UNDERCHARGERS · PROBLEM GUIDES
Start with what your car is doing.
You do not need to know the exact failed part. Choose the symptom that sounds closest to your concern, see what may need inspection, then book or message an expert.
Noise, ride & underchassis
Start with what the vehicle is doing, then inspect the systems related to the symptom.
Kalampag sa ilalimA knocking or clunking sound underneath the vehicle can come from several suspension or underchassis components. The sound alone is not enough to identify which part needs replacement.View guide →Lagutok pag lumilikoA clicking, popping or clunking sound while turning can come from steering, suspension, driveline or mounting components. The exact sound and steering position matter during inspection.View guide →Matagtag na rideA harsh ride can be related to tire pressure, tires, shocks, struts, bushings or other suspension concerns. Inspection should separate normal vehicle characteristics from actual wear.View guide →Steering vibrationSteering vibration can come from tires, wheels, brakes, steering, suspension or driveline concerns. The speed and condition when it happens help narrow down the check.View guide →LagutokA popping or clunking sound can come from multiple underchassis or suspension areas. Where and when the sound happens is important for diagnosis.View guide →VibrationVehicle vibration can come from tires, wheels, brakes, engine mounts, suspension, driveline or engine related concerns. The speed and driving condition when it appears help narrow the source.View guide →Uneven tire wearUneven tire wear can be related to tire pressure, alignment, suspension wear or steering component condition. The wear pattern can provide clues but should be checked with the vehicle.View guide →Worn suspension partWorn suspension components can affect noise, handling, alignment and tire wear. Inspection should confirm which component has play, damage or deterioration.View guide →
Engine & performance
Start with what the vehicle is doing, then inspect the systems related to the symptom.
Check engine lightA check engine light means the vehicle detected a fault condition, but the code alone does not always identify the failed part. Scanning and verification should come before replacement.View guide →Low powerLow power can come from engine, air, fuel, exhaust, electronic or transmission related concerns. The symptom should be diagnosed before choosing a repair.View guide →Mahina ang hatakMahina ang hatak can have several causes, including airflow, fuel, ignition, EGR related, sensor or mechanical concerns. Inspection and scan findings should guide the next step.View guide →Rough idleRough idle can be related to airflow, ignition, fuel, EGR related, vacuum or mechanical concerns. The pattern of the vibration and scan data can help narrow the source.View guide →Black smokeBlack exhaust smoke can indicate an air fuel or combustion related concern, but the exact cause depends on the vehicle. Diagnosis should confirm the system involved before repair.View guide →OverheatingEngine overheating can cause serious damage if ignored. The cooling system and engine condition should be checked before continued driving.View guide →Unusual engine feelA change in engine feel can be caused by maintenance, ignition, airflow, fuel, mounting or mechanical concerns. Describe when it happens so inspection can start in the right area.View guide →LeakLeaks can involve engine oil, coolant, transmission fluid, power steering fluid, water or other systems. Fluid type and leak location should be identified before repair.View guide →
Air conditioning
Start with what the vehicle is doing, then inspect the systems related to the symptom.
Mahina ang airconWeak car air conditioning can come from airflow, refrigerant, compressor, electrical or heat exchange concerns. Inspection should identify the actual cause before parts are replaced.View guide →Warm airWarm air from the vents can have several possible causes. The correct next step is to check the air conditioning system rather than assume it only needs refrigerant.View guide →Intermittent coolingIntermittent cooling can point to pressure, compressor, airflow, sensor or electrical concerns. The symptom needs to be reproduced and checked before deciding what to repair.View guide →Aircon noiseAir conditioning noises can come from the blower, compressor, belt drive, fan or nearby components. The sound and when it happens help narrow down what should be inspected.View guide →
Electrical & diagnostics
Start with what the vehicle is doing, then inspect the systems related to the symptom.
Battery warningA battery warning light can involve the charging system, battery, wiring or drive belt system. The light should be checked before assuming the battery alone is the problem.View guide →No startA no start condition can come from the battery, starter, fuel, ignition, immobilizer, wiring or engine related concerns. The exact behavior during starting helps guide diagnosis.View guide →Dim lightsDim or flickering lights can point to charging, grounding, connection or component concerns. Voltage testing is more useful than replacing parts by guesswork.View guide →Electrical intermittencyIntermittent electrical faults can be difficult to reproduce. A structured check of the affected circuit, connections, grounds and scan data helps narrow down the source.View guide →Warning lightDashboard warning lights can relate to different vehicle systems. Identifying the exact symbol and scanning the relevant system helps determine what needs attention.View guide →Intermittent faultIntermittent faults often need symptom history, scan data and targeted testing. A fault that disappears temporarily does not always mean the issue is gone.View guide →Failed electrical componentAn electrical component that stops working may have a failed part, but wiring, power supply, grounds, fuse or control issues can produce the same symptom.View guide →
Maintenance
Start with what the vehicle is doing, then inspect the systems related to the symptom.
Due for PMSPreventive maintenance keeps scheduled service items from being missed. The exact work should follow the vehicle’s condition, mileage, age and maintenance history.View guide →Fluid concernLow, contaminated or deteriorated fluid can point to maintenance needs or a leak. The correct fluid and the reason for the condition should be checked.View guide →Maintenance replacementFilters, fluids and other maintenance items have different replacement intervals depending on the vehicle and use. Inspection and service history help determine what is actually due.View guide →General vehicle inspectionA general vehicle inspection can help identify visible wear, maintenance needs and concerns that deserve closer diagnosis, especially when service history is incomplete.View guide →