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L4-2.0L Turbo

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Epc light on a 2009 audi a4 quattro centre brake light warning also wont start
Missing or malfunctioning lights will not prevent the car from starting. If the brake light switch is faulty that might prevent shifting out of Park once the car is running as the switch is part of the safety interlock to...
Question
I have a 2009 audi a4 2.0. Check engine light and epc light came on wont start
The warning lights means that trouble codes have been stored. Your best entree to resolving this is to download those codes although a diagnostic has to be performed insofar as the systems/components referred to in the codes. That is, the...
Question
Weird Noise from Transmission
You did not mention if you have a manual or automatic transmission. The shift lock will make a click when pressing on brake and may be louder than normal and need to be replaced.
Question
If my check engine light comes on, does it limit my cars power. My codes says it’s my fuel pressure regulator
There are hundreds of individual OBD-II trouble codes any one of which can cause illumination of the check engine light. The vast majority of the codes do not reflect, or refer to, conditions that cause marked loss of vehicle power....
Question
I had struts replaced and was told they are bad. What could cause that?
Strut service life, in miles, is somewhat variable due to differences in product quality, vehicle operating conditions, and so forth. However, if a strut fails prior to 50,000 miles of service, the causes are typically: 1) product/design/manufacturing defect; 2) extreme...
Question
can you tell me how to do it in a 2018 90-series Volvo?
Hi Dan. Thanks for the question. Unfortunately, this is a built-in safety feature that can't be removed by a mechanic. You'll have to consult with Volvo to see if this is something they would be willing to attempt, as it's...
Question
ABS light, traction control light and handbrake light blink at the same time and the car jerks
It is not clear from your description if the noise you are hearing is primarily engine versus chassis (suspension, etc.) related. The origin of the noise can be pinpointed though if you request a vehicle noise diagnostic. That the ABS...
Question
Ambulance noise whine sound when I drive
It is possible that you could be having an issue with your turbo. I would recommend having your engine inspected by a qualified professional to determine the exact cause of this issue. Sometimes turboscan wine even louder than normal when...
Question
Took my car to the only VW dealership in my town to get inspected. Was told to come pick my car back up as they did not have time
The N80 valve is a "purge valve" located on top of the engine. It is a very simple component in the EVAP system and indeed you can easily replace it yourself. The only way to ensure that the N80 valve...
Question
I am currently looking at a 2015 Audi A4 is there any way someone could come inspect it before I buy.
Inspection service is available in Hillside, NJ. To request an inspection, please schedule via YourMechanic's pre-purchase vehicle inspection service page. An inspection of the specific vehicle you want to purchase, carried out by a certified Mechanic, dispatched to your location,...
Question
2009 VW CC won't crank, lights all work do not dim, windows ok, battery is good. No clicking sound. Horn does not beep when locked
The most likely cause of this issue would be the starter motor. Oftentimes the starter motor can fail I'm not cause a clicking sound when the vehicle is being attempted to start. I would recommend having a car will not...
Question
why is my car only misfiring when I accelerate, what can be the problem?
The problem may be a fuel delivery problem like clogged injectors. Have the fuel pressure checked and filter replaced and see if this helps? Replace the plugs and wires as needed.
Question
I can hear the motor for my windshield wipers when i turn them on but they only move about an inch then completely stop
It could be that the wiper arms are loose on the shaft. It happens a lot if you have turned on your wipers when there is ice or snow on the windshield. If you grab a wiper and can move...
Question
my car wont let me go past 70 mph and jerks if i try to
You could have a restriction in the fuel supply system but there are other possibilities such as faulty sensor readings on air intake. Among common possibilities for loss of power are throttle body faults (electronic throttle controls, mass airflow sensor,...
Question
i am buying a catless downpipe for my cadillac ats 2.o t awd. will this set off any check engine lights
If you remove the catalytic converter, the check engine light will turn on and it will turn on even if you retain the downstream oxygen sensor that is on your car. Under almost all circumstances, Federal EPA requirements do not...
Question
Low rpms at idle and vibration, car running sluggish
Hi there. Thanks for contacting us today. The problem with trying to diagnose that is inconsistent like you've described is that it's incredibly difficult because, in all honesty, nothing is likely "broken". It's more than possible that a few components...
Question
Car won’t start
Be sure the immobilizer (security system) is not active, thus preventing the car from starting. To temporarily override the immobilizer, see these instructions. If the spark occurred due to a short circuit, a fuse or fusible link in the ignition...
Question
VW 2007 GTI code c342d
It sounds like the check engine light may be eliminated on your vehicle. I would recommend having your vehicle inspected by a qualified professional to determine the exact cause of the check engine light. Consider YourMechanic as inspection such as...
Question
2013 ford edge limited "service advancetrac light comes on
It is possible that you could be having an issue with your transmission. I would recommend having your transmission inspected by a qualified transmission specialist to determine if any internal damage exists.
Question
My mercedes c300 says collision prevention assist plus inoperative
The warning light means there is an electrical malfunction in the collision avoidance system and that could involve sensors, wiring, the control computer and so forth. Anybody who fixes it (whether you, a Mechanic, etc.) has to have in hand...

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