No.11 Engine Stalls/Quits, Engine Runs Rough, Misses, Buck/Jerk, Hesitation/Stumble, Surges: Notes
WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK, HESITATION/STUMBLE, SURGES - DESCRIPTION AND POSSIBLE CAUSE
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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 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
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| POSSIBLE CAUSE |
- A/C system improper operation
- Erratic signal or no signal from CMP sensor
- Air leakage from intake-air system parts
- Purge solenoid valve malfunction
- IAC valve improper operation
- EGR valve malfunction
- Erratic signal from CKP sensor
- Low engine compression
- Vacuum leakage
- Poor fuel quality
- Erratic signal to ignition coil
- Air cleaner restriction
- PCV valve malfunction
- Improper valve timing due to jumping out of timing belt
- Restriction in exhaust system
- Intermittent open or short in fuel pump circuit
- Inadequate fuel pressure
- Fuel pump mechanical malfunction
- Fuel leakage from fuel injector
- Fuel injector clogging
- Intermittent open or short of MAF sensor, TP sensor and VSS
- ATX malfunction
WARNING:
- The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:
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