I have a Volvo S40 (year 2000, mileage: 156800 now), and I saw a check engine light (P0014 - Exhaust Camshaft Position - Timing Over-Advanced (Bank 1)) on April 01. I deleted the code with my code reader on April 04. The code came back on June 2 (After 2 month ). The timing belt was changed at 105K. The car is in a good condition (like a new car), Can you help me please to fix the problem ?
Here's a link to your code.
Camshaft position sensor could be problem.
SOURCE: 2001 volvo s40 trouble code P0015
This is a common issue particularly with vehicles that have had some neglect to the oil change routine. The VVT solenoid on the top of the valve cover gets clogged with thickened or sludged oil.
Replace the VVT solenoid and gasket with a new unit and clear the codes.
SOURCE: Timing marks set to get car back in timing so it can start
take out number one sparkplug, take the cam cover off. turn the engine of with a spanner on the bottom pulley. make sure number one piston is at TDC, now check to see if the inlet&outlet valves are close. and the piston is all the way at the top, do this with a long screwdriver to make sure it is.
if everything ok, then it will be a ignition problem.
SOURCE: engine management light volvo s40 problem
The best thing is to go to your local Volvo maintenance shop or Volvo experts to find out whats the problem..usually the coomon ones I think is the programs inside its ECU unit..you try this..ask the volvo experts to reset the ECU and lets see..if problem arise then it is no doubt you might need the sensor..hope this help..
SOURCE: Volvo S40 2.0T (2000 X Reg) P0102 P0171
Hi, Since you have both codes Fuel system lean and MAF low I would bet money on that you have an intake air leak after the throttle. Check all hoses connected to the intake manifold, gaskets, injectors are put in place etc.
SOURCE: 2000 V70R AWD
Suggestions:
1. Change the 02 sensor.
2. Double check with a e-test if the cat requires changing... that will likely depend on milage.
3. Check the plugs to see if you are burning rich...
4. Go to a scrap yard for the parts.. and replace them one at a time..
Note: Reset all condition codes after each part change.
Hope it helps
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 ,
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