2010 Nissan Maxima Loosing power while hard acceleration

2010 NISSAN MAXIMA
14,000 MILES • 3.5L • V6 • FWD • AUTOMATIC
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ALI1KHAN
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  • 4 POSTS
Hi
My car is loosing power while hard acceleration
I scanned for dtc and i got this
P0021 vtc intake valve control system b2
P0197 eot sensor/circuit

Please help me ASAP
Nov 28, 2015 at 3:27 PM
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HMAC300
  • ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
for the 021 code check the one chart with arrows. for the 197 code check engine oil temp sensor for resistance if ok put some dielectric grease on connector and see if that cures it . pics
if not that it may be a sensor/solenoid/connection or shorted wire.
Nov 28, 2015 at 4:10 PM
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ALI1KHAN
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thanks
but i don't understand
accumulation of debris

can u please explain this
Nov 29, 2015 at 1:55 AM
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HMAC300
  • ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
you have to take the sensor out and se if there is pieces of oil sludge and such on cam
Nov 29, 2015 at 7:45 AM
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ALI1KHAN
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ok thanks
i ordered the solenoid
let see tomorrow

can u please give me the exact location of the valve ( bank 2 )
Nov 29, 2015 at 9:23 AM
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ALI1KHAN
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and sir please give the location of oil temperature sensor also

thanks a lot
Nov 29, 2015 at 10:08 AM
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HMAC300
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  • ASE Certified Mechanic
see pics they aren't very good but that is all we have
Nov 29, 2015 at 11:02 AM
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ALI1KHAN
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hi sir
back again

i changed the VTC valve and the DTC P0021 disappeared

but fed up with P0197 engine oil temperature couldn't locate

may be its same as oil pressure ?????
Dec 15, 2015 at 10:56 PM
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HMAC300
  • ASE Certified Mechanic
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  • ASE Certified Mechanic
see pic for oil temp sensor
Dec 16, 2015 at 6:42 AM
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