Question about Nissan Altima
Aged / failing crank shaft position sensors (CPS/CAS) can snow ball into coil firing problem.
There are two CAS on your V6 engine.
They are identify as front and rear CAS.
There is a matching set for automatic and stick shift engine.
THEY ARE NOT INTERCHANGEABLE
Computer (ECM) short may not getting correct crank position information/pulse from crank angle sensor (CPS/CAS)
Please identify the front and rear CAS and clean the connectors.
Re-check firing on all cylinders..
Rear CPS (automatic transmission)
Rear auto CPS from different angle
You will need a Fluke or high quality meter to check on the resistance on coils and the CPS.
Please email me after you clean the CPS contacts and coils contacts.
Posted on Jul 11, 2010
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Posted on Jan 02, 2017
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