DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
No. 12 Lack/Loss Of Power -- Acceleration/Cruise: Notes
2008 Mazda Tribute s Sport, 4WDSECTION Notes
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DESCRIPTION & POSSIBLE CAUSE
12
Lack/loss of power-acceleration/cruise
DESCRIPTION
Performance is poor under load (e.g. power down when climbing hills).
POSSIBLE CAUSE
Improper A/C system operation
Erratic signal or no signal from CMP sensor
Air leakage from intake-air system parts
Improper operation of electronic throttle control system
Purge control solenoid malfunction
EGR valve malfunction
Brake dragging
Erratic signal from CKP sensor
Low engine compression
Vacuum leakage
Poor fuel quality
Erratic signal ignition coil
Engine overheating
Throttle body malfunction
Spark plug malfunction
Air cleaner restriction
PCV valve malfunction
Improper valve timing due to jumping out of timing belt
Improper operation of variable valve timing control system
Restriction in exhaust system
Intermittent open or short in fuel pump circuit
Inadequate fuel pressure
Fuel pump mechanical malfunction
Fuel line restriction or clogging
Fuel leakage from fuel injector
Fuel injector clogging
Intermittent open or short of MAF sensor, APP sensor, TP sensor and VSS
ATX malfunction (ATX)
Clutch slippage (MTX)
WARNING:
The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:
Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE REPAIR PROCEDURE" and "AFTER REPAIR PROCEDURE" described in this manual.