12 Lack/Loss Of Power-Acceleration/Cruise [Z6] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
Inspect the EGR system.
19 (SeeEGR Control System
Is the EGR system normal?
Is engine compression correct?
20
(See COMPRESSION INSPECTION
[Z6].)
Verify test results.
• If normal, return to diagnostic index to service any additional symptoms.
(See ENGINE SYMPTOM TROUBLESHOOTING
• If malfunction remains, inspect related Service information perform repair or diagnosis.
21
- If vehicle repaired, troubleshooting completed.
- If vehicle not repaired or additional diagnostic information not available, replace the
PCM.
(See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION
NO.12 LACK/LOSS OF POWER-
ACCELERATION/CRUISE [Z6]
12
DESCRIPTION Performance is poor under load (such as power down when climbing hills).
• Improper A/C system operation
• Erratic signal or no signal from CMP sensor
• Air leakage from intake-air system parts
• Restriction in intake-air system
POSSIBLE
• Intake air temperature too hot
CAUSE
• Improper variable intake-air control operation
• Improper variable tumble control operation
• Purge control solenoid malfunction
Downloaded from
Yes
Inspection.)
No
Yes
No
LACK/LOSS OF POWER - ACCELERATION/CRUISE
https://carmanualshub.com/
Go to the next step.
Replace or replace the malfunctioning parts.
Inspect the following:
• Valve timing.
(See Timing Chain Installation
• Engine mounts
• Check valve (two-way)
• Internal transaxle part (ATX)
• Clutch (MTX)
Inspect for cause.
[Z6].)
[Z6].)
- automotive repair manuals website
Note.)
B3E010318881W45