Question about Subaru Impreza
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Posted on Jan 02, 2017
It is very possible that it will. With a faulty CMP sensor it will cause these symptoms. You Need to fix the problem so do it regardless of what we think. There are other things that can cause surging like vacuum leak/s, gas cap, dip-stick not in place, bad filters, exhaust and EVAP issues.
Posted on May 01, 2010
Testimonial: "Thanks Great feedback! "
OK check the CMP sensor connector for cleanliness, sometimes oil can get in and disrupt the signal transmission to the ECU. Check the wire loom continuity all the way back from the CMP to the ECU. If the error code persists remove the cam sensor, clean its tip of any debris and refit.
Posted on Nov 11, 2010
Testimonial: "Thanks joe2mercs...you had the problem diagnosed correctly. Cleaned and light has not come back on. U saved me a lot of $."
SOURCE: codes p0011 and p0021
P0011 "A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)
P0021 "A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)
Posted on Oct 11, 2011
SOURCE: 03 Maxima SE... Check engine light is on and getting codes P0011 AND P0021 which is the intake camshaft position timing over. I also have P0462 because my fuel level sensor always reads as full and wh
Hi there Camilo:
DTC P0011 - "A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)
A code P0011 refers to the VVT (variable valve timing) or VCT (variable camshaft timing) components and the car's PCM (powertrain control module, also called an ECM). That consists of a few different components but the P0011 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is above a set limit (over-advanced), the engine light will be illluminated and the code will be set. The "A" camshaft is either the intake, left, or front camshaft.
Most likely a DTC P0011 will result in one of the following: hard starting, poor idle, and/or stalling. There are potentially other symptoms as well. Of course, when trouble codes are set, the MIL (malfunction indicator lamp, a.k.a. the check engine light) illuminates.
A DTC P0011 trouble code may be caused by one or more of the following:
- Incorrect camshaft timing
- Wiring problems (harness/wiring) in intake timing control valve control solenoid system
- Continuous oil flow to VCT piston chamber
- Failed timing valve control solenoid (stuck open)
This DTC code is a result of a mechanical fault of the VCT unit or related components, so there is no need for electrical diagnosis. Refer to vehicle specific repair manual to perform component tests for the VCT unit. Notes: Dealer techs have advanced tools and the ability to follow detailed troubleshooting steps, including the ability to test components using a scan tool.
Other related DTCs: P0010 - P0011 - P0012 - P0020 - P0021 - P0022
DTC P0462 - Fuel Level Sensor Circuit Low
This could happen happen you ran your fuel tank too low I would first fill up the tank and go to your local parts store and have them reset the code to see if it stays off .If the light comes back on the most likely reason is because the fuel level sensor needs to be replaced but other possible causes are wiring problems, fuel pump module, or cluster. You will need to barrow a special tool which is the lock wring wrench from your local parts store to remoe the fuel pump. Here are instructions from Nissan TSB (Technical Service Bulletin) to solve it; let me know if you have questions.
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Posted on Jan 31, 2012
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