Popular questions

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Advice on working as a mechanic
I'm kind of unique because I learned from my grandfather, who was a mechanic at the corner of Texaco gas station in New York when I was a kid. So I learned hands-on from my grandfather. He wouldn't teach me...
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Windshield washer pump not working.
When you operate your sprayers if you hear a quiet buzzing sound then the pump is still working. If there is no sound the pump is at fault. If a leak exists in your washer fluid system all the fluid...
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Car screeching when starting
Sounds like your are having problems with your drive belt/s. The screeching sound comes from the belt slipping on one of the pulleys it is riding on. If it is slipping and you give it more throttle, it's just going...
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Blue smoke from tailpipe
Bluish tinted smoke from the exhaust means that there is an internal oil leak into the combustion chambers from the valve guides, valve stem oil seals and/or the piston rings. Cylinder compression can be tested to get an indication of...
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Truck acts like it is not getting gas
We need to find out if you have sufficient fuel pressure. You should see the fuel spraying out when you're trying to start the car. If it is barely coming out, then you probably don't have enough fuel pressure; you...
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Door won't unlock with key
It sounds like you all keys for the vehicle had been lost and only the ignition key cylinder was replaced. If your keys do not work for the doors then you will need to have the [door lock cylinder replaced](https://www.yourmechanic.com/services/ignition-lock-cylinder-replacement...
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The vehicle is experiencing a lack off power.
Your throttle position sensor is a possibility if there is a spot along the sensor that is damaged. The vehicle data can be watched with a professional scan tool. As you sweep the throttle, you should see the voltage change...
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There is green fluid that came pouring out from the bottom of my car up by the driver side tire. I have 2009 nissan Maxima.
Green fluid in most cases is going to be coolant. If the car is running you will usually notice some sharp smelling steam as well. Best to stop driving the car until you can locate and repair the leak. The...
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No acceleration when I press the gas
If the engine just revs up after you put it into gear, I would suspect a transmission problem. But if you don't have any control over engine speed it's likely a linkage malfunction between the pedal and throttle body, or...
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What's the difference between fully synthetic and semi synthetic oils
The oils that go in your engine can be fully synthetic and synthetic blend or standard oils. The standard oil is the least expensive oil and the fully synthetic is the most expensive. You are better off running fully synthetic...
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Scan vehicle Code P0430 Cataylic system efficiency below threshold bank 2
The code is meant to indicate your catalytic converter is not performing up to par with the EPA (environmental protection agency) standards. Your car uses the oxygen sensors to monitor the catalytic converter (cat) efficiency. There is an O2 sensor...
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Steering wheel squeaks, horn won't work & airbag light on
Hi there, thanks for writing in about your 2001 Chrysler LHS. The clock spring in the steering column is used to pass the wires from every steering wheel component and air bag on the steering wheel. The clock spring is...
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2008 lexus gx470: car bouncing even after $3500 shocks were replaced on front and back
If the ride height is within spec, that is the coil springs are not weak, the only cause of the vehicle failing to settle immediately (i.e., bouncing) after encountering road irregularities is defective shocks or defective strut assemblies with built...
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PCV Valve
Too much air flowing into the intake causes the engine to lean out, as a result of too much air in relation to the fuel and misfire. At an idle, the PCV valve restricts air flow, to reduce this problem....
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If my car leaks oil and if i use synthetic will it leak more
The consensus in the industry does seem to be that existing leaks will leak more, to some degree, with the use of synthetic oil. This is ONLY the case if you have existing leaks and how much more of a...
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Hi Chris I have a 2011 mitsubishi galant and I need a radiator with sensor and the the problem is I can't seem to find one and ol
I would recommend looking on Google for this particular part in the shopping section. This will give you access to many aftermarket versions of various parts. It is very likely that you will find it there. You could also try...
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P1071 p0174 p1083 2002 bmw 530i
A number of things may cause codes P0171, P0174 and P1083 to be triggered. As the codes indicate, this means there is a lean fuel condition which may be caused by a lack of fuel supply or in some cases,...
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Feels like car isn't shifting into second gear, cant go over 20mph in drive.
There is an issue with the transmission is the main valve either is disconnected inside the transmission oil pan on the controller or the controller has an internal leak or a check ball is not holding. I recommend seeking out...
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Hesitation when accelerating
Hi There, The radiator fan may have stopped working for a couple of reasons such as a faulty fan motor or faulty fan relay. As you know, this can be dangerous to the motor as it may cause it to...
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Display shows "Service AdvanceTrac", what does that mean?
AdvanceTrac is the traction control system that is used in Ford vehicles. Your car is equipped with wheel speed sensors at each of the four wheels which monitor wheel speed while relaying this information to the traction control system, which...
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ABS lights flashing on dash, temperature gauge increased. Multiple lights flashing on the dash. I put my seat belt on and they went away
Hello, this could be a number of things depending on how the vehicle is running now. If you possibly ran through a puddle of water or your belt is worn, it could have slipped and caused the lights to flash...