Popular questions

Question
I need to pass smog test.
Hello. When a vehicle sits for this long there can be a number of issues keeping it from starting and running right. You do need to replace the battery, and you should replace all of the fluids before starting it...
Question
Convertible top not working.
Convertible tops have a few different motors and switches that must all work together or the top just won't work correctly, if it isn't working at all check for a mechanical blockage or maybe a failed fuse, if it isn't...
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What does the tachometer tell you?
The gauges in the center of your dash provide you with some pretty important information. The tachometer is designed to show you how fast your engine is turning, which is measured in revolutions per minute, or RPM. Note that this...
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Car quit and won't restart
The intake gasket on these engines are known to fail and you will get a large amount of unmetered air. A smoke test will reveal if the gaskets are leaking. If the intake gasket is leaking, the repair is extensive....
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Stuck in Park
The gear shifter is held in park as a safety feature. If the brake pedal isn't fully depressed, the lock will not disengage and allow the hear shifter to move. On most gear shifters there are small holes that lead...
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Dome lights will not turn on when door opened, radio will not turn off when car is off and door is opened.
Hello, thank you for writing in. The vehicle is likely having issues with the door switch which activates/shuts down both circuits. This is going to look like a peg in the door frame next to the hinge. The peg that...
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Will I pass my MOT if the dephaser pulley is failing renault megane vvt 1.6
Hello. If your vehicle's dephaser pulley is having issues, it may have a dramatic effect on the engine's emissions levels, which are a part of the MOT test. The MOT test looks at safety, roadworthiness, and exhaust emissions levels. ...
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i'm planning to buy a 2016 camaro LT 1 2.0 L with i-4 turbo engine. i did a test drive and its not making noise, Can i make my car
You can change the exhaust after the catalyst to a performance exhaust. This will give you more power and louder exhaust depending on the system you purchase. Some aftermarket sites will give you a soundbite of what the exhaust will...
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My truck runs rough and misfires on 1 and 7 I have put coil pack wires and plugs and fuel filter
Engine misfires can be caused by a list of problems, but there are a few suspects that occur more than others. The primary culprits are simple – spark or fuel – usually manifesting in spark plugs, plug wires, the coil(s)...
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Car squeals during the winter and transmission jerks
Hello. It sounds like it is possible that your transmission may be starting to fail. If your car is rolling when it is in park, it is not staying in the parking gear. This indicates that there may be an...
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I have a 1999 Honda Accord 4 door 180,000 miles no under the hood problems (transmission and engine) just had emissions and other
Hi there. It is very possible that your ignition lock cylinder is damaged; especially if the key gets stuck and the gear is hard to shift. Most ignition systems have a built-in safety device that does not allow the car...
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Car hard to steer after making noise
It sounds like you may have a bad water pump that caused the belt to come off. I would suggest having a technician come out and look at the car and inspect what caused the belt to come off and...
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Why has my car been making noise lately?
Hi there. From what you are describing, it sounds as if you might have a small exhaust leak, or perhaps a secondary belt (drive belt or power steering) that might be loose or beginning to wear out. Diagnosing a noise...
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Can you tell me how the tachcometer numbers correspond to how many miles one is driving? Thank you.
Hello. There are problems with trying to do this type of estimating of speed by a tachometer. The tachometer changes with gear and road speed. You could have someone cruise at certain speeds next to you or match speeds with...
Question
Car starts and idles but idle fluctuates but the car stays on. After bringing the rpms up to 4-5K the car dies on deceleration.
Since you are getting different codes and engine is stalling you may have a sensor issue along with ignition issues like a defective coil or compression problem in cylinder number 5. I would suggest getting a mechanic like one from...
Question
Immobiliser light flashing engine system failure and engine not starting.
Check the engine management control fuse (3amp) in the fuse box next to the battery. this fuse is only 3 amp and can easily burn out giving the symptoms you have. Also check the fuses in the fuse box below...
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What does the Forward Collision Alert Off message mean?
The Forward Collision Alert Off message can appear on your driver information center (DIC). The DIC displays this alert when the Forward Collision Alert (FCA) system is temporarily not working. When the FCA system is resolved, the alert will go...
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Reverse, courtesy, & license plate lights are out
Its very possible there is a ground issue as the only thing in common with all of these lights is ground G402.The ground wires meet up at a splice point prior to the ground point. To verify this, a voltage...
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engine codes related
Hey there. If the codes are cleared with a scanner, check to see if they return. Maybe the system was serviced or the battery ground is loose and causing the circuit to break which could cause a lack of communication...
Question
Part that protects the engine broke
This component is called the Engine Splash Shield or Engine Splash Guard. For your car, the Part # looks to be 2465201523. You can get in touch with a Mercedes Benz dealership so they can confirm this.