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Discussion Starter #1
For the last few days, the engine idled rough when I started it cold. After a few minutes, the idle smoothed out. Yesterday the MIL (malfunction indicator light) came on and stayed on, even though the vehicle operated normally. I took it to the dealer this morning and it threw code P0300. The tech theorized that it might be a fuel delivery issue, and the fuel pump might need replaced if it persists. Has anybody experienced the same thing with their 392's?
 

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No problems at all with mine at 1400 miles. Well, except for the thumping trunk monkey!
Sorry to hear that you are already having an issues with a new car.
 

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Discussion Starter #4

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Sorry to hear you're already having problems and I just hope that this is the only issue anyone with a 392 will have for a long time. Picking mine up tomorrow and it already had a running light out, which I need to check if they fixed, but I hope you just got a bad pump and you'll have no problems once they replace it.
 

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Discussion Starter #6
The car started up normally this morning at 4:30 am, about 40*F out there. I drove it up to Tucson and back for a car show, about 200 miles. I'm of the belief it was a batch of low-quality fuel I got. I'm not going to worry about it further unless someone else reports the problem. Thanks for your comments!
 

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Yeah, don't go back to that station anymore. What octane rating are you using? May need 93* that's all I used in my RT 6spd.
 
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