Mazda CX-9 Grand Touring 2009 Manual page 1342

NO.11 ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES,
BUCK/JERK, HESITATION/STUMBLE, SURGES [MZI-3.7]
NO.11 ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK,
HESITATION/STUMBLE, SURGES (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE
CAUSES
ENGINE STALLS/QUITS-ACCELERATION/CRUISE
ENGINE RUNS ROUGH-ACCELERATION/CRUISE
MISSES-ACCELERATION/CRUISE
11
BUCK/JERK-ACCELERATION/CRUISE/DECELERATION
HESITATION/STUMBLE-ACCELERATION
SURGES-ACCELERATION/CRUISE
DESCRIPTION
2008 Mazda CX-9 Grand Touring
2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
Engine stops unexpectedly at the beginning of acceleration or during
acceleration.
Engine stops unexpectedly while cruising.
Engine speed fluctuates during acceleration or cruising.
Engine misses during acceleration or cruising.
Vehicle bucks/jerks during acceleration, cruising, or deceleration.
Momentary pause at beginning of acceleration or during acceleration
Momentary minor irregularity in engine output
Improper A/C system operation
Erratic signal or no signal from CMP sensor
Air leakage from intake-air system parts
Purge solenoid valve malfunction
Improper operation of electronic throttle control system
Erratic signal from CKP sensor
Low engine compression
Vacuum leakage
Poor fuel quality
Main relay intermittent malfunction
Throttle body malfunction
Engine overheating
Spark plug malfunction
Improper air/fuel mixture ratio control operation
Erratic signal to ignition coil
Air cleaner restriction
PCV valve malfunction
Fuel flow into evaporative purge hose
Improper valve timing due to jumping out timing chain