No.12 Lack/Loss Of Power-Acceleration/Cruise: Notes
LACK/LOSS OF POWER-ACCELERATION/CRUISE - DESCRIPTION AND POSSIBLE CAUSE
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Lack/loss of power-acceleration/cruise |
| DESCRIPTION |
- Performance is poor under load (e.g. power down when climbing hills).
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| POSSIBLE CAUSE |
- Improper A/C system operation
- Erratic signal or no signal from CMP sensor
- Air leakage from intake-air, system parts
- IMRC malfunction
- Purge control solenoid malfunction
- EGR valve malfunction
- Brake dragging
- 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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