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    This is a discussion on Please help! within the Dodge Dart Mechanical Problems forums, part of the Dodge Dart Forum - Pit Row category; I have a 2014 Dodge dart Rallye 2.4. just replaced the spark plugs and coil pack yesterday. It's idling rough and when you barely press ...

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      Please help!

      I have a 2014 Dodge dart Rallye 2.4. just replaced the spark plugs and coil pack yesterday. It's idling rough and when you barely press the gas while in park, it kind of sputters from the tail pipe. Check engine light came on and it says P1067 and P113D. I've just also replaced the ambient air temperature sensor. Cleared all the codes and today, when I got to about 65 mph, the engine light came on again. Please help!

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      Check the oil level. Some 2.4 engines do consume oil and that creates problems for the MultiAir. Before buying anything, use a multimeter to check wiring. The VVA referred to is the MultiAir.

      28 - DTC-Based Diagnostics / MODULE, Powertrain Control (PCM), 2.4L / Diagnosis and Testing

      P1067-CYLINDER 2 OIL SUPPLY SOLENOID VALVE SWITCH ON TIME OUT OF RANGE

      Name:  intakeair24schematic.jpg
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      Theory of Operation

      Multi-Air is an electronically controlled variable intake valve phase and lift system. Unlike conventional intake valve phase and lift system which controls all the cylinder intake valves simultaneously and in the same proportion; Multi-Air, through the use of an electronically controlled “ hydraulic link” between the camshaft and intake valve, allowing for each intake valve to be controlled independently. The valve lift and timing can be adjusted infinitely.

      The Multi-Air valve train has a mechanical camshaft lobe acting on a hydraulic pump located between the camshaft intake lobe and the intake valve. The pump provides oil under pressure to a two-way electro-hydraulic solenoid valve called the Variable Valve Actuator (VVA) Solenoid. The VVA Solenoid is electronically controlled during the specific intake cam lobe event by the Powertrain Control Module (PCM). During the event the VVA Solenoid is commanded to either hold oil pressure or bleed oil. The Variable Valve Actuator (VVA) Solenoid is a normally open solenoid. The PCM provides 12 volts to close the solenoid. The position of the VVA Solenoid determines the intake valve timing and lift. This change on valve action is similar to creating a change in the camshaft lobe profile affecting lift and duration of the valve opening.


      When Monitored and Set Conditions

      When Monitored: This diagnostic runs when the following condition is met:

      •With the engine running.


      Set Conditions:

      •The Powertrain Control Module (PCM) measures the time needed to turn on the VVA Solenoid. When the PCM recognizes that the VVA Solenoids switch on time is too fast or too slow a fault is set.


      Default Actions:

      •The MIL light will illuminate.


      Possible Causes

      ENGINE OIL LEVEL LOW
      ENGINE OIL AERATED OR CONTAMINATED
      INCORRECT ENGINE OIL FILTER
      INSUFFICIENT OIL PRESSURE DUE TO A MECHANICAL FAILURE IN THE OILING SYSTEM
      VVA ACTUATOR ASSEMBLY




      28 - DTC-Based Diagnostics / MODULE, Powertrain Control (PCM), 2.4L / Diagnosis and Testing

      P113D-O2 SENSOR 1/1 SLOW RESPONSE (HIGH FREQUENCY)

      Name:  dart24P113Dschematic.jpg
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Size:  44.5 KB

      Theory of Operation

      The wide-band O2 Sensor operates differently than traditional O2 Sensors. The wide-band O2 Sensor tip consists of two cells that provide different functions, a measurement chamber and a detection chamber with pumping capabilities. The oxygen pumping function is the ability to pump oxygen into or out of the measurement chamber depending on the level of oxygen in the measurement chamber. This function provides the wide-band sensing capabilities and is critical for proper oxygen measurement. The O2 Sensor Reference circuit provides a common bias supply to both the O2 Sensor Signal and the O2 Sensor Pump Cell Current circuits.

      During normal operation, the O2 Sensor Reference voltage and O2 Sensor Signal voltage will be a fixed voltage value. The O2 Sensor Current Pump voltage will switch from between 0.45 volts above and below the fixed O2 Sensor Return voltage, allowing current to flow in either direction through the pump. This correlates with the pumping of oxygen into and out of the measurement chamber. On a properly operating vehicle, this happens very quickly and the voltage reading should maintain a steady 0.45 volts when taking a voltage measurement between the O2 Sensor Signal circuit and the O2 Sensor Reference circuit of the O2 Sensor with the engine running and the O2 Sensor operating in closed loop.

      When the exhaust stream has a lean air/fuel ratio (high oxygen content) the pumping element voltage will move toward +0.45 volts pumping oxygen out of the measurement chamber. When the exhaust stream has a rich air/fuel ratio (relatively low oxygen content) the pumping element voltage will move toward -0.45 volts pumping oxygen into the measurement chamber.


      When Monitored and Set Conditions

      When Monitored: This diagnostic runs continuously when the following conditions are met:

      •With the minimum engine run time of 89 seconds.
      •Engine Coolant Temperature (ECT) at least 60°C (140°F).
      •Engine rpm between 1200 and 3300, vehicle speed between 32 km/h (20 mph) and 120 km/h (75 mph).
      •O2 Sensor in closed loop operation.


      Set Conditions:

      •The Powertrain Control Module (PCM) detects that the Oxygen Sensor signal does not switch adequately at high frequency.


      Default Actions:

      •The MIL light will illuminate.


      Possible Causes

      O2 SENSOR 1/1 SIGNAL CIRCUIT
      O2 SENSOR CURRENT PUMP CIRCUIT
      O2 SENSOR RETURN CIRCUIT
      EXHAUST SYSTEM LEAK OR RESTRICTION
      INTAKE SYSTEM LEAK OR RESTRICTION
      FUEL PRESSURE TOO LOW OR TOO HIGH
      FOULED OR LEAKING FUEL INJECTOR
      O2 SENSOR
      Last edited by alpinegreenneon; 03-19-2019 at 09:06 AM.
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    3. #3
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      sounds like oil starvation on the multi air... sadly 2.4's are known to drink oil...

      'BlueStreak'
      2014 Dodge Dart SE manual Blue Streak

     

     

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