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L4-2.3L Turbo

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2007 Mazda CX-7 car turns off when shift to reverse or drive
Hi There, This may be a sign of a faulty MAP sensor as the vehicle responds adversely to a load put on the motor (i.e. putting it in gear, turning on AC or engaging the brakes). The Manifold Absolute Pressure...
Question
2005 9.5 turbo started blowing smoke out tail pipe and under front side of engine and leaking a lil oil it's a turbo not over heat
It sounds like you are having a crankcase ventilation problem. There is a series of baffles in the valve cover and a vent pipe that allow vapors and pressure to escape from the crankcase into the intake as they build...
Question
The car vibrates when engine running (idling).
Hi there. The engine and transmission mounts need to be replaced. The mounts keep the vehicle from vibrating when the engine is running and is most likely felt at idle. The shocks will no contribute to the vibration as the...
Question
rotors brake barley done a squally sound starts when I drive but when I brake it stops what could be wrong?
You should have the brakes rechecked to see if the brake sensor or the silencers are out of place and need to be adjusted.
Question
Q: Automatic transmission does not shift.
Your car has an electronically controlled transmission, so your problem could be mechanical, or it could be electronic. In most cases a technician can read the stored codes in the transmission controller to make that determination. It may have a...
Question
Hello, I have a 2006 mazdaspeed 6 with 100,000 miles and a "blown third piston" is it worth fixing?
It's too bad that it failed this early in the game, but I don't think there's any future in fixing it. Just remember that an engine is only one of many very expensive parts on a car and once you've...
Question
Slight humming nose coming from front end.
Hi there. Try stepping on the brakes and see if the noise goes away when driving. If the noise goes away, then the wheel bearings are worn and need replaced. If the noise is still present, then there is a...
Question
Does a turbocharger takes long to install
Hi there. The process of installing a new turbo can take quite some time - but only if your car has not had a turbo on it before. In many cases, when a car is taken to a 'mechanic shop',...
Question
Saab wont start, or crank, check engine light, "coolant sensor" is on
Starting with the coolant sensor. While the coolant sensor may be an issue, rarely if ever will a failed coolant sensor prevent the engine from cranking. It usually will just effect engine performance and economy. If the engine shut down...
Question
Changed battery car won't start
See if any diagnostic trouble codes were set via the OBD-II on board diagnostics. Prior to performing diagnostics be sure you have a fully, 100% charged battery. Confirm that the engine immobilizer system (security system) is not activated thus preventing...
Question
2005 saab 9-5 makes loud noise on the highway at 60-65 mph
Hello, thank you for writing in. The first step is identifying where the noises are coming from. We need to determine if it related to the tires and suspension, if it is an engine problem, or if it is transmission...
Question
Where is the purge valve located on a 2016 2.3 ecoboost mustang?
The purge valve is mounted on the top rear of the engine cylinder head.
Question
Is there a known fix for the mazdaspeed3 pcv problem?
For vehicles produced prior to 2008, Mazda published a Technical Service Bulletin (TSB) referring to a redesign to resolve the excess pressure issue. As far as the 2012 model though, I do not see a comparable published TSB dealing with...
Question
Popping noise from Engine when accelerating from 2000-3000rpm
Hi there. A popping sound like this is typically caused by an engine misfiring problem. It can be caused by ignition system problems, or fuel system issues. However, there are multiple components that could be causing this issue, so it's...
Question
2010 mazda cx7. Key fob won't lock doors. Also can not lock doors using the door switch. Worked earlier today
Normally, power is always available at the power door lock switch so the doors can be locked and unlocked, from the inside, at any time. If the power door lock switch in the vehicle does not work, the cause of...
Question
will 2003 Saab 93 convertible ecu shut off engine if low oil pressre, some articles say yes some say no.,
Your vehicle will not shut down automatically if oil pressure or the level of oil is low. The owner's manual states that the vehicle must be turned off manually (and quickly) if either circumstance occurs. Please note, the instant the...
Question
Turned on heater car started shaking turn it off and on it stopped shaking never did it again. Was snowing why did it do thst?
Hi Tony. Thanks for sending your question to us tonight. When you turn on a heater or AC unit, it causes additional drag on the engine. This can cause small issues like clogged fuel injectors or other components failures to...
Question
What would cause a spring kind of noise from the brake pedal of my 2017 Ford Mustang
Hello. Typically this is caused by the brake return spring of the brake pedal assembly. The spring itself will rub on the surrounding metal and cause this to occur. Most of the time the spring can be moved slightly or...
Question
2002 Mercedes C230 Kompressor engine won't start
Confirm that the engine immobilizer system (security system) is not activated thus preventing the car from starting. If the immobilizer system is on, you may see a security warning light. If the warning light is on, to temporarily override the...

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