Q

where is catalytic converter on honda civic

In the Honda Civic models commonly seen on Malaysian roads, the catalytic converter is typically located in the front section of the exhaust system. Specifically, it sits right behind the engine's exhaust manifold and before the mid-pipe section, positioned around the middle area of the vehicle's undercarriage. It looks like a metal cylinder or oval-shaped canister, often covered with a heat shield. The exact placement can vary slightly between model years due to chassis design changes. For instance, the 10th-gen Civics (2016-2021) have their cats mounted closer underneath the firewall, while the latest 11th-gen models (from 2022 onwards) feature a close-coupled design where the catalytic converter is integrated directly into the exhaust manifold assembly. Malaysian Civic owners should note that the catalytic converter is crucial for reducing carbon monoxide, hydrocarbons, and nitrogen oxides in exhaust gases. For it to function properly, it needs fuel that meets local RON95 or RON97 standards – using low-quality fuel consistently can lead to converter clogging. If you ever need to have your catalytic converter inspected or replaced, it's best to go through an authorized Honda service center and use genuine OEM parts. This ensures compliance with Malaysia's JPJ emission regulations and helps prevent those annoying OBD warning lights from popping up. During daily driving, if you notice stronger exhaust odors or a drop in engine performance, those could be early signs of a failing catalytic converter – don't ignore them, get it checked promptly.
Special Disclaimer: This content is published by users and does not represent the views or position of PCauto.

Related Q&A

Q
How much does it cost to replace a timing belt on a 2018 Honda Civic?
The cost to replace the timing belt on a 2018 Honda Civic typically ranges from RM800 to RM1500. The exact price depends on the type of repair shop, whether original or aftermarket parts are used, and if components like the water pump are replaced at the same time. A genuine belt kit plus a water pump can push the total cost close to RM2000. As a critical engine component, the timing belt should be replaced every 60,000 to 100,000 kilometers or around 5 years. A broken belt can cause catastrophic damage from valve-piston collisions. Beyond the belt itself, professional technicians usually recommend replacing the tensioner and idler pulleys together for system stability. Note that some models use a timing chain design which doesn’t require regular replacement. When choosing a repair shop, verify they use legitimate parts and have Honda-specific experience—improper installation shortens belt life. Regularly checking for cracks or wear on the belt also helps prevent sudden failures.
FoxFoxNov 19, 2025
Q
Is the 2018 Civic a safe car?
The 2018 Honda Civic shines when it comes to safety, packing in a solid lineup of active and passive safety tech. You've got your standard stuff like Vehicle Stability Control, Anti-lock Braking System, multiple airbags, and a rigid body structure—all working together to keep occupants protected when crash tests put it to the test. Step up to the higher trims, and you'll get Honda SENSING, which adds some pretty advanced features: adaptive cruise control, lane keeping assist, and collision mitigation braking, just to name a few. These definitely give peace of mind on the road. Behind the wheel, the Civic feels steady and the brakes are reliable too, making it a solid choice for everyday driving. If you're looking to dig deeper into car safety, checking out crash test ratings is a good move—think ASEAN NCAP or Global NCAP scores. They give you a better overall picture of how a car holds up. And don't forget, regular maintenance—keeping an eye on tires, brakes, and other key parts—is just as crucial for staying safe out there.
BearBearNov 19, 2025
Q
How is the 2018 Civic's ride quality?
The 2018 Civic delivers well-balanced ride comfort in its class. The suspension tuning leans sporty but still works for daily use – the front MacPherson strut and rear multi-link setup does a solid job filtering out small road vibrations. That said, rear passengers will feel noticeable jolts when going over speed bumps or rough roads, which ties back to its stiffer spring rates. On the NVH front, tire noise gets a bit pronounced at highway speeds, but engine insulation is nicely done. The 1.5T turbo engine stays at low revs during cruising, keeping things calm. The seats have just the right amount of padding – supportive enough for long drives without feeling too firm. Steering feel is sharp with good road feedback, not overly sensitive. Notably, this generation Civic has 25% stiffer body rigidity than the previous model, resulting in more stable cornering posture. This design boosts handling while also indirectly improving ride stability during quick lane changes. If comfort is a higher priority, go for the factory 17-inch wheel option – it offers better shock absorption compared to the 18-inch version. And don’t forget to regularly check tire pressure and suspension bushing condition; both have a big impact on overall ride quality.
JopJopNov 19, 2025
Q
Is a used 2018 Civic a smart buy now?
The 2018 Honda Civic is a solid value pick as a used car right now. It strikes a good balance between power, space, and fuel economy. The 1.5T turbo engine delivers plenty of pep while keeping gas mileage reasonable, making it good for both daily commutes and longer drives. The interior is roomy, especially the rear legroom which beats out many competitors, and the trunk space is enough for family use too. In terms of reliability, it has a pretty low failure rate, routine maintenance costs are reasonable, and parts are easy to come by at decent prices. But keep an eye out for the oil dilution issue that some early batches had—definitely check the service records or get a professional inspection. Used prices have stabilized now, offering a nice discount compared to buying new, but when you buy, pay attention to mileage, accident history, and maintenance upkeep. I’d recommend looking for a car still under the original factory warranty or consider purchasing an extended warranty. The Civic has a big local presence, so it’s relatively easy to resell when you’re ready, and its resale value is above average for the class. You could also check out the same-year Toyota Corolla or Mazda3, but the Civic has the edge when it comes to driving fun and interior space, making it a great fit for buyers who want practicality with a bit of driving enjoyment.
EepEepNov 19, 2025
Q
What should I pay for a 2018 Honda Civic?
The used car prices for the 2018 Honda Civic typically range from RM60,000 to RM90,000, depending on factors like vehicle condition, mileage, trim level, and maintenance records. The 1.8L S trim is relatively more affordable, while the top-spec 1.5L Turbo RS is closer to the upper end of that range. It's advisable to check specific quotes through used car platforms or dealerships before buying, and also pay attention to inspecting for accident history or regular maintenance certificates. As a popular model, the Civic holds its value well and has a solid reliability record, especially the 1.5T turbo engine which strikes a good balance between power and fuel efficiency, making it suitable for daily driving. If you're on a tighter budget, you could consider competitors of similar age, but be sure to compare configurations and after-sales support. Additionally, if financing the purchase, it's recommended to compare interest rate plans from different banks to reduce long-term ownership costs.
LeafLeafNov 19, 2025
Q
What is the AC problem in the Honda Civic 2018?
The 2018 Honda Civic has air conditioning issues mainly centered around inconsistent cooling performance or reduced airflow, which are usually related to condenser leaks, low refrigerant levels, or compressor failures. Some owners have reported that the AC efficiency drops significantly in hot weather. If you encounter such problems, it's advisable to first check the refrigerant pressure and inspect the condenser for damage. Regularly replacing the cabin air filter in daily use can effectively maintain air circulation efficiency, while avoiding prolonged use of the recirculation mode to prevent overloading the system. It's important to note that the AC system performance of all vehicles will naturally degrade over time, so regular maintenance is key—like checking the refrigerant condition every two years and cleaning dust and debris from the condenser fins to improve heat dissipation. If you experience intermittent cooling failures, it might be due to a clogged expansion valve or poor electrical connections, which require diagnosis by a professional technician using pressure gauges. Additionally, using a sunshade when parking in summer to reduce interior heat buildup can significantly lower the load on the AC when starting up.
HelperHandSupportHelperHandSupportNov 19, 2025
Q
What engine is in a 2018 Civic?
The 2018 Honda Civic offers a range of engine options depending on the market. The most common is the 1.5-liter turbocharged four-cylinder (code-named L15B7), which features VTEC technology. It puts out around 174 horsepower and 220 Nm of peak torque, mated to either a CVT or a 6-speed manual transmission. It delivers a balanced performance with excellent fuel economy, making it perfect for daily driving. Additionally, some regions get a 2.0-liter naturally aspirated four-cylinder (code-named K20C2) with 158 horsepower and 187 Nm of torque. While it's a bit less powerful than the turbo version, it's simpler in structure and has lower maintenance costs. It's worth noting that the 2018 Civic Type R comes with a high-performance 2.0-liter turbo engine (code-named K20C1), though that's a special edition model. For most buyers, the 1.5T engine is the more mainstream pick. It provides plenty of torque at low revs, and Honda's Earth Dreams technology ensures good fuel efficiency, traits that help it stand out in its class.
BenBenNov 19, 2025
Q
How many miles can a 2018 Civic last?
The 2018 Honda Civic can typically last between 200,000 to 300,000 miles (about 320,000 to 480,000 kilometers) with regular maintenance and proper use. Its actual lifespan depends on factors like driving habits, maintenance frequency, and road conditions. The car's 1.5T turbocharged engine or 2.0L naturally aspirated engine are known for reliability, paired with either a CVT transmission or 6-speed manual, making the powertrain quite durable. Regularly changing key fluids like engine oil, transmission fluid, and brake fluid, along with timely inspections of tires, brake pads, and suspension components, can significantly extend the vehicle's life. It's worth noting that the Civic holds its value well and performs strong in the used car market, which is another indicator of its long-term dependability. If you frequently drive in congested cities or use it for short trips, consider shortening maintenance intervals to reduce carbon buildup and mechanical wear. Additionally, the hot and humid climate in Southeast Asia can affect rubber parts and electronic components, so regular checks on these items can help prevent potential issues. Overall, with proper care, this car is more than capable of accompanying you for over 10 years or even longer.
RexRexNov 19, 2025
Q
What is the gas mileage on a 2018 Honda Civic?
The fuel efficiency of the 2018 Honda Civic varies depending on the powertrain configuration. The version equipped with a 1.8-liter naturally aspirated engine has a combined fuel consumption of approximately 6.5 liters per 100 kilometers, while the 1.5-liter turbocharged model is more efficient, with a combined fuel consumption of around 5.8 liters per 100 kilometers. Actual fuel consumption may vary slightly based on driving habits, road conditions, and maintenance status. Thanks to the optimized pairing of the Earth Dreams technology engine and CVT transmission, this car strikes a good balance between fuel economy and power response, making it suitable for daily commuting and long-distance driving. To further improve fuel efficiency, it is recommended to regularly maintain the air filter and tires, avoid sudden acceleration or speeding, and keep an eye on whether tire pressure is at the recommended level. Among models in its class, the Civic's fuel efficiency is above average, balancing practicality and economy, making it a solid choice for consumers who value vehicle operating costs.
CiaCiaNov 19, 2025
Q
What is the trade-in value of a 2018 Honda Civic?
The used car valuation for a 2018 Honda Civic typically ranges from RM70,000 to RM90,000, with the exact price depending on factors like vehicle condition, mileage, trim level, and service history. The 1.8L S trim, being the base model, usually sits at the lower end, while the top-spec 1.5L Turbo RS can get close to the upper limit. There are a few key points to consider when valuing a used Civic. First is mileage – ideally around 15,000 km per year; anything over 20,000 km annually might impact the price. Second is service records – a complete dealer service history can boost residual value by about 5% to 8%. On the flip side, accident-damaged or flood-affected cars will take a huge hit, depreciating by 30% to 50%. It’s a good idea to get a free appraisal from an authorized Honda dealer before selling and also compare quotes from multiple used car dealers. With the recent increase in used car supply, there might be more room for negotiation. If you’re thinking about trading it in for a new car, some dealers offer trade-in bonuses that could be better than selling directly, but make sure to check if the new car discount and old car valuation balance out. Understanding these factors will help you get a fairer price in the transaction, and it’s also recommended to get a vehicle inspection report from a third-party service to build buyer confidence.
WalkerPathLeisureWalkerPathLeisureNov 19, 2025

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Pros

The appearance is appealing, blending elements of coupes and luxury sedans, with a sharp, sporty design
The interior is modern and feature-rich, offering comfort and convenient functionalities typical of midsize sedans
The pricing starts low, and the interior space is spacious
It has two types of energy-saving power systems, with flexible control

Cons

The interior does not have a futuristic feel like the eighth generation Civic
The rear seat space is average, and the head space is limited due to the roofline
The 1.8 liter petrol engine matched with the CVT gearbox is slightly lacking in driving pleasure
The horsepower of the basic engine can be increased, the standard infotainment touch screen is small, many technological features are exclusive to hybrid models

Latest Q&A

Q
What is the rpm of 180 hp motor?
The powerband of a 180-horsepower engine varies by model and intended design. Naturally aspirated engines typically hit peak power at 6,000-7,000 rpm, while turbocharged units like common 1.5T or 2.0T engines often deliver maximum punch between 5,000-6,000 rpm. Remember the horsepower equation "HP = Torque × RPM ÷ 5252"? That's why modern turbo engines feel punchier at lower revs while sipping less fuel - they're making the same power with fewer revolutions. Real talk though: you'll rarely need to wring it out to redline in daily driving. Most scenarios call for just 3,000-4,000 rpm for decent shove. Holding high revs constantly? That's just wearing out your engine faster. Brands tune these differently too - some prioritize low-end grunt for city crawling, while others build power up top for highway passing. Match your right foot's personality when choosing.
HappyLobsterHappyLobsterDec 24, 2025
Q
What is the rpm of a 10 hp motor?
The RPM of a 10-horsepower (hp) motor depends on its type and intended use. Typically, standard AC induction motors run between 1,450 and 2,900 RPM, while DC or variable-frequency motors may have a wider range—check the nameplate or technical manual for specifics. In automotive applications, like small generators or auxiliary systems, a 10-hp motor’s speed is often matched to the vehicle’s needs. For example, certain booster pumps or cooling fans might operate between 1,800 and 3,600 RPM. Keep in mind that horsepower (hp) and RPM aren’t directly linked. HP reflects power output, while RPM depends on factors like pole count and supply frequency (e.g., a 4-pole motor in a 50Hz region runs around 1,440 RPM). If you’re swapping or modifying a motor, always verify the torque curve and load requirements to avoid efficiency losses or damage. Also, in EVs or hybrids, motors often run at much higher speeds (8,000 RPM or more), though these systems usually rate power in kilowatts (kW)—just remember 1 hp ≈ 0.746 kW for conversion.
HappyDolphinHappyDolphinDec 24, 2025
Q
How to convert HP into RPM?
To convert horsepower (HP) to RPM, you need to understand their relationship—but there’s no direct conversion since HP measures power while RPM reflects crankshaft speed. Torque bridges the gap. The formula is: **HP = (Torque × RPM) / 5252** (with torque in lb-ft). Rearrange it to solve for RPM: **RPM = (HP × 5252) / Torque**. For example, an engine making 200 HP at 300 lb-ft of torque hits roughly 3500 RPM at that output. Keep in mind: - Engines have unique powerbands—peak HP and torque rarely align at the same RPM. - Turbocharging, aspiration, and transmission gearing all alter how power translates to wheel speed. - Real-world performance isn’t just about this math; check the dyno curve and drivetrain setup for the full picture.
HappyWalrusHappyWalrusDec 24, 2025
Q
What is the rpm of a 60 hp motor?
A 60-horsepower engine's RPM range depends entirely on its design and application. For small gasoline engines, you're typically looking at 6,000-8,000 RPM to hit 60 hp. Diesel mills, with their torque advantage, can achieve the same power at just 3,000-4,500 RPM - check the manufacturer's power curve for exact figures. Remember, horsepower doesn't scale linearly with RPM. Cylinder count, induction type (naturally aspirated vs. forced induction), and fuel delivery all play major roles. Take turbocharged engines - they'll deliver peak power at significantly lower revs. For daily driving, most cars operate most efficiently in the 2,000-3,000 RPM sweet spot where power and fuel economy balance out. Want specifics on your ride? Crack open the owner's manual or hook up an OBD scanner. Tuning enthusiasts can always flash the ECU to alter power delivery, but be warned - that warranty won't honor itself, and reliability might take a hit.
HappySealHappySealDec 24, 2025
Q
How many rpm is a 2 hp motor?
There’s no fixed direct relationship between a motor’s RPM and its horsepower (HP), as rotational speed depends on factors like motor design, load conditions, and power supply frequency. For example, a 2 HP AC motor under a 50Hz power standard (common in household or industrial use) typically has a synchronous speed of around 1500 RPM or 3000 RPM—determined by its pole count (4-pole or 2-pole)—though actual operating speed may drop slightly under load. For DC or brushless motors, the RPM range can vary more widely, so always check the specs for the specific model. Application also plays a role: a 2 HP motor for pumps or fans usually runs at moderate speeds, while power tools may prioritize higher RPMs. When selecting a motor, don’t just focus on power—consider torque, efficiency, and rated speed to match real-world needs. For precise figures, consult the manufacturer’s datasheet or a technical expert.
HappyOtterHappyOtterDec 24, 2025
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