Dtc P2195 [Lf] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
• Carry out Variable Tumble Control System
(VTCS) Operation Inspection.
(See Variable Tumble Control Operation
Inspection.)
• Does VTCS work properly?
INSPECT FUEL LINE PRESSURE
• Turn ignition switch to off.
• Inspect fuel line pressure.
12
(See FUEL LINE PRESSURE
INSPECTION.)
• Is fuel line pressure normal?
INSPECT FUEL LINE FROM FUEL PUMP
TO FUEL DELIVERY PIPE
13
• Visually inspect fuel line for any leakage.
• Is any fuel leakage found?
INSPECT EGR VALVE STUCK OPEN
• Remove EGR valve.
14
• Does EGR valve stuck open?
VERIFY TROUBLESHOOTING OF DTC
P2188 COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from PCM memory using WDS
15 or equivalent.
• Perform the PCM Adaptive Memory
Produce Drive Mode. (See
MODE [LF].)
• Is the PENDING CODE for this DTC
present?
VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
16
(See AFTER REPAIR PROCEDURE
• Is there any DTC present?
Downloaded from
No
Yes Go to the next step.
No
Yes
No
Yes
No Go to the next step.
Yes
No Go to the next step.
OBD DRIVE
Yes
[LF].)
No Troubleshooting completed.

DTC P2195 [LF]

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Repair or replace malfunctioning part
according to inspection result, then go to Step
15.
If fuel pressure is too high, replace fuel pump
nit, then go to Step 15.
If fuel line pressure is low, go to the next step.
Replace suspected fuel line, then go to Step
15.
Inspect for foreign materials or stain inside fuel
filter (low-pressure).
If for foreign materials or stain inside fuel filter
(low-pressure), clean of fuel tank and filter.
Then go to Step 15.
Clean or replace EGR valve, then go to the
next step.
Replace PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION
Go to the applicable DTC inspection.
(See DTC TABLE [LF].)
- automotive repair manuals website
[LF].)