Suspension and tires
Vehicle vibrates at 100: balancing or alignment?
Body vibration near a particular speed does not make that number a diagnosis.
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Vehicles and variants 5
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Coaster
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Toyota
Liteace
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Raize
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Corolla
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Yaris
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Guides, articles and problems
Engine and maintenance
Vehicle hesitates under acceleration: common causes
Hesitation when pressing the accelerator describes an interruption in pulling power, not necessarily a gear change.
Warning lights
Strong acceleration followed by weakness: causes of reduced power
Good acceleration for a few seconds followed by weakness may relate to conditions, load or entry into a protection mode.
Transmission
Vehicle creeping in traffic: normal behaviour or weak drive?
Creeping may mean the normal slow movement of some automatics when the brake is released, or an abnormal lack of response.
Warning lights
Engine stalls while driving: common causes
An engine stopping in motion requires assessment before relying on the vehicle, even if it restarts.
Suspension and tires
Vehicle pulling left or right: is alignment the problem?
Pulling to one side requires distinguishing tyre pressure, alignment, road effects and a mechanical fault.
Vehicle electrics
Alternator not charging: signs before a breakdown
Diagnosing an alternator that is not charging requires system checks, not replacement merely because the battery is weak.
Engine and maintenance
Noisy alternator: bearing or belt?
Noise heard near the alternator may come from the belt, tensioner or a nearby pulley.
Warning lights
Stiff accelerator pedal: causes of heavy pedal movement
A stiff accelerator or one that fails to return requires distinguishing an obstruction around it from a pedal-mechanism fault.
Suspension and tires
Suddenly heavy steering: power-steering fluid or pump?
Suddenly heavy steering does not always mean low fluid; assistance may be hydraulic or electric.
Vehicle electrics
Battery drains quickly: separate charge, health and electrical draw
Repeated battery discharge may relate to charging, battery condition or an electrical load while parked.
Fuel efficiency
Fuel consumption has increased: how do you confirm it and begin checks?
Start by establishing increased litres per distance, not a higher refuelling bill.