Popular questions

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Nissan sylphy starting and dying down soon after
Hi There, Black smoke coming from the exhaust is usually an indication of a rich fuel condition. When this happens, this can be the result of many things such as faulty fuel injectors, a failing mass air flow sensor or...
Question
I put on a CAI...and 2 days later my check engine light came on..and it was bank 2 po174
Hi there. One minor, yet highly important detail that most aftermarket part manufacturers fail to tell customers is that the installation of their components will impact the operation of the sensor that monitor systems on OEM vehicles; like your BMW....
Question
Gear shift lever sticking in park
You have a shift lock problem with your car. Most of the time, this is caused by the shift interlock solenoid is failing, but I have also seen the shifter assembly break internally and cause it to bind. I typically...
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Need car checked out before replacing transmission.
If the transmission is slipping you may simply have a low fluid level. I would recommend checking the fluid level as the first step. If the fluid level is low have the system topped off and see if anything changes....
Question
Cylinder 1 misfire. Leads plugs and coils all changed. Is it the ECU or are there other possibilities?
Hello, thanks for writing in. If you have a misfire on that cylinder with a new plug and coil then you either have an injector issue or an internal engine problem. Most of the time the problem is internal due...
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Getting 2 then 4 abs codes, brake shutters, speedo dies and engine slowes when Brake and absolutely lights come on,
You definitely want to start by inspecting the front and rear wheel speed sensors; a failure in these circuits will result in several other problems. Begin by connecting a scanner to see if the Powertrain Control Module (PCM) is registering...
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Car jerking when stopped or when trying to change gears
I would classify this as rough operation/loss of power. To find the exact cause will require an on-site inspection and that inspection can be performed on a mobile basis right at your location. Rough operation could be due to a...
Question
What does the ignition timing control system do?
The ignition timing control system is an important part of the network of emissions control systems on your car. Really, it does exactly what the name implies – it manages the timing of the engine to help reduce the production...
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i have a 2005 gmc c5500 the heater motor comes on for 20 sec when first start truck then nothing
Hello - I suspect this may be a problem with the fan motor resistor pack. If the fan control is put in the "Max" or "High" speed position, does the fan continue to run? Does the fan only run for...
Question
My elctronic power steering stops working when im driving
If a rusted fuse were causing an intermittent connection, of course that might explain the periodic steering interruption. Simply replacing the fuse though won't be sufficient. The contacts in the fuse holder will have to be carefully cleaned of all...
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While driving, the gears downshift and the car will not go into reverse.
Hello, thanks for writing in. Your description suggests that the transmission linkage is not correctly aligned, or is not staying in a correctly aligned position, from the steering column to the transmission itself. This is all external to the transmission...
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Battery issue? 2009 Nissan Rouge slow to start. Will a stronger battery help?
Hello, it is very likely that you simply need a new battery but there are also other possibilities such as a bad alternator or starter that could display the same symptoms of a slow start:; therefore it may be best...
Question
Can a misfire cause engine not to start?
Hi there. This sounds like it could be an internal mechanical failure. Were there any other symptoms that started prior to the no start? How long has the check engine light been on with misfire codes stored? That white smoke...
Question
Pipe broke under car
By the description you have provided, my first guess would be that you have an exhaust leak. The most common failure is the exhaust flange gasket. You can visually inspect your exhaust pipe and look for obvious leaks from broken...
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Vehicle squeaks from back left when accelerating or when hitting a hard enough bump. Dodge charger 2016 50k miles
Hi Gridpa1. Thanks for submitting your question tonight. There are several things that could be causing this type of noise. Most common is that a rear stabilizer bar bushing is starting to wear, but with only 50,000 miles on a...
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My car is making a knocking noise - 1986 Oldsmobile Delta 88
The first concern is your oil system. Do you have full and clean oil in the vehicle? If the fluid is low, or there is an oil leak, the vehicle will have low oil pressure at idle. When the engine...
Question
Car not starting after sitting
The ignition switch is very common to be the failure for these conditions. I recommend seeking a certified technician, like one from YourMechanic, to come and test your vehicle for you. They will be able to verify the need to...
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Car switched off but did not start when I tried to restart
Hello. First of all, rotating the engine counterclockwise could very well cause the engine to "jump time", and cause engine damage. The timing chain tensioner is not designed for this pressure, and can allow the timing chain to jump one...
Question
Replaced power steering pump and still have a hard steering.
Hi there. There is a PML valve that is on the rack and pinion steering on your vehicle. Check to see if the valve is working. The PML valve is is the speed sensitive steering valve for the steering system....
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When i start my car it makes a knocking noise
Based on your description, I would recommend checking your oil level to ensure that it is full. The noises you are hearing can often occur due to a low engine oil level. This could be because of a leak or...
Question
2001 Ford expedition is stuck in 3rd and gear shifter moving freely
You may have a broken or disconnected shift cable at bottom of steering column or at transmission. Look under dash at bottom of steering column to see if shift cable are came loose from bottom of column. The screws that...
Question
Motor missing while accelerating
In older vehicles, misfires during acceleration or under load are usually due to faulty spark plug wires. Other things like carburetor not adjusted properly, or weak valve springs can also cause misfires during acceleration. I would suggest seeking help form...
Question
Weird low sqeeking noise when braking and turning the steering wheel
You should have your suspension and brakes rechecked to see if noise is coming from brakes or the suspension and then a diagnosis can be made. You may have noisey brakes or sway bar links.