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Hey y’all! My daughter’s 2015 Cruze started running rough, the check engine light came on of course along with Service Stabilitrak and Service Reaction Control warning on the info center. It was throwing codes P0137, P2270, P2301 and P0300. 2 codes suggested misfires and the other 2 said the O2 sensor. I spoke to a dealer and they said it sounded like the coil pack. I got a new one and after installing it, the car won’t start. I have also seen videos mentioning the PCV valve. Any help would be greatly appreciated.
 

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2014 LT program car, Pull Me Over Red, 1.4T Auto
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Hey y’all! My daughter’s 2015 Cruze started running rough, the check engine light came on of course along with Service Stabilitrak and Service Reaction Control warning on the info center. It was throwing codes P0137, P2270, P2301 and P0300. 2 codes suggested misfires and the other 2 said the O2 sensor. I spoke to a dealer and they said it sounded like the coil pack. I got a new one and after installing it, the car won’t start. I have also seen videos mentioning the PCV valve. Any help would be greatly appreciated.
Welcome Aboard!(y)

A code P0137 may mean that one or more of the following has happened:

Faulty o2 sensor
Exhaust leak near the rear sensor
Plugged catalyst
Short to voltage on O2 signal circuit
High resistance or open on O2 signal circuit
Engine running very rich or lean
Engine misfire condition
Fuel pressure very high or low - fuel pump or pressure regulator
Read more at: OBD-II Trouble Code: P0137 Oxygen O2 Sensor Low Voltage (Bank1, Sensor2)

The causes for this DTC, P2270, may include:

Exhaust leak near O2 sensor
Contaminated or failed HO2S2 (Sensor 2) HO2S2 wiring/circuit problem
Loose installation of HO2S2
Fuel pressure incorrect
Faulty fuel injector
Engine coolant leak
Faulty purge solenoid valve PCM has failed
Read more at: P2270 O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2

Causes for this code, P2301, may include:

Bad relay or blown fuse (fusible link)
PCM failure
Open or shorted wiring or wiring connectors (wildlife damage)
Defective ignition coil
Faulty camshaft or crankshaft sensor or wiring
Read more at: P2301 Ignition Coil A Primary Control Circuit High

A code P0300 may mean that one or more of the following has happened:
Faulty spark plugs or wires
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector(s)
Burned exhaust valve
Faulty catalytic converter(s)
Stuck/blocked/leaking EGR valve / passages
Faulty camshaft position sensor
Defective computer
Read more at: OBD-II Trouble Code: P0300 Random/Multiple Cylinder Misfire Detected

2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues

Special Coverage #14311: Negative Battery Cable


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