P149D DTC For Nissan Qx
Nissan Qx Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | W-Type Engine |
| Engine Air Intake Process : | Naturally Aspirated |
Your Nissan Qx engine control system detects a problem, the computer stores the diagnostic trouble
code P149D in its memory.
To figure out what is wrong with your vehicle you must first extract the P149D DTC For Nissan Qx.
To solve P149D Nissan Qx problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs
P149D Nissan Qx DTC Meaning
| P |
Powertrain Code - Problem is related engine, transmission and emissions systems. |
| 1 |
MFG - Manufacturer Specific |
| 4 |
Fuel And Air Metering (Injector Circuit Malfunctions Only) |
| 9 |
TP Sensor Learn Not Complete |
| D |
TFP Valve Position Switch-Drive Without Drive Ratio |
There are currently two main types of cylinder deactivation used today, depending on the type of engine. P149D Nissan Qx code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.
You can also check other Nissan car models :
|
The listed Nissan models will give information about P149D DTC.
|
