Popular questions

Question
Transmission failsafe program comes on dash 2001 BMW X5
Hi there - the first task is to have the transmission fluid level checked. This will require technical assistance and a lift, since there is no dipstick on this model, and the fluid level "port" is underneath. Correct fluid temperature...
Question
My car shakes and jerks back when I accelerate. When stopped at a light vibration through steering wheel it is an Audi A4
Hi there. When you are getting an engine vibration as you described and you have a gas cap warning light issue, then it is likely that you have an issue with an EVAP canister or the purge solenoid. The canister...
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My car won't rev or accelerate
Hello there. If you press down on your accelerator pedal and the engine will not rev at all, this is typically the indication of a damaged throttle linkage or throttle body component. On an older Mercedes-Benz, the throttle is not...
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Heater does not work
Your vehicle's blower speed selector controls voltage to the blower motor using two different circuits. When high speed is selected the blower control switch bypasses the resistor and operates the blower relay sending full battery voltage from the blower fuse...
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I have a clunking and popping noise when turning
This is a common sign of a failing CV joint. A CV (Constant Velocity) joint is a shaft that connects the transmission to the wheels, essentially transferring the power from the drive train directly to the wheels. The CV joint...
Question
i was trying to remove my grill today and removed all the screws and bolts but there are these plastic tabs and i don't know how m
Hello, thanks for writing in about your 2002 Mitsubishi Lancer. If you are trying to remove the grill, it is attached to the front bumper. You cannot remove the tabs without breaking them. You have to remove the entire bumper...
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2015 nissan versa note lights on
Hi there. The best way to determine what is causing these lights to illuminate on your dashboard is to have a professional mobile mechanic come to your location and complete a check engine light inspection. When your lights illuminate, it...
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unable to consistently shift gear from park to drive
Hi there. This is commonly due to the brake light switch failing. The shifter locks itself in park until the brake is applied. If the circuit does not detect you applying the brake then it locks in park. Most of...
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Automatic 2009 v6 mustang idling roughly and/or stalling after new duralast maf sensor install
Occasionally, on a part of this type there are meaningful differences between aftermarket and OEM. Therefore, to simplify the diagnostics, the OEM MAF sensor (as vended by a Ford dealer) could be installed. Once you have an original equipment, genuine...
Question
Car won't start - 2005 Chevrolet Aveo
Hello - it is normal for all system lights to illuminate when the vehicle is first powered on as a "systems check". The failure to start after that indicates another problem: low battery condition, security problem (with the key), car...
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Three of my Civic's power windows fail to operate simultaneously. are they having the same power switch problem?
Hello, thank you for writing in. At first it sounds as if the "child locks" have been turned on, make sure this is not the case. The power for the windows comes from the main and under dash fuse boxes,...
Question
Can you put a drive shaft on crooked
The drive shafts that connect the transmission to the wheels are called half shafts or propeller shafts and in most cases are not able to be put in crooked. They are either put on using fitted flanges or straight shafts....
Question
Rear passenger side wheel completely locked up.
It is possible that the parking brake cable has seized, due to rust, at that wheel position. That would be relatively easy to determine based on a visual inspection. If you desire that this problem be diagnosed by a certified...
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axle issue
The noise you get when you try to put it in park is the parking pawl trying to engage while the transmission is turning. It's clear that either the axle has failed, or it has become disconnected somehow. It could...
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ABS pump bad soft pedal - 2008 Ford Fusion
Hello - Yes, a replacement ABS pump must have the same part number as the pump it is replacing. These units are specific to your vehicle (make/model/production group), and have to match for the software that drives them to operate...
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Missing/Broken ECU - 1989 BMW 325i
If your ECM is failing or has failed, it shouldn't be extremely difficult to find a good shop to rebuild or replace them. There are a number of electronic rebuilders who rebuild ECMs (w/warranty). Also, there are a number of...
Question
Unknown part
There should not be any inline relay on the battery cable. This may be some sort of aftermarket theft system installed and should be removed. I would recommend having a mechanic like one from YourMechanic verify the relay is aftermarket...
Question
Smoking comes from exhaust under hood.
If you used any sprays while working on the spark plugs the smoke may be from the product heating up and burning off of the exhaust manifolds. Exhaust manifold gaskets will also smoke for some time when newly installed on...
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Why has my gas and oil level been going down a lot quicker than before? 2006 Toyota Camry
Hi there - the cause of your poor fuel mileage could be a leaking fuel injector, or your engine is running too rich (failed coolant temp sensor?). Excess fuel going into the engine both reduces your fuel mileage, but can...
Question
Hi i have a 2009 dodge journey and it drives great but if you get over 70mph it starts pulsating. What could that be?
Hello, thank you for writing in. 85% of the time, when you have issues driving at high speeds, specially when you can feel them and hear them, you have an issue with your tires. The best place to start is...
Question
when i turn key it starts then when i let off it cuts off
This is most commonly the ignition switch electrical. It is an important distinction to make. There is the "electrical ignition switch" and the "ignition lock cylinder" that the key inserts. It is very common for Honda's to exhibit this symptom....
Question
Brake lines
Hi There, If I am understanding your question correctly, it sounds like you have used a slightly smaller brake line (inside diameter) on your truck than the original brake line resulting in a bit more constrictive brake fluid flow. As...
Question
Car won't start and doesn't have normal power
Thanks for writing in today about the issue with your Saturn. Without being there to physically inspect the car, it's very hard to give you a precise diagnosis, but one common problem that occurs when people install accessory items like...
Question
I have a 2007 Audi RS4; it usually refuses to start.
If you can hear the relay clicking, then you may have an issue with the starter. Starters often become tempermental before they fail altogether, so the trick is to diagnose it while it is in failure. If you can access...