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L4-1.8L Turbo

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Break smell
It sounds like one of your brake calipers might be sticking. This can be caused sometimes by a sudden hard stop. If the caliper pistons do not release, this can make the vehicle feel like you are driving it with...
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Won't move sound like a cat in a blender
I don't know what a cat in a blender sounds like, but I think I may know what it is that you are hearing. It's possible that you have had a CV joint fail, in which case the transmission and...
Question
Check engine light
The check engine light comes on when the Electronic Control Unit (ECU) detects a fault that may effect the car's emissions. There may or may not be a noticeable change in the car's performance. The oil pressure light is a...
Question
I have an oil leak coming from the passenger side of my 2003 Audi a4 quattro 1.8 . What would be the reason for the leak?
It could be as simple as a valve cover gasket, or as complicated as a turbocharger. Because of the way the engine is oriented in your car, there are several types of oil leaks that can end up on the...
Question
engine will not start.
Hi there. The noise could be either the starter not working properly making a loud noise or the ignition system is not working making the engine crank with no spark. Check all of the wiring to the starter and to...
Question
Dangerously pausing when trying to accelerate 2016 Volkswagon Jetta
Hi there - if you test-drove the same model (engine/transmission especially) before purchasing this car, is the performance the same or is this specific car slower? While VW is recovering from the diesel emissions (and performance) scandal, this did not...
Question
Engine Light comes on and car wont accelerate
What you are describing sounds like a dirty or faulty mass air flow sensor. The mass air flow sensor monitors air intake as it is mixed with fuel prior to being injected into the motor. This sensor relays vital information...
Question
Hello I have a 2004 VW Jetta I believe it's 1.8L Turbocharged and all of a sudden when I start it up and accelerate it makes a rea
Hi there. Although it's vital for a mechanic to complete a physical inspection to accurately pinpoint what's causing this "humming sound" and the gasoline smell, it sounds like you have developed an exhaust leak. In some cases, when the exhaust...
Question
Transmission
Of course you have to think about what could have gone wrong with the clutch job. The only thing I can imagine would be if an axle joint has come loose allowing the transmission to freewheel. That won't have anything...
Question
I need to figure out whether to replace the gasket to my turbo or if that is not the problem for excess air flow to my turbo.
If you see signs of exhaust leakage around the joint, the gasket definitely should be replaced. Check carefully for any vacuum hose or air fitting that might be damaged or leaking as well. But it sounds like you have multiple...
Question
where is clutch resevoir on 2000 vw passat turbo
Hi there. I am not convinced that the clutch reservoir is the reason why your pedal is faulty. It is more likely that the clutch pedal pivot bushing binding or the clutch master cylinder piston is binding in the bore...
Question
Car won't go into gear. 2002 Audi A4 Quattro
Hi there - Your symptoms describe the behavior to expect when your clutch hydraulics go out (clutch master and clutch slave cylinders). Check your clutch fluid level - it may be low. If the fluid level is low, this usually...
Question
How do you know if your secondary air injection system is bad?
Hi David, Generally when the secondary air pump goes bad, this will cause the motor to run rough due to the incorrect readings being generated by the oxygen sensors as well as overall lack of horsepower. This is all caused...
Question
Car does not move
Hi there. There are multiple components that could be damaged; causing your MB to not accelerate. Some of the possible issues include shifter linkage problems, shift sensors or internal transmission components that are damaged and require replacement or service. It's...
Question
Secondary air injection
Hi There, As you may know, the purpose of the secondary air injection system is to inject more air into the exhaust system at cold start to help light the catalyst material inside the catalytic converter quicker. The reason for...
Question
How much is the 2nd annual checkup for a 2016 a3 1.8L going to run I need oil change just hit the 15000 mile
Hi there. If you've worked with YourMechanic.com before, you should have an email address where you can contact the sales team directly to receive this price quote. It will be much easier for them to access your file this way....
Question
Loss in boost pressure.
Check the wastegate on the turbo and see if its causing the turbo to drop off the pressure. The tube from the turbo to the wastegate could be leaking and causing the pressure to be lost. If you need further...
Question
PCV hose broke, car stalled, replaced hose, car still stalling. Smell of gas (rich exhaust smell).
Hello. You do likely have a major boost leak or vacuum leak present. Volkswagen's are very sensitive to any type of vacuum leak. On Volkswagen's, even if the oil dipstick is is removed it will produce a vacuum leak cause...
Question
My car kicks up good but won't start
Hi There, This may be related to many different possibilities, some of which may be related to a lack of spark or possibly timing issues and some of which may be related to a fuel delivery problem or a combination...
Question
The car has a noise when starting and exhaust is fine it comes from the manifold, is the manifold gasket damaged need some replace
A leaking intake can make a kind of whistling noise. A helpful tool for locating an intake or exhaust leak is a piece of plastic hose. You can buy a mechanic's stethoscope and pull off the end, but you can...

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