Mazda MX-5 Miata Sport 2007, Manual

Page: 1994 / 2244

BUCK/JERK, HESITATION/STUMBLE, SURGES [LF]
POSSIBLE CAUSE & DESCRIPTION (ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES,
BUCK/JERK, HESITATION/STUMBLE, SURGES)
11
ENGINE STALLS/QUITS-
ACCELERATION/CRUISE
ENGINE RUNS ROUGH-
ACCELERATION/CRUISE
MISSES-ACCELERATION/CRUISE
BUCK/JERK-
ACCELERATION/CRUISE/DECELERATION
HESITATION/STUMBLE-ACCELERATION
SURGES-ACCELERATION/CRUISE
DESCRIPTION

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

EGR valve malfunction

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
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:42:10 PM Page 61 © 2005 Mitchell Repair Information Company, LLC.