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Hi All,

So today, after putting gas (Shell, premium) in my 2014 Cayenne base, I got on the freeway and shortly after, the check engine light came on and Cayenne started shaking abnormally. I was able to turn around and get back home but I noticed 

1. When I stop, the CEL flashes and the Cayenne shakes a lot more
2. When I press on the gas, it takes a long time to pick up speed (really struggling). 
 
I connected the Durametric when I got home and I see the following misfire fault codes on it.
 
Anyone have any suggestions? Cayenne has around 62k miles on it.  
 
P030000
Random/Multiple Cylinder Misfire Detected Factory Fault Code 10203
Warning Indicator Off
Test Not Completed This Monitoring Cycle
Test Failed Since Last Clear
Test Completed Since Last Clear
Pending DTC
Test Not Failed This Operation Cycle
Fault Active
   
 P030100
Cyl.1 Misfire Detected Factory Fault Code 10591
Warning Indicator Off
Test Not Completed This Monitoring Cycle
Test Failed Since Last Clear
Test Completed Since Last Clear
Pending DTC
Test Not Failed This Operation Cycle
Fault Active
  
 P030300
Cyl.3 Misfire Detected Factory Fault Code 10593
Warning Indicator Off
Test Not Completed This Monitoring Cycle
Test Failed Since Last Clear
Test Completed Since Last Clear
Pending DTC
Test Not Failed This Operation Cycle
Fault Active
  
 P030600
Cyl.6 Misfire Detected Factory Fault Code 10596
Warning Indicator Off
Test Not Completed This Monitoring Cycle
Test Failed Since Last Clear
Test Completed Since Last Clear
Pending DTC
Test Not Failed This Operation Cycle
Fault Active
  
 P030200
Cyl.2 Misfire Detected Factory Fault Code 10592
Warning Indicator Off
Test Not Completed This Monitoring Cycle
Test Failed Since Last Clear
Test Completed Since Last Clear
Pending DTC
Test Not Failed This Operation Cyclea
Fault Active
  
 P130A00
Hide cylinder Factory Fault Code 10205
Warning Indicator Off
Test Completed This Monitoring Cycle
Test Failed Since Last Clear
Test Completed Since Last Clear
Pending DTC
Test Not Failed This Operation Cycle
Fault Passive

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You have multiple cylinder misfires, a common problem on these vehicles when they develop coil pack issues.  I would plan on pulling the coils and plugs with an eye towards replacing several.

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I'd be inclined to also check for water in the Shell Premium.

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Thanks all. So it I took it to an Indy shop and the first thing they noticed was one of the coils had rust. Not sure if the previous owner/dealership pressure washed the engine before I got it but I guess I need to replace all the spark plugs and coils anyway.

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Loren posted that he would also check the battery and ground wire for corrosion. I hope he is right, but just in case, what did the coil and plug replacement set you back?

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