
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Torque converters rarely go and if they do it will be quite noticeable

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post #3 of 4 (permalink) Old 03-21-2019, 10:59 AM
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There is an electrically controlled transmission in the car with it's own ECU. When you say "stalled"...did the motor die or did the car stop moving? Will the motor run in neutral?

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post #4 of 4 (permalink) Old 03-22-2019, 02:34 PM Thread Starter
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I do not think the motor actually quits, if it had I believe I would have seen lights on the dash light up. In addition, within 10 seconds of the accelerator pedal being non-responsive, the pedal was responsive again to input, I did not have to restart the car. During this 10 second period that the accelerator pedal was unresponsive, the tach showed the engine at 2,000 rpm and the car was slowing down from its speed before this anomaly occurs.
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