Where is the cabin air filter located in the Baojun 730?

What is the actual fuel consumption of the CX4 2.0?

The fuel consumption of the Mazda CX4 2.0L model is 7.9 liters per 100 kilometers. Here is the relevant information: 1. Mazda CX4: The Mazda CX4 is a compact SUV under the Mazda brand. The wheelbase of this car is 2700mm, and its length, width, and height are 4637mm, 1855mm, and 1524mm respectively. The Mazda CX4 is equipped with two engines, one is a 2.0-liter naturally aspirated engine, and the other is a 2.5-liter naturally aspirated engine. 2. Notes: If the fuel consumption is abnormally high, you should promptly go to a repair shop for maintenance, checking the engine, cylinders, and pistons to identify the specific cause.

10

3

Share

What is Gear Grinding in a Transmission?

Gear grinding in a transmission essentially refers to the forceful collision between two metal gears. The outcome is quite obvious—it accelerates wear on the gear teeth crowns. Over time and with repeated occurrences, the originally right-angled gear teeth crowns become rounded. This results in incomplete engagement after shifting gears, making it prone to gear slippage with slight vibrations, ultimately necessitating a major transmission overhaul. Relevant details are as follows: 1. Cause: Gear grinding in a transmission is a phenomenon where operational errors lead to gear damage. For manual transmissions, it is generally required to fully depress the clutch before shifting gears. The clutch should only be released once the vehicle speed and engine RPM are synchronized, completing the gear shift. 2. Scenario: Often, gear grinding occurs when the clutch is not fully disengaged before shifting. This not only produces gear noise but also easily causes gear grinding. Additionally, if the transmission lubricant contains large impurities, such as long-term wear metal shavings, these particles can get caught between the gears during rotation, also leading to gear grinding.

18

4

Share

Can the Mazda CX-4 use 95 octane gasoline?

According to the official vehicle manual recommendation, the Mazda CX-4 should use 92 octane gasoline. In addition to checking the appropriate gasoline grade in the vehicle manual, the Mazda CX-4 can also check it on the fuel tank cap, which will also be marked. Usually, the gasoline grade can also be determined based on the engine's compression ratio. Vehicles with an engine compression ratio between 8.6-9.9 should choose 92 octane gasoline, while those with a compression ratio between 10.0-11.5 should choose 95 octane gasoline. However, with the use of some new technologies, the gasoline grade cannot be determined solely by the compression ratio. A high compression ratio can also be adjusted to use lower-grade gasoline because, in addition to the compression ratio, other factors such as ignition timing, turbocharging technology, and Atkinson cycle technology also play a role. Generally, the higher the gasoline grade, the higher the octane number and the better the anti-knock performance. 92 octane gasoline contains 92% isooctane and 8% n-heptane, while 95 octane gasoline contains 95% isooctane and 5% n-heptane. If the Mazda CX-4 occasionally uses the wrong gasoline grade, simply switch back to the correct grade after use. However, long-term use of the wrong gasoline grade may have the following effects: For vehicles recommended to use lower-grade gasoline, using higher-grade gasoline will not cause damage, but the increase in octane number will change the fuel's ignition point, leading to delayed combustion in the engine. This means the engine's power output and thermal efficiency will decrease, and the actual feedback experience is reduced power. For vehicles recommended to use higher-grade gasoline, using lower-grade gasoline may cause engine knocking. Because the octane number is too low, the fuel's ignition point decreases, causing it to ignite prematurely during the compression stroke. If combustion occurs before the spark plug ignites, resistance will appear during the upward stroke. This resistance will make the engine run very unstably. If it is mild knocking, it only increases noise and does not significantly damage the engine. However, if there is obvious knocking, it indicates severe engine conditions, affecting not only driving stability but also causing abnormal wear on pistons and cylinders, and in severe cases, cylinder scoring.

2

Share

How Often Should a Scooter Belt Be Replaced?

After 60,000 kilometers or 3 years of use, replacement is necessary if either of the following two conditions occurs. Here are the relevant details: 1. Belt Breakage: The timing belt is a consumable part, and once it breaks, the camshaft will not operate according to the timing, which can lead to severe damage due to valve and piston collision. 2. Excessive Belt Usage: The timing belt must be replaced according to the mileage or time specified by the manufacturer, especially after 60,000 kilometers or 3 years of use. Additional Information: Regular Inspection for Belt Replacement: The timing belt ensures accurate intake and exhaust timing through its connection to the crankshaft and a specific transmission ratio. As the timing belt is a rubber component with a limited lifespan, it is essential to inspect the engine timing belt periodically based on different car brands and models and determine whether replacement is needed based on the inspection results.

6

3

Share

Will points be deducted for not entering the left-turn waiting area?

No points will be deducted. The left-turn waiting area refers to an extended section of the left-turn lane marked with white dashed lines at the intersection. Vehicles needing to turn left can only enter this area when the straight-through signal is green, and must wait until the left-turn signal turns green to proceed, thereby improving intersection efficiency. Below are extended notes on "left-turn waiting" precautions: 1. Do not enter prematurely: When the straight-through lane in the same direction shows green while the left-turn lane shows red, entering the waiting area won't trigger photo enforcement or point deductions. However, premature entry will be treated as running a red light, resulting in a 200-yuan fine and 6-point penalty. 2. Stopping on crosswalks: Since pedestrian signals show red when vehicles enter the waiting area, pedestrians aren't permitted to cross. Therefore, vehicles may temporarily stop on crosswalks without obstructing pedestrians. 3. Quick intersection clearance: When the left-turn signal changes from green to red, vehicles already in the waiting area should complete their turns promptly. Lingering in the waiting area would disrupt traffic flow. 4. No lane-side parking: When left-turn traffic is heavy, some vehicles park beside rather than within the waiting area lanes. This constitutes illegal lane usage, obstructing other vehicles and incurring penalties. 5. Entering median-side lanes: At intersections permitting U-turns from left-turn waiting areas, vehicles preparing to U-turn should enter the innermost lane near the central divider in advance, executing the maneuver only when permitted by U-turn or left-turn signals.

6

3

Share

What Causes the Honda Vezel's One-Button Start to Fail Ignition?

Here are the reasons why the Honda Vezel's one-button start may fail to ignite the engine: 1. Battery depletion: The characteristic symptoms are the starter motor beginning to turn but with insufficient speed or power, or the starter motor only making noise without turning. Low temperatures in winter and forgetting to turn off certain electrical devices can prevent the vehicle from starting, especially during winter when frequently used for short, low-speed trips, causing the battery voltage to drop below the rated value, making starting and normal operation impossible. 2. Fuel flow obstruction: Avoid waiting until the fuel is nearly empty to refuel. The characteristic symptom is the absence of fuel pressure in the engine's fuel supply line. 3. Poor ignition system performance: The characteristic symptom is particularly poor fuel atomization in the cylinders due to low intake air temperatures during very cold weather.

19

0

Share

Where is the cabin air filter located in the Baojun 730?

What is the actual fuel consumption of the CX4 2.0?

What is Gear Grinding in a Transmission?

Can the Mazda CX-4 use 95 octane gasoline?

How Often Should a Scooter Belt Be Replaced?

Will points be deducted for not entering the left-turn waiting area?

What Causes the Honda Vezel's One-Button Start to Fail Ignition?

Does the Nissan Terra have a 7-seater option?

What does the exclamation mark on a Mercedes-Benz mean?

How to Solve Excessive DPF Carbon Loading?

Will the Wuling Mini Fuel Version Be Released?