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L4-1.9L Turbo

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Question
Oil leak near turbo
Hi there. Turbocharger seals are a common failure item as they do a tremendous amount of work and endure a lot of heat. The turbocharger also has oil lines running to and from the component that may have experienced the...
Question
Car starts hard and occasionally stalls out. Smells like gas when running.
Hello. If you have poor connections at the ignition coils then that will cause cylinder misfires. These loose connections can also shorten the life of the ignition coils. The connectors need to be replaced in order to ensure that there...
Question
Hazard lights don't work
Hi, thanks for writing in. The hazard warning lights and turn signal lights utilize the same flasher unit, but with different wiring connections. It appears the hazard warning portion of the flasher unit (internals) has failed. I would recommend a...
Question
The car keeps cutting off, i brought idle air contol, mass air flow, and map sensor. What could be wrong
There are many faults that can cause a vehicle to stall. A faulty engine speed sensor or weak fuel pump just to start. If the Check Engine Light is on, the vehicle can be scanned for fault codes. The fault...
Question
Check Engine light comes on and goes off
If the speedometer is not working but the rest of the instrument cluster is, the issue is probably the vehicle speed sensor. This sensor is the main input to the control module for speedometer control. The problem could also be...
Question
Car not turning left or right
This is most likely a problem with the electronic steering lock. When you insert the key into the ignition slot the steering wheel should unlock, via an electric motor in the steering column. If this motor malfunctions, the wheel will...
Question
Engine racing too high
The coolant reservoir will need to be checked to see if it is leaking or if the engine has an overheating problem. The high idle may be due to a vacuum leak at a hose or a faulty throttle body...
Question
Car dies after fuel filter replacement
You will first need to check to see if the fuel filter is not defective and installed correctly and not backwards. If the filter checks out okay then you may be having another issue that is causing the engine to...
Question
Smoke from exhaust still after new PCV and turbo
Hi there, thanks for writing in. I am sure that you have driven your car far enough (since repairs) to rule out residual oil in the exhaust system. The P0015 "cam retard" code may be a cam sensor, oil control...
Question
I think my ignition switch is gone.
Hello. From what you describe it would appear that your vehicle is experiencing more than one issue. If your key won't turn then it may be possible that the ignition lock cylinder or switch are bad and need to be...
Question
02 Volvo s40 turbo. Engine was knocking then died. Now it spins really fast won't start
This sounds much like a potentially blown head gasket. I would recommend performing a compression leak down test if you have the proper tools. All cylinders should read at least 180-215 psi. The knocking may have been related to anything...
Question
Struggles to start, interior blowers turn on by them selves and central locking issues
Hello. From what you describe it would appear that your vehicle is experiencing a few different issues. Intermittent hard starting can be caused by many things. If nothing is happening when you turn the key, then it is possible that...
Question
time belt
Unfortunately it is impossible to even guess how far or long you can drive the vehicle for. If it is the timing belt itself making noise, then odds are it is because it has stretched and/or frayed considerably. If that's...
Question
Battery Light
Hi there: In most cases when the battery light comes on, it's an indicator that the alternator is faulty or starting to show signs of wearing out. If this occurs only when the RPM is revved high, it might be...
Question
How many miles more will my 2003 Volvo S40 sedan last for?
Hello there, how long your 2003 Volvo S40 lasts is determined by many different variables. If the vehicle is maintained properly it will last much longer than a vehicle that is not maintained. It is impossible to predict how many...
Question
How far can you drive your car if you need a catalytic converter
Hi there. It's very common for a bad or failing catalytic converter to cause multiple engine performance issues ranging from sluggish performance to potentially damaging seals and other internal engine components. It's very difficult to tell you exactly how...
Question
A scanner found the code P02B4, what does it mean?
That is an interesting code since your engine only has 4 cylinders. It is possible that the vehicle has the wrong information stored in the computer and is throwing a code for a V-8 engine. I recommend having your computer...
Question
When coming to a stop i get a jerk on the drivers side.
If the jerking reaction is something related to pressing the brake pedal, this may suggest a faulty brake caliper. If your vehicle pulls to one side when you apply the brakes it typically means that you have a braking imbalance...
Question
Engine idle fluctuates
You may have a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at idle. Since...
Question
My 2001 Volvo s40 males a loud thud every time I put it in drive. What could it mean?
The CV axle joints should be inspected for wear and/or damage. Putting the transmission into drive suddenly loads the joints and if there is looseness in those joints, as the play is suddenly taken up you can hear a thud....

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