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L4-1.9L Turbo

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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
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
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
Car vibrates on release of clutch
You are probably experiencing what we call "clutch chatter" It commonly occurs because of oil on the clutch lining. But it can also be simply a result of wear and tear forming hot spots on the pressure plate and flywheel....
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
Do I have a blown fuse that would cause the engine not the crank?
Hi there. If you removed a fuse and tried to crank the engine over without it, it's possible that it may have damaged an electrical relay to the starter or perhaps blown a fuse to the starter relay. It's also...
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
Q: 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....
Question
steering vibrates at above 100km/hr
Best case scenario: you just need your front tires re-balanced. Your tire store can do that job for you. If the tires are worn unevenly, then they may have to be replaced and the front-end re-aligned. If you do these...
Question
Temperature rise
Hi There, If you drive for a period of time without coolant in the vehicle, this could have potentially caused damage to the motor resulting in a damaged cylinder head gasket which may cause the car to overheat intermittently, however...
Question
I need to replace my turbocharger boost sensor.
You have two charge pressure sensors and are labeled sensor 1 located near left rear of motor and has a violet, brown and blue wires going to it. The second sensor is also on left rear of motor and has...
Question
Engine shaking and slipping when going uphill with check-engine light blinking
Hi there. When you have a blinking engine light coming on sporadically like you've indicated and and you're experience symptoms exist, it's is likely that an error code has been triggered in the ECU of your Volvo that will pinpoint...
Question
getting major sputtering/jerking when accelerating or sometimes aftet a slowdown to 1500-2000 rpms. Is bank 1 sensor 2 fr or rear
Hi there. In general, when a vehicle sputters and is hard to accelerate, it is due to either a fuel or ignition system component failure. Although the O2 sensors are installed withing the exhaust system, they impact the fuel delivery...
Question
When nearing low fuel, car will lose acceleration power, wheel will lock as well. Battery & Shift icon come on, has a few CEL's on
Hello, thank you for writing in. There is one major issue that is likely causing everything else you are experiencing. This is your fuel system. You need to start by checking and/or replacing your fuel pump. When it gets low,...
Question
Hi i have knocking sound in my vvt solenoid in my Volvo S40 model 2000 and I changed the vvt solenoid with new one but I still ha
It is possible that the noise is just a normal function of the solenoid. It is also possible that the new solenoid you have is also a faulty part. If you have a warranty you could try replacing it under...
Question
Sway arm broken
Technically, as long as the sway bar doesn't come into contact with other moving parts, or rub on other critical components, you should still be able to operate the vehicle. You will need to understand that the handling will definitely...

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