EV Knowledge Center

EV Academy

Practical Chinese EV education for repair shops, distributors, importers, fleet operators, and owners.

Accurate parts matching

Read an OE part number and compare the listing with your vehicle before you inquire.

Latest Academy Articles

Funbyautoparts
Fault diagnosisIntermediate1 min read

Rough idle: electronic EGR valve sticking inspection clues

The engine idles roughly (rough idling) or hesitates during acceleration.

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Funbyautoparts
Fault diagnosisIntermediate1 min read

Engine stalls or enters emergency mode: airflow meter inspection clues

The engine stalls or the control unit enters an emergency program, possibly with the engine warning light on.

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Funbyautoparts
Fault diagnosisIntermediate1 min read

Charging indicator does not light with ignition on and engine stopped

The ignition is switched on and the engine is not yet running, but the charging/battery indicator does not light.

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Funbyautoparts
Fault diagnosisIntermediate1 min read

Alternator does not charge or charges intermittently: wiring and belt checks

A conventional alternator does not charge or charges intermittently.

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Funbyautoparts
Fault diagnosisIntermediate1 min read

Engine cranks very slowly: battery and connection checks

Engine cranking speed is too low, making starting difficult (slow cranking).

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Funbyautoparts
Fault diagnosisIntermediate1 min read

Starter does not crank the engine: control circuit checks

The battery is in good condition, but the starter still does not crank the engine.

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Funbyautoparts
Fault diagnosisIntermediate1 min read

Brake squeal: caliper and brake pad installation checks

Squealing occurs during braking (squeal).

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Funbyautoparts
Fault diagnosisIntermediate1 min read

Vehicle pulls to one side during braking: clues to caliper sticking

The vehicle pulls to one side during braking, possibly with uneven brake pad wear on the same axle.

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Funbyautoparts
Fault diagnosisIntermediate1 min read

Steering wheel vibration during braking: hub contact surface and brake disc runout checks

The steering wheel or brake pedal vibrates during braking (brake judder).

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Funbyautoparts
Fault diagnosisIntermediate1 min read

Light chassis knocking on uneven roads: anti-roll bar link ball joint play check

Light clicking or knocking occurs while driving straight over uneven roads.

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Funbyautoparts
Fault diagnosisIntermediate2 min read

P0A80: dust buildup in battery cooling passages (US 2013–2014 Camry HV case)

The engine MIL comes on and P0A80 is stored; this entry covers only the blockage conditions described in the bulletin.

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Funbyautoparts
Fault diagnosisIntermediate2 min read

P0AA6: high-voltage insulation fault with reduced power (2017 IONIQ Hybrid T2J case)

Engine and hybrid warning lights come on, possibly with reduced acceleration power and inoperative air conditioning.

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