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Cooling system design, coolant type, and service intervals vary by manufacturer and model. Always consult your vehicle's owner's manual, and never open a hot radiator cap, let the engine cool before checking coolant.\u003c\/em\u003e\u003c\/p\u003e","brand":"123 Auto Guides","offers":[{"title":"English","offer_id":50077801644309,"sku":null,"price":149.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/2720\/2837\/files\/en-vol7-cover-jpg.jpg?v=1791577783"},{"product_id":"engine-fundamentals-master-guide-learning-series-vol-8","title":"Engine Fundamentals Master Guide | 123 Auto Guides Learning Series, Vol. 8","description":"\u003cp\u003eYour engine starts making a new noise, and a friend throws out terms like \"compression\" and \"timing\" like you're supposed to know what they mean, right before a shop quotes you a rebuild that costs more than the car is worth. Most owners either nod along and hope it's nothing, letting real damage get worse, or assume every unfamiliar sound means an expensive repair when it doesn't. 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Suspension and steering are safety-critical systems and design varies by manufacturer and model. Always consult your vehicle's owner's manual, and have any suspected worn component inspected by a qualified technician.\u003c\/em\u003e\u003c\/p\u003e","brand":"123 Auto Guides","offers":[{"title":"English","offer_id":50077803348245,"sku":null,"price":149.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/2720\/2837\/files\/en-vol9-cover-jpg.jpg?v=1791577782"},{"product_id":"automotive-electrical-systems-master-guide-learning-series-vol-10","title":"Automotive Electrical Systems Master Guide | 123 Auto Guides Learning Series, Vol. 10","description":"\u003cp\u003eYou turn the key and get a slow crank, or nothing at all. 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Electrical system layout and component ratings vary by manufacturer and model. Always consult your vehicle's owner's manual, and disconnect the battery before working on any electrical component.\u003c\/em\u003e\u003c\/p\u003e","brand":"123 Auto Guides","offers":[{"title":"English","offer_id":50077804429589,"sku":null,"price":149.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/2720\/2837\/files\/en-vol10-cover-jpg.jpg?v=1791577785"},{"product_id":"manual-transmission-fundamentals-learning-series","title":"Manual Transmission Fundamentals | 123 Auto Guides Learning Series","description":"\u003cp\u003eYour clutch pedal starts feeling different, and the engine revs a little higher than the road speed suggests it should. Most drivers either ignore it until the clutch slips out entirely on a hill, turning a wear item into a stranded car and a tow bill, or panic and pay for a full gearbox inspection when it's really just clutch wear. 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That information comes from sensors, and the computer acts on its decisions through actuators. 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Sensor and actuator locations and part numbers vary by manufacturer and model. Always confirm any diagnosis with a proper scan tool reading and a qualified technician before replacing parts.\u003c\/em\u003e\u003c\/p\u003e","brand":"123 Auto Guides","offers":[{"title":"Default","offer_id":50116605018389,"sku":"AAPM-SENSORS-ACT","price":149.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/2720\/2837\/files\/en-sensors-cover-jpg.jpg?v=1791577783"},{"product_id":"engine-management-systems-explained","title":"Engine Management Systems Explained","description":"\u003cp\u003eSomeone offers you a \"tune\" for a flat fee, or a workshop quotes you for the sensor a fault code mentioned by name. In both cases you are being asked to approve something you have no way to judge. This guide gives you the mechanism behind both decisions: what the engine computer actually measures, what it can and cannot command, what a fault code really names, and what a calibration really changes.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:20px; background:#F5F5F5; border-radius:12px; padding:20px 24px; margin:24px 0;\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSkill Level\u003c\/strong\u003e\u003cbr\u003eIntermediate\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRead Time\u003c\/strong\u003e\u003cbr\u003e~25 minutes\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFormat\u003c\/strong\u003e\u003cbr\u003e25-page PDF, instant download\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLast Updated\u003c\/strong\u003e\u003cbr\u003eSeptember 2026\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Any driver who has been handed a fault code and a quote, or who is considering a performance tune, and wants to tell a real diagnosis from a guess and a safe calibration from an expensive mistake.\u003c\/p\u003e\n\u003cp\u003ePetrol and diesel engine management get a chapter each, because they are two different jobs: a petrol ECU commands fuel, spark and airflow around a mixture a catalyst can work with, while a diesel ECU commands injection timing and quantity, rail pressure, boost, EGR, glow and exhaust aftertreatment, and never commands a spark at all.\u003c\/p\u003e\n\u003cp\u003eCovers what ECU, ECM and PCM mean and what open and closed loop actually describe; crankshaft and camshaft synchronisation and how load is calculated; the control modes from cranking to limp home; ignition timing, fuel delivery and fuel trims; why knock and pre-ignition are different events with different fixes; air and emissions control on both fuels; why power, ground and reference voltage are checked before any sensor; pending, confirmed and permanent codes, freeze frame and readiness monitors; a nine-step diagnostic workflow where the part is step eight; every engine-related warning lamp with the right response; and what a tune changes, what it must never remove, and the legal, warranty and insurance side of modifying software. 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It is not a repair manual, a calibration guide, an emissions certification or legal advice. System architecture, diagnostic access, warning behaviour and the legality of software modification vary by manufacturer, model, market and model year. Always consult your vehicle's owner's manual and manufacturer service information, and have diagnosis and repair carried out by a qualified technician.\u003c\/em\u003e\u003c\/p\u003e","brand":"123 Auto Guides","offers":[{"title":"Default","offer_id":50116608196885,"sku":"AAPM-ENGMGMT","price":149.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/2720\/2837\/files\/en-ems-cover-jpg.jpg?v=1791577783"},{"product_id":"ev-fundamentals-explained","title":"EV Fundamentals Explained","description":"\u003cp\u003eYou're considering an EV and every source seems to disagree: one says maintenance is basically free, another says the battery, the single most expensive part of the car, will need replacing in a few years no matter what. Most people either believe the hype and skip research that would protect their investment, or believe the fear and pay a premium avoiding a technology that's cheaper to own than they think. This guide replaces both with a real grasp of how the thing actually works underneath, so your decision is based on facts instead of whichever story you heard last.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:20px; background:#F5F5F5; border-radius:12px; padding:20px 24px; margin:24px 0;\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSkill Level\u003c\/strong\u003e\u003cbr\u003eBeginner-friendly\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRead Time\u003c\/strong\u003e\u003cbr\u003e~20 minutes\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFormat\u003c\/strong\u003e\u003cbr\u003e22-page PDF, instant download\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLast Updated\u003c\/strong\u003e\u003cbr\u003eSeptember 2026\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Anyone considering an EV who's gotten conflicting information about maintenance and battery life, especially those who want facts instead of hype or fear.\u003c\/p\u003e\n\u003cp\u003eElectric vehicles are simpler in some ways than petrol cars, and more different than most people expect in others. This guide covers the fundamentals: how the motor and battery work together, what regenerative braking actually does, what decides charging speed and real-world range, and what an EV still needs looked after.\u003c\/p\u003e\n\u003cp\u003eCovers the three motor types in production cars, the battery pack and the system that manages it, why the pack is kept cool and warm, the two electrical systems and why the small one strands more EVs than the big one, AC and DC charging explained by what they are rather than by a regional label, the charging curve, winter range and cabin heating, maintenance including the reduction-drive fluid nobody mentions, and what is and isn't safe about charging in the wet. Six photographs, two of them numbered to the text, and six diagrams. No fabricated numbers, no vehicle-specific range or charging claims that go stale the moment they're published.\u003c\/p\u003e\n\u003ch3\u003eWhat's Inside\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWhat Makes an EV Different\u003c\/li\u003e\n\u003cli\u003eHow an Electric Motor Works\u003c\/li\u003e\n\u003cli\u003eThe Battery Pack\u003c\/li\u003e\n\u003cli\u003eKeeping the Pack Cool, and Warm\u003c\/li\u003e\n\u003cli\u003eHigh Voltage and the 12-Volt System\u003c\/li\u003e\n\u003cli\u003eRegenerative Braking\u003c\/li\u003e\n\u003cli\u003eCharging: AC and DC\u003c\/li\u003e\n\u003cli\u003eCharging Speed: What Actually Decides It\u003c\/li\u003e\n\u003cli\u003eWhat Really Decides Range\u003c\/li\u003e\n\u003cli\u003eCold Weather and Cabin Heating\u003c\/li\u003e\n\u003cli\u003eEV Maintenance\u003c\/li\u003e\n\u003cli\u003eCharging and Water: What Is Safe\u003c\/li\u003e\n\u003cli\u003eCommon Myths, Corrected\u003c\/li\u003e\n\u003cli\u003eCommon Mistakes\u003c\/li\u003e\n\u003cli\u003eQuick Reference Table\u003c\/li\u003e\n\u003cli\u003eOne-Page Cheat Sheet\u003c\/li\u003e\n\u003cli\u003eFree Bonus: 25-Point Car Check\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eThis guide provides general educational information. Range, charging specifications, and maintenance requirements vary significantly by manufacturer and model. Work on high-voltage components must be carried out only by suitably trained technicians. Always consult your vehicle's owner's manual for anything model-specific or safety-critical.\u003c\/em\u003e\u003c\/p\u003e","brand":"123 Auto Guides","offers":[{"title":"Default","offer_id":50116618748181,"sku":"AAPM-EVFUND","price":149.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/2720\/2837\/files\/en-ev-cover-jpg.jpg?v=1791577784"},{"product_id":"hybrid-vehicle-systems-explained","title":"Hybrid Vehicle Systems Explained","description":"\u003cp\u003eSomeone tells you hybrids are \"just a gas car with a battery bolted on,\" and someone else tells you they're basically an EV that also has a gas tank. Neither is quite right, and the confusion makes it hard to know what actually changes about owning one, including which maintenance habits protect your investment and which ones are a waste of money on a system that doesn't need them. This guide clears that up before you make a decision, or a mistake, based on a myth.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:20px; background:#F5F5F5; border-radius:12px; padding:20px 24px; margin:24px 0;\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSkill Level\u003c\/strong\u003e\u003cbr\u003eBeginner-friendly\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRead Time\u003c\/strong\u003e\u003cbr\u003e~20 minutes\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFormat\u003c\/strong\u003e\u003cbr\u003e22-page PDF, instant download\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLast Updated\u003c\/strong\u003e\u003cbr\u003eSeptember 2026\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Anyone confused about what actually changes with hybrid ownership, especially those trying to separate real maintenance differences from myths.\u003c\/p\u003e\n\u003cp\u003eA hybrid vehicle combines a conventional gas engine with an electric motor and battery, and the way those two power sources cooperate is the core idea behind every hybrid design, regardless of manufacturer. This guide explains that cooperation in plain English, no fabricated numbers.\u003c\/p\u003e\n\u003cp\u003eCovers how a hybrid's computer constantly decides how much power should come from the gas engine versus the electric motor, the real differences between mild, full, and plug-in hybrids, how the hybrid battery pack works in plain terms, regenerative braking in a hybrid, and what genuinely changes about maintenance.\u003c\/p\u003e\n\u003ch3\u003eWhat's Inside\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntroduction\u003c\/li\u003e\n\u003cli\u003eHow a Hybrid Works\u003c\/li\u003e\n\u003cli\u003eMain Hybrid Components\u003c\/li\u003e\n\u003cli\u003eHow the System Splits the Work\u003c\/li\u003e\n\u003cli\u003eMild, Full and Plug-In Hybrids\u003c\/li\u003e\n\u003cli\u003eThe Traction Battery\u003c\/li\u003e\n\u003cli\u003e12-Volt Battery vs. Traction Battery\u003c\/li\u003e\n\u003cli\u003eRegenerative Braking\u003c\/li\u003e\n\u003cli\u003eBattery Cooling and Thermal Management\u003c\/li\u003e\n\u003cli\u003eMaintenance vs. a Petrol Car\u003c\/li\u003e\n\u003cli\u003eWhat Owners Can Do, and What to Leave Alone\u003c\/li\u003e\n\u003cli\u003eHigh-Voltage Safety\u003c\/li\u003e\n\u003cli\u003eWarning Signs Worth Acting On\u003c\/li\u003e\n\u003cli\u003eCommon Mistakes\u003c\/li\u003e\n\u003cli\u003eQuick Reference Table\u003c\/li\u003e\n\u003cli\u003eOne-Page Cheat Sheet\u003c\/li\u003e\n\u003cli\u003eBefore You Go\u003c\/li\u003e\n\u003cli\u003eFree Bonus: 25-Point Car Check\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eThis guide provides general educational information. Hybrid system design and maintenance requirements vary significantly by manufacturer and model. Always consult your vehicle's owner's manual and a qualified hybrid technician for anything model-specific or safety-critical, hybrid high-voltage systems should only be serviced by trained professionals.\u003c\/em\u003e\u003c\/p\u003e","brand":"123 Auto Guides","offers":[{"title":"Default","offer_id":50116619272469,"sku":"AAPM-HYBRID","price":149.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/2720\/2837\/files\/en-hybrid-cover-jpg.jpg?v=1791577783"},{"product_id":"ev-battery-health-and-charging-explained","title":"EV Battery Health and Charging Explained","description":"\u003cp\u003eYou keep hearing that fast charging \"kills\" an EV battery, and also that it's totally fine, from two people who both sound confident. The battery is the single most expensive component in an EV, and also the subject of the most confident folklore, most of it borrowed from phones, from older chemistries, or from one manufacturer's advice applied to every car. This guide replaces it with the mechanism: what actually ages a cell, what the management system already does for you, and the handful of habits that genuinely matter.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:20px; background:#F5F5F5; border-radius:12px; padding:20px 24px; margin:24px 0;\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSkill Level\u003c\/strong\u003e\u003cbr\u003eIntermediate\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRead Time\u003c\/strong\u003e\u003cbr\u003e~25 minutes\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFormat\u003c\/strong\u003e\u003cbr\u003e23-page PDF, instant download\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLast Updated\u003c\/strong\u003e\u003cbr\u003eSeptember 2026\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Any EV owner or used-EV buyer who has heard conflicting claims about charge limits, fast charging and battery wear, and wants the defaults that protect the most expensive part of the car, set once.\u003c\/p\u003e\n\u003cp\u003eBuilds on our EV Fundamentals guide and gives the pack the whole book: usable versus gross capacity and the buffers the manufacturer controls, calendar ageing versus cycle ageing, what the battery management system monitors and balances, how cold and heat act on different timescales, why charging advice differs between LFP and nickel-based packs, the charging curve and why DC charging tapers, what fast charging can and cannot wear, why near-empty and full are different problems, state of health and what you can actually see, a seven-step checklist before you suspect the battery, every EV battery warning lamp with the right response, and an essential high-voltage safety page. Six photographs, one numbered to the text, four diagrams, and a source list. No fabricated numbers; the owner's manual always wins.\u003c\/p\u003e\n\u003ch3\u003eWhat's Inside\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWhy the Battery Is the Whole Story\u003c\/li\u003e\n\u003cli\u003eWhat Degradation Actually Is\u003c\/li\u003e\n\u003cli\u003eThe Battery Management System\u003c\/li\u003e\n\u003cli\u003eTemperature: Cold Now, Heat Over Time\u003c\/li\u003e\n\u003cli\u003eChemistry Matters: LFP, NMC and the Rest\u003c\/li\u003e\n\u003cli\u003eCharging Habits That Genuinely Help\u003c\/li\u003e\n\u003cli\u003eThe Charging Curve, and Why It Tapers\u003c\/li\u003e\n\u003cli\u003eDC Fast Charging: What Actually Wears\u003c\/li\u003e\n\u003cli\u003eVery Low Charge, and Long Storage\u003c\/li\u003e\n\u003cli\u003eState of Health, Warranty, and What You Can See\u003c\/li\u003e\n\u003cli\u003eSlow Charging Is Not a Diagnosis\u003c\/li\u003e\n\u003cli\u003eWarning Lamps and What They Mean\u003c\/li\u003e\n\u003cli\u003eHigh-Voltage Safety\u003c\/li\u003e\n\u003cli\u003eCommon Myths, Corrected\u003c\/li\u003e\n\u003cli\u003eCommon Mistakes\u003c\/li\u003e\n\u003cli\u003eQuick Reference Table\u003c\/li\u003e\n\u003cli\u003eOne-Page Cheat Sheet\u003c\/li\u003e\n\u003cli\u003eFree Bonus: 25-Point Car Check\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eThis guide provides general educational information. Battery chemistry, management behaviour, charge-limit recommendations and warranty terms vary by manufacturer, model and market. Work on high-voltage components must be carried out only by suitably trained technicians. Always consult your vehicle's owner's manual, the displayed recommendations, and the manufacturer's warranty documentation for anything model-specific or safety-critical.\u003c\/em\u003e\u003c\/p\u003e","brand":"123 Auto Guides","offers":[{"title":"Default","offer_id":50116620878101,"sku":"AAPM-EVBATTERY","price":149.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/2720\/2837\/files\/en-evb-cover-jpg.jpg?v=1791577782"}],"url":"https:\/\/www.123autoguides.com\/nb-no\/collections\/international-edition.oembed","provider":"123 Auto Guides","version":"1.0","type":"link"}