2014 XJR lots of codes
#1
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got on the highway and the car was running perfectly fine. I was cruising at 70mph and flew up to 135mph, then went back to cruising at 70mph. 5 minutes go by and I start to feel a jerk to the car so I get off the highway and my check engine is now flashing and the car sounds like it is running on 4 cylinders. So i got an OBD2 scanner and I am not really good at reading these types of codes so here they are and maybe you guys know about them.
p0042- 02 sesnor
P0300-cylinder misfire
p0247-supercharger waste-gate solenoid B
p0007-fuel shutoff valve A
c0700- engine oil temp. sensor
p0500- vehicle speed sensor
c2520- chassis code catalytic coverts failed
c0361- chassis trouble code
p024a-air flap actuator A intercooler/ performance problem
p16343- CAN link engine control module/ transmission control module
p0a00- coolant temp. sensor circuit
c0202- abs enable relay contact circuit/performance
p0c4a- battery pack coolant pump
p0900-clutch actuator
p0a00- motor electronic coolant temp. sensor
p0042- 02 sesnor
P0300-cylinder misfire
p0247-supercharger waste-gate solenoid B
p0007-fuel shutoff valve A
c0700- engine oil temp. sensor
p0500- vehicle speed sensor
c2520- chassis code catalytic coverts failed
c0361- chassis trouble code
p024a-air flap actuator A intercooler/ performance problem
p16343- CAN link engine control module/ transmission control module
p0a00- coolant temp. sensor circuit
c0202- abs enable relay contact circuit/performance
p0c4a- battery pack coolant pump
p0900-clutch actuator
p0a00- motor electronic coolant temp. sensor
#2
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2859bar, I would be looking at your electrical system. Odds are, you have a wire bundle that got too close to an exhaust header or possibly your supercharger and it has shorted some wires together that is causing the ECU to see some really strange information and it is sorting it out as best as it can. After that, I would be looking at the output of the alternator to make sure that it is where it should be. After that, I would be looking at the ground wires, making sure that they are all good. You have something majorly electrical going on. The trouble codes are too wide ranging to be an actual problem with the motor. The rough running is because the engine is seeing erroneous information and attempting to keep the engine running enough to get you to a safe spot.
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