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L4-1.8L Turbo

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P0741 OBD code
Hello, thanks for writing in about your Volkswagen Passat. Trouble code P0741 indicates: Torque Converter Clutch Circuit Performance or Stuck Off. If you need help with getting this fixed, consider YourMechanic, as one of our mobile technicians can come to...
It cranks will not start
Hi there. If this started right after these parts were replaced then it may be a defective crank sensor, but I would definitely look at the work that was done to replace the heater core. It is possible that something...
Squeaking in cabin
Good question. I believe you have a ground issue within your speakers or radio. In my experience, even if the radio isn't playing you may get a high pitch noise in the cab of your vehicle. If you have an...
I did replace the heater core and two sensor the crank sensor and camshaft sensor it didn't work can it be the computer
Hi there. In order to know if the computer is functioning properly and is receiving the proper inputs to start the vehicle the computer needs to be scanned for codes and the sensor signals checked. If it is receiving a...
Shakes at 60+
Bad inner constant-velocity (C/V) joints can give you vibrations while accelerating. When they are worn, they can vibrate under load (accelerating). Tire balancing could cause vibration while accelerating, maintaining speed, and coasting, and is less likely to be the issue....
Oil dripping - 2003 Volkswagen Passat
First, I would take another good hard look at the valve cover gasket. Particularly around the plug at the back end of the camshaft. This is a very tricky gasket to install and even professionals have to have another go...
My car gauge goes to regular temperature, there's coolant in the system, but the heater doesn't blow out hot air?
Hey there. I would check the fuse for the heater control valves first. These are solenoid-operated valves which allow or shut off hot water to the heater core. If they are not opening, there is no hot water in the...
The ignition coil problem
Your vehicle's engine is equipped with 4 ignition coils, one for each cylinder. Unfortunately, these ignition coils are a common failure point with the VW 1.8L engine. There is always a chance that when one fails, another one may fail...
P0301 and P0411 codes on vw Passat 2003 1.8lt turbo
Fault code P0301 is a misfire on cylinder # 1 and P0411 is a fault for Incorrect Secondary Air Injection. Trouble code P0301 is most likely due to a faulty ignition coil. To verify before purchasing one, try swapping say...
My battery died and my hood wouldnt open
If the hood will not open it is possible that the cable is broken that the lever is connected to. If this is the case, the trim around the hood lever would need to be removed and you would have...
Hello, my car has no spark, no controlled ground for the fuel pump, and no injector pulse. Fuse link close to the battery and relays are good.
Hello and thank you for contacting YourMechanic. The ECU is under your passenger's side seat. You can gain access to it by simply sliding the seat all the way forward and removing the plastic cover from the ECU. You can...
Car turns off while driving normally on the highway
Hello there. You have a few different problems going on with your 2006 Volkswagen Golf. The injector open circuit code indicates that that the fuel injectors are not receiving the power they need to function. The camshaft code could be...
Car will not start
Hello, thanks for writing in. If the crankshaft position is off then that can keep it from starting. Prior to doing anything else I would do a compression test. If there is low compression then the valve timing is off....
All gear lights on, has a lot of trouble accelerating
Have the transmisison control module scanned for fault codes. There may still be something else causing some of your issues like a broken wire somewhere may a faulted module itself. Consider hiring an experienced technician like one from YourMechanic to...
What are the signs that my fuel filter or fuel pump has failed?
Hi, thanks for writing in. Common symptoms of a malfunctioning fuel pump include sputtering at high speeds, loss of power during acceleration, loss of power to the vehicle while under stress, surging, and an engine that will not start. Common...
I started my car today and realized that the wipers, signals, lower driving lights and heater blower had all stopped working.
Hello and thanks for your question. there could be a blown fuse for the ignition switch or relay. Plus, look under the hood for any rats or field mice nests. Field mice like to chew through wires causing all kinds...
Not able to reverse.
Hi there, There are a few ways this can happen and one instance may be the connection between the shifter handle and transmission being loose or damaged. Consider having the vehicle checked over by a professional from YourMechanic to determine...
Warning signs of a bad fuel pump. Like sputtering when idle. Bad fuel efficiency. Shaking when at higher speeds. Less acceleration
This may be related to many different things such as: a bad fuel pump, dirty fuel injectors, a clogged catalytic converter, a faulty O2 sensor, or a bad mass air flow sensor. Unfortunately, there are many possibilities that can cause...
When I come to a stop it almost dies
There are several issues that could cause your A4 to nearly stall as you slow down. Most of the time, it's caused by an idle control valve that is damaged or dirty; however, vacuum leaks could also cause rough idle...
volkswagon is buying back my diesel and am thinking of buying an audi A 3 but nervous about cost to own. why is the oil change so
The A3 oil change is a bit more expensive because it has a turbo-charged engine. The turbocharger utilizes exhaust gas energy to drive a compressor for intake air for the engine, and experiences very high temperatures. This requires the use...

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