Nissan Altima 2007-2012 Service Manual: Spark plug
Removal and Installation
1. Ignition coil
2. Spark plug
3. Rocker cover RH
4. Rocker cover LH
REMOVAL
1. Remove the ignition coil. Refer to EM-145, "Removal and Installation LH" and EM-145, "Removal and Installation RH".
2. Remove the spark plug with a suitable spark plug wrench.
INSPECTION AFTER REMOVAL
• Do not use a wire brush for cleaning the spark plugs. Replace as necessary.
• If plug is covered with carbon, a spark plug cleaner may be used.
Cleaner air pressure : less than 588 kPa (6 kg/cm2, 85 psi)
Cleaning time : less than 20 seconds
• Checking and adjusting plug gap is not required between change intervals. If the gap is out of specification, replace the spark plug.
INSTALLATION
Installation is in the reverse order of removal.
Drive belts
Checking Drive Belts
1. Power steering pump
2. Drive belt auto-tensioner
3. Crankshaft
4. Idler pulley
5. A/C compressor pulley
6. Generator pulley
7. Idler pulley
8. Drive belt
A. Indicato ...
Other materials:
P1801 Vias control solenoid valve 2
Description
The VIAS control solenoid valve 2 cuts the intake manifold vacuum signal for
power valve 2 control. It
responds to ON/OFF signals from the ECM. When the solenoid is OFF, the vacuum
signal from the intake
manifold is cut. When the ECM sends an ON signal the coil pulls the plunger
...
P0300, P0301, P0302, P0303, P0304, P0305, P0306 Misfire
DTC Logic
DTC DETECTION LOGIC
When a misfire occurs, engine speed will fluctuate. If the engine speed
fluctuates enough to cause the crankshaft
position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is
occurring.
The misfire detection logic consists of the following t ...
Shift lock system
System Diagram
System Description
The selector lever cannot be shifted from “P” position to any other position
unless the ignition switch is in the
ON position and the brake pedal is depressed.
Component Parts Location
1. BCM (view with instrument panel removed
2. Steering column
...