https://oilandmiles.com/ What your car actually costs to keep running: repair prices, oil and fluid specifications, and used cars judged on what breaks. en-us Wed, 23 Sep 2026 00:00:00 +0000 https://oilandmiles.com/articles/p0440-code https://oilandmiles.com/articles/p0440-code Wed, 23 Sep 2026 00:00:00 +0000 What a P0440 code tells you, what it leaves out, and which code beside it does the naming. https://oilandmiles.com/articles/p0174-code https://oilandmiles.com/articles/p0174-code Wed, 23 Sep 2026 00:00:00 +0000 P0174 code means system too lean on bank 2, and it rarely arrives alone. What the records say, and what the parts cost. https://oilandmiles.com/articles/p0172-code https://oilandmiles.com/articles/p0172-code Wed, 23 Sep 2026 00:00:00 +0000 P0172 code meaning, why misfires come with it, and which cars actually report it. https://oilandmiles.com/articles/p0700-code https://oilandmiles.com/articles/p0700-code Tue, 22 Sep 2026 00:00:00 +0000 What a P0700 code is asking for, why it needs a second code, and which cars file it. https://oilandmiles.com/articles/p0301-code https://oilandmiles.com/articles/p0301-code Tue, 22 Sep 2026 00:00:00 +0000 What a P0301 code means, what causes a cylinder 1 misfire, whether you can drive, what it costs, and the Ford EcoBoost engines where it means coolant. https://oilandmiles.com/articles/p0441-code https://oilandmiles.com/articles/p0441-code Mon, 21 Sep 2026 00:00:00 +0000 P0441 code meaning, why it's not a leak, and whether it is really a Toyota problem. https://oilandmiles.com/articles/p0442-code https://oilandmiles.com/articles/p0442-code Sun, 20 Sep 2026 00:00:00 +0000 P0442 code meaning, the codes it arrives with, and what a fix costs. https://oilandmiles.com/articles/p0128-code https://oilandmiles.com/articles/p0128-code Sun, 20 Sep 2026 00:00:00 +0000 What a P0128 code costs, why it fails emissions twice, and the free check to do first. https://oilandmiles.com/articles/p0446-code https://oilandmiles.com/articles/p0446-code Sat, 19 Sep 2026 00:00:00 +0000 A P0446 code says a valve was told to move and didn't. That's a part, not a hole, and it comes back faster than a leak code. https://oilandmiles.com/articles/p0300-code https://oilandmiles.com/articles/p0300-code Fri, 18 Sep 2026 00:00:00 +0000 A P0300 code means the misfire moved around, so it points at fuel, air or spark rather than one cylinder. A free swap tells you which. https://oilandmiles.com/articles/p0171-code https://oilandmiles.com/articles/p0171-code Fri, 18 Sep 2026 00:00:00 +0000 A P0171 code is the computer saying it has been adding fuel and can't add any more. Two faults pull that way, and when it's worst tells them apart. https://oilandmiles.com/articles/oil-light https://oilandmiles.com/articles/oil-light Fri, 18 Sep 2026 00:00:00 +0000 Red oil light means stop, amber means book a service. Seven carmakers, six different instructions, and the car behind a quarter of all complaints. https://oilandmiles.com/articles/oil-change-light https://oilandmiles.com/articles/oil-change-light Fri, 18 Sep 2026 00:00:00 +0000 The oil change light is a reminder, not a reading of your oil. Amber waits for you, and it stays lit after a change until someone resets it. https://oilandmiles.com/articles/transmission-slipping https://oilandmiles.com/articles/transmission-slipping Thu, 17 Sep 2026 00:00:00 +0000 What it is, what feels like it but isn't, why it worsens as you drive, the cheap causes to rule out first, and what transmission slipping costs. https://oilandmiles.com/articles/transmission-fluid-color https://oilandmiles.com/articles/transmission-fluid-color Thu, 17 Sep 2026 00:00:00 +0000 What each color means, why a dark reading often means nothing, what actually moves transmission fluid color, and what to check instead. https://oilandmiles.com/articles/do-catalytic-converter-cleaners-work https://oilandmiles.com/articles/do-catalytic-converter-cleaners-work Thu, 17 Sep 2026 00:00:00 +0000 Two failures a bottle can reach, the four it can't, the free version that works better, and what to check before buying a catalytic converter cleaner. https://oilandmiles.com/articles/cvt-transmission-problems https://oilandmiles.com/articles/cvt-transmission-problems Thu, 17 Sep 2026 00:00:00 +0000 CVT transmission problems by model: what the federal complaint record shows, the four cars behind most of them, what Nissan paid, and why there was no recall. https://oilandmiles.com/articles/coolant-stop-leak https://oilandmiles.com/articles/coolant-stop-leak Thu, 17 Sep 2026 00:00:00 +0000 Coolant stop leak costs $9.99 and can seal a weep. Ford's manual says don't use it, and GM sold it as a part before writing a bulletin against it. https://oilandmiles.com/articles/coolant-flush https://oilandmiles.com/articles/coolant-flush Thu, 17 Sep 2026 00:00:00 +0000 Coolant flush cost from seven real invoices, why the $286 parts figure falls apart, when a flush is actually due, and what to say to a flush quote. https://oilandmiles.com/articles/catalytic-converter-theft-prevention https://oilandmiles.com/articles/catalytic-converter-theft-prevention Thu, 17 Sep 2026 00:00:00 +0000 Catalytic converter theft: which cars get picked, what actually buys you time, what a stolen converter costs, who pays for it, and what to do after one. https://oilandmiles.com/articles/antifreeze-vs-coolant https://oilandmiles.com/articles/antifreeze-vs-coolant Thu, 17 Sep 2026 00:00:00 +0000 Pure antifreeze freezes at +8F. Antifreeze vs coolant is the ingredient against the mixture, and pouring the ingredient in neat makes protection worse. https://oilandmiles.com/articles/p0443-code https://oilandmiles.com/articles/p0443-code Mon, 14 Sep 2026 00:00:00 +0000 P0443 code meaning, cost and fix. It is the circuit test, not the leak test, so the valve is the second thing to check, not the first. Priced on three cars. https://oilandmiles.com/articles/dashboard-warning-lights https://oilandmiles.com/articles/dashboard-warning-lights Wed, 09 Sep 2026 00:00:00 +0000 Dashboard warning lights: which three mean pull over, which five mean book it, what each lamp measures, which symbols aren't warnings, and what each costs. https://oilandmiles.com/articles/how-to-check-transmission-fluid-level https://oilandmiles.com/articles/how-to-check-transmission-fluid-level Sun, 06 Sep 2026 00:00:00 +0000 Checked cold it reads empty. Engine off, it reads high. How to check transmission fluid level so the number means something, straight from the manual. https://oilandmiles.com/articles/check-engine-light-meaning https://oilandmiles.com/articles/check-engine-light-meaning Sat, 05 Sep 2026 00:00:00 +0000 A check engine light is a test the car failed twice, not once. What it means, why it is on, how to reset it, what repairs cost, and emissions tests. https://oilandmiles.com/articles/bad-transmission-symptoms https://oilandmiles.com/articles/bad-transmission-symptoms Sat, 05 Sep 2026 00:00:00 +0000 Bad transmission symptoms, the cause behind each, and seven repairs priced twice: what the part costs at the counter and what the job bills. https://oilandmiles.com/articles/p0455-code https://oilandmiles.com/articles/p0455-code Fri, 04 Sep 2026 00:00:00 +0000 P0455 code means a large EVAP leak. The cap is $2.76 to $43 at the counter and $108 on a shop bill. Every part priced on a Chevy, Toyota, Ford and Nissan. https://oilandmiles.com/articles/check-engine-light-codes https://oilandmiles.com/articles/check-engine-light-codes Fri, 04 Sep 2026 00:00:00 +0000 How to read any OBD-II code from its four characters, plus the 22 most-searched check engine light codes, what each means and what the repair costs. https://oilandmiles.com/articles/catalytic-converter-replacement-cost https://oilandmiles.com/articles/catalytic-converter-replacement-cost Fri, 04 Sep 2026 00:00:00 +0000 $650 to $2,500 per converter, or $0. Catalytic converter replacement cost by grade on three cars, EPA against CARB against OEM, and what a shop adds. https://oilandmiles.com/articles/what-is-a-catalytic-converter https://oilandmiles.com/articles/what-is-a-catalytic-converter Thu, 03 Sep 2026 00:00:00 +0000 A catalytic converter is priced by what is painted onto the ceramic inside it, not by the steel around it. Three precious metals, three different jobs. https://oilandmiles.com/articles/p0456-code https://oilandmiles.com/articles/p0456-code Thu, 03 Sep 2026 00:00:00 +0000 A P0456 code is a small EVAP leak. The lamp clears itself, the leak doesn't. What it costs by car, and what to ask the shop for. https://oilandmiles.com/articles/p0430-code https://oilandmiles.com/articles/p0430-code Wed, 02 Sep 2026 00:00:00 +0000 A P0430 code names bank 2, and the converter is usually the casualty rather than the cause. https://oilandmiles.com/articles/how-long-does-an-alternator-last https://oilandmiles.com/articles/how-long-does-an-alternator-last Wed, 02 Sep 2026 00:00:00 +0000 No carmaker publishes an interval, so every range you read for how long an alternator lasts is aggregated failure reports rather than a specification. https://oilandmiles.com/articles/bad-catalytic-converter-symptoms https://oilandmiles.com/articles/bad-catalytic-converter-symptoms Wed, 02 Sep 2026 00:00:00 +0000 Bad catalytic converter symptoms describe two different failures, and only one changes how the car drives. Which one you have decides the test and how fast. https://oilandmiles.com/articles/how-long-can-you-drive-on-a-bad-wheel-bearing https://oilandmiles.com/articles/how-long-can-you-drive-on-a-bad-wheel-bearing Tue, 01 Sep 2026 00:00:00 +0000 Three stages, what one wheel costs at each, and how long you can drive on a bad wheel bearing. Nobody can give you a mileage, and this explains why. https://oilandmiles.com/articles/head-gasket-replacement-cost https://oilandmiles.com/articles/head-gasket-replacement-cost Tue, 01 Sep 2026 00:00:00 +0000 Blown head gasket repair cost, from what owners paid: $1,200 to $5,500. How much is a head gasket at the counter? $13 to $57, with part numbers. https://oilandmiles.com/articles/coolant-leak-repair-cost https://oilandmiles.com/articles/coolant-leak-repair-cost Tue, 01 Sep 2026 00:00:00 +0000 Coolant leak repair cost runs $496 to $1,902 across five repairs. A heater core costs less in parts than a radiator and more than twice as much to fit. https://oilandmiles.com/articles/where-is-the-vin-number https://oilandmiles.com/articles/where-is-the-vin-number Mon, 31 Aug 2026 00:00:00 +0000 Where the VIN number is on a car: two places, and federal rules require both. One you read through the windshield from outside, one on the driver's door. https://oilandmiles.com/articles/check-transmission-fluid-without-dipstick https://oilandmiles.com/articles/check-transmission-fluid-without-dipstick Mon, 31 Aug 2026 00:00:00 +0000 How to check transmission fluid without a dipstick is three procedures, not one. They disagree on whether the engine runs, and only one is a home job. https://oilandmiles.com/articles/bad-alternator-or-battery https://oilandmiles.com/articles/bad-alternator-or-battery Mon, 31 Aug 2026 00:00:00 +0000 Guessing wrong between a bad alternator and a bad battery costs $180 to $1,032, and both are tested free at a parts counter in five minutes. https://oilandmiles.com/articles/what-coolant-does-my-car-need https://oilandmiles.com/articles/what-coolant-does-my-car-need Sun, 30 Aug 2026 00:00:00 +0000 A specification code answers it, not a color: Ford lists two different specs that are both yellow. Find what coolant your car needs on the label. https://oilandmiles.com/articles/flashing-check-engine-light https://oilandmiles.com/articles/flashing-check-engine-light Sun, 30 Aug 2026 00:00:00 +0000 A flashing check engine light means raw fuel is reaching the exhaust now. The converter runs at 800F and is damaged above 2,000F. That is the whole urgency. https://oilandmiles.com/articles/transmission-flush-necessary https://oilandmiles.com/articles/transmission-flush-necessary Sat, 29 Aug 2026 00:00:00 +0000 A shop says every 12,000 miles and your manual says 60,000 or more. Whether a transmission flush is necessary, and when a neglected car changes it. https://oilandmiles.com/articles/timing-belt-symptoms https://oilandmiles.com/articles/timing-belt-symptoms Sat, 29 Aug 2026 00:00:00 +0000 Timing belt symptoms are mostly absent: across 4,315 federal complaints on twenty belt-driven cars, twenty three mention one. Here is what actually warns you. https://oilandmiles.com/articles/p0420-code https://oilandmiles.com/articles/p0420-code Sat, 29 Aug 2026 00:00:00 +0000 A P0420 code means the catalyst stopped storing oxygen. Replacing the converter without finding what killed it buys you the same code twice. https://oilandmiles.com/articles/coolant-leak https://oilandmiles.com/articles/coolant-leak Sat, 29 Aug 2026 00:00:00 +0000 A coolant leak starts in one of five places. Three you can check from the fender in a minute; the two you can't see are the ones that cost money. https://oilandmiles.com/articles/warped-brake-rotors https://oilandmiles.com/articles/warped-brake-rotors Thu, 27 Aug 2026 00:00:00 +0000 Warped brake rotors are usually misnamed. Three different faults share the name, they cost very different amounts, and one step decides whether you pay once. https://oilandmiles.com/articles/services-your-car-doesnt-need https://oilandmiles.com/articles/services-your-car-doesnt-need Thu, 27 Aug 2026 00:00:00 +0000 Eleven services your car doesn't need, what each one costs, what your manual actually says, and the sentence that ends the conversation. https://oilandmiles.com/articles/resurface-or-replace-brake-rotors https://oilandmiles.com/articles/resurface-or-replace-brake-rotors Thu, 27 Aug 2026 00:00:00 +0000 Everyone compares prices. The number stamped into your rotor decides whether you can resurface brake rotors at all, and on modern cars it often rules it out. https://oilandmiles.com/articles/car-smells-like-burning https://oilandmiles.com/articles/car-smells-like-burning Thu, 27 Aug 2026 00:00:00 +0000 Four reasons a car smells like burning, what each costs to fix, and the two that mean stop now, ranked by what federal fire data says actually ignites. https://oilandmiles.com/articles/valve-cover-gasket-replacement-cost https://oilandmiles.com/articles/valve-cover-gasket-replacement-cost Tue, 25 Aug 2026 00:00:00 +0000 Under $75 of a valve cover gasket replacement is the part. The rest is labor, and four checks under the hood decide the cost. https://oilandmiles.com/articles/transmission-fluid-leak-repair-cost https://oilandmiles.com/articles/transmission-fluid-leak-repair-cost Tue, 25 Aug 2026 00:00:00 +0000 One question splits transmission leak repair cost from $50 to $1,200: does the transmission have to come out? Seven leak points priced separately. https://oilandmiles.com/articles/oil-pan-gasket-replacement-cost https://oilandmiles.com/articles/oil-pan-gasket-replacement-cost Tue, 25 Aug 2026 00:00:00 +0000 A $40 part, and $400 to $500 of labor to reach it. Oil pan gasket replacement cost doubles when the pan is trapped. https://oilandmiles.com/articles/car-fluid-leak-repair-cost https://oilandmiles.com/articles/car-fluid-leak-repair-cost Tue, 25 Aug 2026 00:00:00 +0000 $50 to $2,400, and the gap is almost never the part. Car fluid leak repair cost turns on whether a technician can reach the seal or has to dig for it. https://oilandmiles.com/articles/brake-fluid-leak-repair-cost https://oilandmiles.com/articles/brake-fluid-leak-repair-cost Tue, 25 Aug 2026 00:00:00 +0000 $310 to $608 in 2026 for a brake fluid leak repair, caliper pair or master cylinder. How to tell which part is leaking, and where each figure came from. https://oilandmiles.com/articles/synthetic-vs-conventional-oil https://oilandmiles.com/articles/synthetic-vs-conventional-oil Sun, 23 Aug 2026 00:00:00 +0000 Synthetic vs conventional oil isn't lab versus crude. Almost all of it is crude. One measured number separates them, and your manual uses it. https://oilandmiles.com/articles/high-mileage-cars-to-avoid https://oilandmiles.com/articles/high-mileage-cars-to-avoid Sun, 23 Aug 2026 00:00:00 +0000 Complaint counts rank sales. We ranked 22 high-mileage cars by repair cost instead. https://oilandmiles.com/articles/do-high-mileage-cars-burn-oil https://oilandmiles.com/articles/do-high-mileage-cars-burn-oil Sun, 23 Aug 2026 00:00:00 +0000 Do high mileage cars burn oil? Usually, but the thresholds everyone quotes stop at 36,000 miles. What GM and Toyota actually publish, and what owners report. https://oilandmiles.com/articles/100k-mile-maintenance-cost https://oilandmiles.com/articles/100k-mile-maintenance-cost Sun, 23 Aug 2026 00:00:00 +0000 100k mile maintenance cost, item by item. The figure everyone quotes stops at 75,000 miles. Here is what arrives after it, and what each job really runs. https://oilandmiles.com/articles/what-is-oil-dilution https://oilandmiles.com/articles/what-is-oil-dilution Sat, 22 Aug 2026 00:00:00 +0000 Fuel getting into the engine oil, explained for the owner. What causes oil dilution, how to spot it on the dipstick, and how much of it is normal. https://oilandmiles.com/articles/driving-with-white-smoke-from-exhaust https://oilandmiles.com/articles/driving-with-white-smoke-from-exhaust Sat, 22 Aug 2026 00:00:00 +0000 There's no safe mileage figure. What decides driving with white smoke from the exhaust is whether it clears in two minutes or stays. https://oilandmiles.com/articles/can-you-mix-synthetic-and-conventional-oil https://oilandmiles.com/articles/can-you-mix-synthetic-and-conventional-oil Sat, 22 Aug 2026 00:00:00 +0000 Yes, and API licensing tests for exactly that. What a mixture of synthetic and conventional oil loses is the approval your manual may require. https://oilandmiles.com/articles/which-cars-have-wet-belt-engines https://oilandmiles.com/articles/which-cars-have-wet-belt-engines Thu, 20 Aug 2026 00:00:00 +0000 The 1.5 diesel is on every list and shouldn't be. Does my car have a wet belt, answered engine by engine, with what each maker actually published. https://oilandmiles.com/articles/wet-belt-vs-timing-chain-vs-dry-belt https://oilandmiles.com/articles/wet-belt-vs-timing-chain-vs-dry-belt Thu, 20 Aug 2026 00:00:00 +0000 Three ways to drive a camshaft, three very different bills. Four ways to find out whether your car has a wet belt, a timing chain or a dry belt. https://oilandmiles.com/articles/wet-belt-engines-explained https://oilandmiles.com/articles/wet-belt-engines-explained Thu, 20 Aug 2026 00:00:00 +0000 Wet belt engines run the timing belt inside the oil pan, in oil. Why manufacturers did it, how it fails, which engines have one, and what decides its life. https://oilandmiles.com/articles/wet-belt-engine-oil https://oilandmiles.com/articles/wet-belt-engine-oil Thu, 20 Aug 2026 00:00:00 +0000 On a wet belt engine the oil is the belt's environment. Get the approval wrong and you're not just running cheap oil, you're dissolving the timing belt. https://oilandmiles.com/articles/puretech-1-2-wet-belt https://oilandmiles.com/articles/puretech-1-2-wet-belt Thu, 20 Aug 2026 00:00:00 +0000 Stellantis extended cover to 10 years. What the terms actually say for the PureTech 1.2 wet belt, which cars use it, and where the chain starts. https://oilandmiles.com/articles/ford-1-0-ecoboost-wet-belt https://oilandmiles.com/articles/ford-1-0-ecoboost-wet-belt Thu, 20 Aug 2026 00:00:00 +0000 Ford's 1.0 EcoBoost wet belt recall covers the oil pump belt, not the timing belt. Which Fiesta, Focus and EcoSport years are in it, and why the VIN decides. https://oilandmiles.com/articles/buying-used-car-wet-belt-engine https://oilandmiles.com/articles/buying-used-car-wet-belt-engine Thu, 20 Aug 2026 00:00:00 +0000 A used car with a wet belt engine is one to check properly, not cross off. The paperwork that matters, what the oil tells you, and when to walk away. https://oilandmiles.com/articles/what-to-use-instead-of-0w20 https://oilandmiles.com/articles/what-to-use-instead-of-0w20 Tue, 18 Aug 2026 00:00:00 +0000 5W-20 is the only real 0W-20 substitute. The two grades are identical at operating temperature and part company only on a cold start. https://oilandmiles.com/articles/timing-belt-replacement-cost https://oilandmiles.com/articles/timing-belt-replacement-cost Tue, 18 Aug 2026 00:00:00 +0000 Timing belt replacement cost runs $450 to $1,800. What sets the range, which parts belong in the kit, and what to question. https://oilandmiles.com/articles/steering-wheel-shakes-when-braking https://oilandmiles.com/articles/steering-wheel-shakes-when-braking Tue, 18 Aug 2026 00:00:00 +0000 If the steering wheel shakes when braking it is usually not warped rotors. The five real causes, in the order a shop should check them, with costs. https://oilandmiles.com/articles/how-to-read-an-oil-bottle https://oilandmiles.com/articles/how-to-read-an-oil-bottle Tue, 18 Aug 2026 00:00:00 +0000 How to read the API donut, the ILSAC starburst, ACEA grades and manufacturer approvals on an oil bottle, and how to spot a claim that means nothing. https://oilandmiles.com/articles/how-to-read-a-repair-estimate https://oilandmiles.com/articles/how-to-read-a-repair-estimate Tue, 18 Aug 2026 00:00:00 +0000 Whether the labor hours were looked up or guessed, overlapping jobs, shop supplies, diagnostic fees and parts markup: how to read a repair estimate. https://oilandmiles.com/articles/honda-crv-2017-2022-oil-dilution https://oilandmiles.com/articles/honda-crv-2017-2022-oil-dilution Tue, 18 Aug 2026 00:00:00 +0000 Honda CR-V oil dilution, counted from the complaint record. What it means for a used 1.5T today, which years to avoid, and how to check one before you buy. https://oilandmiles.com/articles/can-you-mix-coolant-colors https://oilandmiles.com/articles/can-you-mix-coolant-colors Tue, 18 Aug 2026 00:00:00 +0000 Three coolant types, what actually goes wrong when they meet, whether universal is safe, and how to fix it if you already did mix coolant colors. https://oilandmiles.com/articles/brake-pad-rotor-replacement-cost https://oilandmiles.com/articles/brake-pad-rotor-replacement-cost Tue, 18 Aug 2026 00:00:00 +0000 The parts are $57 to $307. Brake pad and rotor replacement cost is $280 to $650 an axle, and the rate decides which end. https://oilandmiles.com/articles/0w20-vs-5w30-wrong-oil https://oilandmiles.com/articles/0w20-vs-5w30-wrong-oil Tue, 18 Aug 2026 00:00:00 +0000 0W-20 vs 5W-30: one of these numbers matters far more than the other. What a single wrong fill does, what years of it does, and when it turns serious.