2010 Nissan Maxima Loosing power while hard acceleration

ALI1KHAN

MEMBER
2010 NISSAN MAXIMA
3.5L
V6
FWD
AUTOMATIC
14,000 MILES

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

Saturday, November 28th, 2015 AT 3:27 PM

8 Replies

HMAC300

MECHANIC
48,601 POSTS

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.

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Saturday, November 28th, 2015 AT 4:10 PM

ALI1KHAN

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4 POSTS

Thanks
but I don't understand
accumulation of debris

can u please explain this

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Sunday, November 29th, 2015 AT 1:55 AM

HMAC300

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48,601 POSTS

You have to take the sensor out and se if there is pieces of oil sludge and such on cam

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Sunday, November 29th, 2015 AT 7:45 AM

ALI1KHAN

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4 POSTS

Ok thanks
i ordered the solenoid
let see tomorrow

can u please give me the exact location of the valve ( bank 2 )

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Sunday, November 29th, 2015 AT 9:23 AM

ALI1KHAN

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4 POSTS

And sir please give the location of oil temperature sensor also

thanks a lot

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Sunday, November 29th, 2015 AT 10:08 AM

HMAC300

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See pics they aren't very good but that is all we have

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Sunday, November 29th, 2015 AT 11:02 AM

ALI1KHAN

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4 POSTS

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?

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Tuesday, December 15th, 2015 AT 10:56 PM

HMAC300