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codes P0036 , P0017, check engine

Old Apr 19, 2020 | 11:27 PM
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VoVosouth's Avatar
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From: ATLANTA
Smile codes P0036 , P0017, check engine

Bought it used 104k miles 2006 V70 2.5T wagon.
Was not running well and check engine light on. Took it to Auto Zone as they offer free scan to read OBDII codes

Has anyone experienced repairs relating to OBD II codes P0036. P0017 and check engine light is on ?

Anyone know what parts may be needed as the part store was vague, read out a long list.

Confused.

Is this a DIY easy fix ?
Thx
 
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Old Apr 20, 2020 | 11:01 AM
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From: Burlington, VT
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Code P0036 stands for HO2S heater Performance Bank 1 Sensor 2. This indicates there is problem with heater circuit of the downstream oxygen sensor. You can unplug the O2 sensor (should be a connector on the firewall) to test for connectivity/resistance on the heater control leads (background - four wire O2 sensors have a heater circuit and a sensing circuit. You'd need to google to see which pins do what). Most likely fix is to replace the O2 sensor that is after the cat. you'd need to go under the car to see how accessible it is.

P0017 is a camshaft timing issue where the cam shaft sensor's signal and crank sensor's signal don't correlate correctly. This can be caused by either of the sensors or more likely the VVT solenoid/gear not properly actuating. You'd need to test the sensors and the VVT/solenoid (I'd think if they were fried, they'd send a more specific code), so my guess is that the VVT is getting a bit sticky. they are oil driven and tarnish or gunk can build up which can throw a code. Depending on what part fails, it can be an easy fix (ie replacing a sensor) or requires the timing belt to come off to repair/replace the gear. Unless you can test out the sensors/solenoid, chances are you'll swap out parts until you figure out what's wrong - so as to a DIY, you'll need to do an assessment of your tools and skills. For starters you can google around for vids on VVT issues and repairs.
 
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Old Oct 23, 2020 | 08:00 PM
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I've got a similar problem. It's a V70, 2006, 2.5t. 110k miles.
Car engine runs rough most of the time. Sometimes runs normal.. I have the same OBD codes P0017 and P0036. and check engine light.
How was your Volvo repaired ? Find any Youtube videos?
thanks
 
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