Question about 2003 Nissan Altima
A couple of months ago I had a service station change my oil before heading on a road trip to Northern California. After driving for several hours, my oil light began to come on. I pulled over and discovered that they had forgot to put my oil cap back on.
The station assured me that there was no permanent damage to my car, but since then both my crank angle and cam sensors have gone out. Could these incidents be related to the excessive heat that was generated this massive leaking of oil?
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Posted on Jan 02, 2017
most cars have a mass airflow sensor.try reploacing that,That is the only other thing i can think of besides what was already replaced. if this does not work get a compression test done on the car.
Posted on Feb 09, 2010
did you have a cam / crank relearn performed? also does the car idle over 1000 rpms? is the service engine soon light on?
Posted on Aug 05, 2011
PLEASE READ ALL THIS INFO.
MAKE SURE THE ENGINE OIL IS CLEAN AND CHANGED AT PROPER INTERVALS
P0011 NISSAN - Intake Valve Timing Control Performance Bank 1
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Possible engine lack/loss of power
- Posssible engine rough idle
Possible causes - Harness or connectors
- Intake valve timing control solenoid valve circuit is open or shorted
- Intake valve timing control solenoid valve may be faulty
- Crankshaft position sensor (POS) may be faulty
- Camshaft position sensor
Tech notes Since the Intake valve timing control solenoid valve uses oil flow to control timing, dirty oil can cause the valve to stuck open or close. Before replacing the valve, change engine oil and filter and reset engine code. When is the code detected? When there is a gap between angle of target and phase-control angle degree, the valve will stop working and the ECM will trigger the P0011 code. P0011 NISSAN Description This mechanism hydraulically controls cam phases continuously with the fixed operating angle of the intake valve.
The ECM receives signals such as crankshaft position, camshaft position, engine speed, and engine coolant temperature. Then, the ECM sends ON/OFF pulse duty signals to the intake valve timing control solenoid valve depending on driving status. This makes it possible to control the shut/open timing of the intake valve to increase engine torque in low/mid speed range and output in high-speed range.
The intake valve timing control solenoid valve changes the oil amount and direction of flow through intake valve timing control unit or stops oil flow. The longer pulse width advances valve angle. The shorter pulse width retards valve angle. When ON and OFF pulse widths become equal, the solenoid valve stops oil pressure flow to fix the intake valve angle at the control position.
MAKE SURE YOUR OIL IS CLEAN AND CHANGED AT PROPER INTERVALS.
Posted on Sep 07, 2011
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