EasyManua.ls Logo

Mazda Mazda6 - Page 346

Mazda Mazda6
909 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
F2194
TROUBLESHOOTING
End Of Sie
11 Inspect adjustment of accelerator position
sensor and idle switch.
(See F272 ACCELERATOR POSITION
SENSOR INSPECTION)
(See F270 IDLE SWITCH INSPECTION)
Are accelerator position sensor and idle switch
adjusted correctly?
Yes Go to next step.
No Adjust accelerator position sensor and idle switch
correctly.
(See F273 ACCELERATOR POSITION SENSOR
ADJUSTMENT)
(See F271 IDLE SWITCH ADJUSTMENT)
12 Inspect adjustment of neutral switch.
(See F269 NEUTRAL SWITCH INSPECTION)
Is neutral switch adjusted correctly?
Yes Go to next step.
No Adjust neutral switch correctly.
13 Visually inspect CKP sensor and teeth of pulse
wheel.
Are CKP sensor and teeth of pulse wheel okay?
Yes Go to next step.
No Replace malfunctioning parts.
14 Measure gap between CKP sensor and teeth of
pulse wheel.
Specification
1.52.5 mm {0.0590.098 in}
Is gap within specification?
Yes Go to next step.
No Adjust CKP sensor position.
15 Visually inspect CMP sensor and teeth of pulse
wheel.
Are CMP sensor and teeth of pulse wheel okay?
Yes Inspect following PIDs:
(See F265 PCM INSPECTION)
ECT
IAT
MAF
RPM
If PID value is not as specified, repair or replace
malfunctioning parts.
If PID value is okay, go to next step.
No Replace malfunctioning parts.
16 Inspect fuel pressure sensor.
(See F279 FUEL PRESSURE SENSOR
INSPECTION)
Is fuel pressure okay?
Yes Go to next step.
No Replace common rail.
17 Inspect suction control valve.
(See F254 SUCTION CONTROL VALVE
INSPECTION)
Is suction control valve okay?
Yes Go to next step.
No Repair supply pump.
(See F254 SUPPLY PUMP INSPECTION)
18 Is engine compression correct?
(See B28 COMPRESSION INSPECTION)
Yes Go to next step.
No Inspect for following:
Damaged valve seat
Worn valve stem and valve guide
Worn or stuck piston ring
Worn piston, piston ring or cylinder
Improper valve timing
Service as necessary.
19 Inspect fuel injector.
(See F256 FUEL INJECTOR INSPECTION)
Is fuel injector okay?
Yes Go to next step.
No Repair or replace as necessary.
20 Inspect IDM.
(See F284 INJECTOR DRIVER MODULE
(IDM) INSPECTION)
Is IDM okay?
Yes Go to next step.
No Repair or replace as necessary.
21 Inspect timing belt for following:
Chipping of gear teeth
Low tension
Breakage damage or cracks
Is timing belt okay?
Yes Inspect following:
Clutch slippage
CKP sensor
VSS
If okay, remove and inspect supply pump and common
rail.
No If timing is incorrect, adjust valve timing.
If timing belt is not okay, replace timing belt.
22 Verify test results.
If okay, return to diagnostic index to service any additional symptoms.
If malfunction remains, replace PCM. (See F264 PCM REMOVAL/INSTALLATION)
STEP INSPECTION RESULTS ACTION

Table of Contents

Related product manuals