Help on a DME from a PPI for a 2005 C2S
#18
There are lots of people on here who will not touch a car that has ever seen anything above a 3. For this car, numbers are very light. It should be a non issue. Now that does not it it WONT be an issue. Just my read from the numbers.
#20
You have to pass through 1 to get to 2 so seems like a bogus report.
#21
My only thought would be that the DME records the peak RPM of any single event without recording the ignitions below it for those could be assumed.
#22
Thanks for the replies everyone. Car still has CPO warranty for 3 more months which is still valid given they found a bad water pump on the PPI that they're currently replacing. Who knows though? If I buy it and the engine goes during the 3 remaining months they may use that to deny a warranty claim. I'll find out tomorrow the engine hours that these ignitions occurred from the dealer. If its remote then I'll be more likely to move forward. I'd still like to hear if anyone else has any thoughts.
Even for yourself, I strongly suggest not buying unless the dealer at least -- and PCNA preferably -- sign a statement reaffirming the CPO for the drive train with that DME readout attached and acknowledged.
Gary
#25
Sorry, I got interrupted here and just hit 'submit'. The computer classes an over-rev as a single event and then records the time on the engine and how many ignitions occurred in that peak range. It will not record that same event in the other rpm ranges, even if several ignitions took place while the engine was reaching that peak speed or slowing back down.
This is a choice made to keep the event recording simple, no other reason. Obviously, if you wanted a diagnostic tool for the aftermath of a specific event, you would want a time versus rpm map for the entire period the engine spent above red line. That and other data as well if I had my druthers. DME is not that type of tool. Basically, it's just a way to recognize mistreatment of the drive train, either intentional or through error.
Gary
This is a choice made to keep the event recording simple, no other reason. Obviously, if you wanted a diagnostic tool for the aftermath of a specific event, you would want a time versus rpm map for the entire period the engine spent above red line. That and other data as well if I had my druthers. DME is not that type of tool. Basically, it's just a way to recognize mistreatment of the drive train, either intentional or through error.
Gary
#26
Since you really want to know, I wouldn't touch the car if you offered it to me in six months. I know the remaining months of PPO feel reassuring to you right now, but the next buyer won't have that.
Even for yourself, I strongly suggest not buying unless the dealer at least -- and PCNA preferably -- sign a statement reaffirming the CPO for the drive train with that DME readout attached and acknowledged.
Gary
Even for yourself, I strongly suggest not buying unless the dealer at least -- and PCNA preferably -- sign a statement reaffirming the CPO for the drive train with that DME readout attached and acknowledged.
Gary
#27
Gary
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