Accurate parts matching
Read an OE part number and compare the listing with your vehicle before you inquire.
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Practical Chinese EV education for repair shops, distributors, importers, fleet operators, and owners.
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Funbyautoparts
Technical guide2 min read
BYD Qin L DM-i Engine Starts After Long EV Driving
Why the BYD Qin L DM-i engine may start after long EV driving: the manual links it to canister purging. When it's normal and when to get help.
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Technical guide2 min read
BYD Qin L DM-i Fuel Nozzle Keeps Clicking Off: What to Check
Fuel nozzle cutting off repeatedly on a BYD Qin L DM-i? Why not to blame the filler cap or canister first, and what to tell the workshop.
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Technical guide2 min read
Engine Air Filter vs Cabin Filter: Don't Buy the Wrong One
The BYD Qin L DM-i schedule lists the engine air filter and cabin high-efficiency filter separately. Why "filter" alone isn't enough to order a part.
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Technical guide2 min read
Plug-in Hybrid Spark Plugs: Heat Range Isn't Spark Energy
A spark plug's heat range describes its thermal behaviour, not spark energy or material grade. Why heat range shouldn't be changed on the BYD Qin L DM-i.
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Technical guide2 min read
Plug-in Hybrid Crankcase Ventilation: Valve, Hose, Separator
The BYD Qin L DM-i schedule lists the PCV valve and ventilation hoses separately. Why valve, hose and oil separator need different evidence.
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Technical guide2 min read
Short-Trip Plug-in Hybrid Use: Low Mileage Isn't Light Use
Why low mileage alone isn't a reason to delay plug-in hybrid maintenance: the BYD Qin L DM-i manual counts repeated short cold trips and long idling.
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Technical guide2 min read
BYD Qin L DM-i Service Schedule: Total vs HEV Mileage
The BYD Qin L DM-i maintenance schedule uses total mileage for some items and HEV mileage for engine items. How to read each line without miscounting.
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Technical guide2 min read
BYD Qin L DM-i EV and HEV Modes: Not an Engine Switch
On the BYD Qin L DM-i, HEV mode doesn't mean the engine always runs. How charge, power demand and temperature affect it, and what modes can't explain.
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Technical guide2 min read
Tesla Model 3 Temporary Tyre Repair Kit: Check Limits First
The Model 3 manual lists when the temporary tyre repair kit can't be used, such as sidewall damage. Why to read the limits before buying and before a trip.
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Technical guide2 min read
Tesla Model 3 on a Lift: What Owners Should Confirm
Tesla prohibits lifting a Model 3 with the charge cable connected, even if not charging. What to confirm with the workshop, and why owners shouldn't help.
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Technical guide2 min read
Tesla Model 3 Parts Quotes: Avoiding VIN and Spec Mix-Ups
A Model 3 parts quote needs the car's full identity, not just the model name. How to pass VIN and configuration details once and have them checked back.
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Technical guide2 min read
Tesla Model 3 Boot Loading: Where to Find Weight Limits
Model 3 load limits come from the car's own tyre and loading label and certification label. How to plan passengers, luggage and accessories together.
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