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2003 Bmw 760 LI has trouble code P0021 and P0024, replaced cam position sensor and cleared light vehicle coded again with same trouble code

Trouble code P0021 and P0024 replaced cam position sensors and cleared light, vehicle is still coding for same trouble codes

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Most likely a wiring problem, especially if you clear the code and it immediately comes back. Check wiring to the sensors recently replaced.

Posted on Jan 10, 2015

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Sounds like vanos

Posted on Mar 19, 2014

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What are the probable causes of camshaft sensor DTC?


Camshaft sensors do go bad. They can go bad slowly, so you don't notice the badness until your engine stalls, but restarts, or you get a "check engine" light. They are not expensive or hard to replace.

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How to fix fault p0021 and engine failsafe program


(powertrain control module, also called an ECM). That consists of a few different components but the P0021 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. A P0021 engine code is basically the same as a P0011 code, except this is for Bank 2, not Bank 1.
Symptoms Possible sumptoms of OBD code P0021
Most likely a P0021 DTC 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.
Causes Possible causes of OBD code P0021
A P0021 DTC trouble code may be caused by one or more of the following:
Possible Solutions 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.

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Error code troubleshooting


It's your AVCS/cam shaft issue, bring the dealership since this issue is on Subaru TSB. Possible they replace the ECU/ECM unit.

02-132-12R Technical Service Bulletin Diagnosis and Repair for AVCS-Related DTCs P000A, P000B, P000C, P000D, P0011, P0014, P0021 and P0024

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2003 bmw 760 li has P021 code I replaced the Cam position sensor but code still remain


Check for voltage and ground at the sensor plug. If you have it, then you have an internal problem.

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99 bmw 540i


code p0021 refers to camshaft position (CMP) intake /left /front, bank 2 timing over advanced/system performance===causes --valve timing--engine mechanical fault--CMP actuator. Check /replace the advance mechanism at the end of the cam shaft at the chain/belt

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2005 Mustang GT emission control light


SORRY, I ALWAYS JUST PUT BLACK ELECTRICAL TAPE OVER THEM...NO EMISSIONS WHERE I LIVE

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Fault code P0021


Hi there:P0021 - "A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)

A code P0021 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 P0021 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. A P0021 engine code is basically the same as a P0011 code, except this is for Bank 2, not Bank 1.

Most likely a P0021 DTC 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 P0021 DTC trouble code may be caused by one or more of the following:Incorrect camshaft timingWiring problems (harness/wiring) in intake timing control valve control solenoid systemContinuous oil flow to VCT piston chamberFailed timing valve control solenoid (stuck open)

Possible Solutions: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.To reset the fuel pump, press the button on the switch. The switch is located immediately below the hole in the trunk side trim.

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Mar 06, 2012 | Cars & Trucks

2 Answers

Ml350 replaced a/b cam position sensor reset computer & and erra codes p0016/p0016 check engine ligth is reset car drives with light off when engine is turn off and started the light goes out if you...


P0010....'A' Camshaft Position Actuator Circuit (Bank 1)

P0011....'A' Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)

P0012....'A' Camshaft Position - Timing Over-Retarded (Bank 1)

P0013....'B' Camshaft Position - Actuator Circuit (Bank 1)

P0014....'B' Camshaft Position - Timing Over-Advanced or System Performance (Bank 1)

P0015....'B' Camshaft Position -Timing Over-Retarded (Bank 1)

P0020....'A' Camshaft Position Actuator Circuit (Bank 2)

P0021....'A' Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)

P0022....'A' Camshaft Position - Timing Over-Retarded (Bank 2)

P0023....'B' Camshaft Position - Actuator Circuit (Bank 2)

P0024....'B' Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)

P0025....'B' Camshaft Position - Timing Over-Retarded (Bank 2)

I think your sensors are pattern parts and the readings /resistances are not the same as the original parts ,try some bosch units is my first suggestion ,

Nov 02, 2010 | Mercedes-Benz ML350 Cars & Trucks

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I have diagnostic codes of 22, 23, 24 for my 1995 Saturn Sl 1


well according to your codes that i looked up for you i think its safe to assume that your timing is off. i will paste the codes so you can see for your self. i hope this is what the codes actually look like.
P0022 "A" Camshaft Position - Timing Over-Retarded (Bank 2)

P0023 "B" Camshaft Position - Actuator Circuit (Bank 2) - See Trouble Code P0020

P0024 "B" Camshaft Position - Timing Over-Advanced or System Performance (Bank 2) - See Trouble Code P0021

P0025 "B" Camshaft Position - Timing Over-Retarded (Bank 2) - See Trouble Code P0022

Apr 29, 2009 | Saturn SL1 Cars & Trucks

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