Recent questions

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Won't crank
Hi there: In most cases when you turn the ignition key and it "hums", it's due to the starter relay or the starter itself being damaged and needing replacement. However, it's also possible that the alternator, battery or main relay...
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the vents in my truck are blowing out cold air but it's not overheating.! what do I do?
Hi there: If your Ford Explorer is not overheating, then it's likely that the heater core might be damaged or there is some debris inside the core that is causing this issue. Other likely problems would cause the vehicle to...
Question
Okay so I got stuck in mud today and was shifting from reverse to 1st trying to wiggle it out and at some points I did rev the eng
Hi there: Sometimes when a vehicle gets stuck in the mud, excessive mud will clog up sensors on the vehicle suspension or engine / transmission that will trigger the check engine light. However, it's also possible that the excessive wheel...
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Ford focus 1.6 petrol 51 plate knocking engine
Good day: In most cases, knocking sounds you're describing are caused by loose cylinder head hardware components ranging from lifters to rocker arms. If you added oil and the knocking went away, it's possible the engine was simply low on...
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Car wont stay running
Hi there: Usually when a car will start then die quickly, it's caused by a vacuum leak, fuel system obstruction or faulty emissions components like the EGR valve or mass air flow sensor. Without knowing the type of vehicle you...
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I have a 2006 dodge charger 2.7 that has been overheating and the heater is blowing out cold air, warm air, and sometimes hot air
Hi there: Overheating issues can be very difficult to pinpoint without completing a physical inspection. If your heater is not blowing warm air, it's very possible that you have a clogged heater core coolant line; which can cause engine overheating...
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black smoke and loss of power
Hi there: Unfortunately we don't see a lot of diesel powered Hyundai Vera Cruz vehicles here in the United States. However, on several six cylinder turbo diesel engines, a fault with the glow plugs can trigger the symptoms you're experiencing....
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my car shaks after adding oil
Hi there: It's highly unlikely that the addition of oil or gasoline triggered the engine shaking situation you're experiencing now; unless he mistakenly added diesel fuel to a gasoline powered engine. It might be a good idea to have a...
Question
check engine light code said replace cam sensor will not crank with new sensor but wiil crank with old sensor
Hi there: That is a very off symptom you're describing. Without being there to phyisicaly inspect your Nissan, the only thing I'd guess that might be causing this is if the cam sensor you installed was the incorrect one, or...
Question
Car is in limp mode and making strange sound when beginning to rev.
Hi there: When the oxygen sensors have a reading that is similar to each other, it is an indication that the catalytic converter is not working as efficiently as it is intended. If the voltage of the downstream oxygen sensor...
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My truck is running rough
Hello. The symptoms you are experiencing can be caused by a wide variety of issues. Problems with the fuel, ignition, or engine management systems can all cause the symptoms you are experiencing. If the symptoms only appear when driving above...
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If I have 1 damage wheel bearings would it be smart to replace both in the front or not
Two schools of thought. 1 - If one is bad and one is good, replace the bad one and worry about the "good" one when it goes "bad". 2 - Considering the age and mileage, if one is bad, the...
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when placing gear shifter in reverse I hear a pop/knock.
Hello. A popping / clunking noise when moving in reverse can be caused by many things. Two of the most common causes for those symptoms are worn axles or motor mounts. The axles are the joints that transmit power from...
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Can I install a LPG implant?
Hello. You may be able to retrofit the vehicle for use with LPG fuel, however it will likely require a host of new parts for the fuel, and possibly engine management systems. If there are LPG retrofit kits available for...
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transmission problem
Without knowing what type of vehicle, I can only provide you with probable causes. These probable causes cover both vacuum and electronically controlled transmissions. The shift cable can be out of adjustment or broken. An improperly functioning vacuum modulator can...
Question
Check engine light
Hello. From what you describe it would appear that your vehicle may be experiencing some sort of engine management issue. The check engine light comes on when the computer detects some sort of issue with the vehicle's fuel, ignition, emissions,...
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Second gear grinding noise what is causing this problem on how much to fix it?
It sounds like you have an internal issue with the transmission itself, possibly bearings or the main shaft.Unfortunately yourmechanic.com does not perform transmission repairs. Have a local transmission repair shop inspect/diagnose your transmission.
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No start, new key
Hello. In most cases the plastic cover that goes over the ignition switch should not prevent the engine from starting, it sounds more like your vehicle is being immobilized by the anti theft system. You may be able to deactivate...
Question
Cranks but does not start
If the fuel pump is getting power, then odds are the fuel pump relay is fine. However, if the vehicle was run out of gas, the fuel pump itself may be damaged. fuel actually keeps the fuel pump cool and...
Question
Start error on Mercedes
If you have another key, try to start it with that 2nd key. If it starts, then the DAS (Drive Authorization System) is good and only the 1st key has lost synchronization. Try this with the non-functioning key: Insert the...
Question
Fan assembly is not working
Hello. From what you describe it sounds like your vehicle may be experiencing more than one issue. If one of the fans is not coming on when the fan shroud is installed then that could mean that with the fan...
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Engine stalls when the brakes are applied
Hello. From what you describe it would appear that your vehicle may be experiencing possible engine management or transmission issues. The symptoms you describe can commonly be caused by faulty idle air control valve. The idle air control valve is...
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New engine at 88K for 3,500 including labor or remove the head and see if they can fix it?
Starting from the end, it it difficult to say how much a replacement engine would be. There are lots of variables . Who the supplier is, the type of warranty, region, etc. As far as should you replace the engine,...
Question
Heater doesn't get hot
If your heater is not producing the correct amount of heat or any heat at all, the first thing I would recommend checking would be the coolant level. The vehicles heater relies on the coolant getting hot to produce heat....
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Electrical problems
Hello. The voltage regulator is the component that adjusts and maintains the electrical system's output, making sure that there is enough power generated to meet the system's requirements. When it fails or has an issue it can cause symptoms similar...