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Sometimes my car starts immediately and sometimes it takes between 5 and 10 tries.
Your mechanic's diagnosis and explanation could well be correct. This is classic symptom behavior of a failing ignition switch. The contacts become "burned" over time and over lots of "start" cycles. The repair is to replace the ignition switch. ...
My car is still overheating after I replaced the thermostat
Let's focus in on the fact higher RPMs have an effect on your engine's cooling system. There is only one main component in the cooling system related to engine speed and that is your water pump. The pump is powered...
I just had the harmonic balancer replaced and now the car is overheating.
Most likely the harmonic balancer is not the reason for why the car is overheating. It is more likely something to do with the cooling fan or a part of the cooling system, such as the thermostat. I recommend...
My truck selectively shifts hard
Hi there. From the description you provided, it seems you have more than one thing going on with your vehicle. The hard shifting, and the starting off in second and then jumping into first as you accelerate, could be a...
I have replaced a failed alternator once a month for the last four months, any suggestions?
Your vehicle has a recall for the alternator cable shorting on the power steering line after the insulation gets rubbed through. The recall is for inspecting and replacing the alternator and alternator wiring. The recommendation I have is to contact...
Replaced alternator and now there's a low sounding, high pitched noise, like a jet engine whistling.
Hi and thanks for contacting YourMechanic. This can be an easy fix. The alternator may have a problem with the fan blades inside it if you got a brand new design. If you got a design with the fan located...
My low oil light comes on but, when I start the car the second time, it goes out and the dipstick reads full
Hi. The most likely cause of this problem is the oil level sensor has an intermittent problem and is about to fail. There is electrical circuitry inside the oil level sensor that sends info to PCM. Sometimes this electrical circuitry...
Having trouble starting my car after it sits for a long period of time
There could be an issue with the fuel lines having a blockage buildup from sitting, or the fuel filter could be plugged up from fuel sitting. Try flushing out the fuel system with new fuel. You can also turn the...
My truck cranks but won't start - 2000 GMC Sierra 1500
Hi and thanks for your question. It sounds like a bad MAF sensor and, yes, a MAF sensor can cause a no start situation. When you disconnect the sensor, the car ignores the input and, in some cases, assigns a...
AC makes noise after putting on expansion valve
Hello. It sounds like your new compressor may be failing. Flushing the system is not enough when the compressor fails. When there is debris in the system, it gets stuck in the expansion valves, the condenser, and the accumulator. If...
Low oil pressure - 2000 Chevrolet S10
With the weight of the oil, 5w-30 is preferred in climates that see temps below 0 degrees, and 10w-30 for 0 degrees and above. With that said, it is not unusual to see a drop in oil pressure when the...
I have a 2000 Ford Taurus. A couple weeks ago I was driving and I lost all electrical power to it. Now it will run but very badly.
Hi there. From the description you have given, your vehicle loss of electrical power could be a faulty ignition switch. It could also be, a poor ground pigtail at the negative battery terminal. The combination of inoperative electrical components leads...
I have a Jaguar S Type 2000. What engine can I put in my Jaguar?
The best engine choice for this vehicle would be the one that came with it from the factory. If the engine is bad, I would recommend getting a replacement engine of the exact same specifications from the manufacturer. This would...
There is no power to my power windows. The motors are not broken.
Hello. If all of the windows stopped working at the same time, then there is a power supply problem. It can be as simple as a main switch or it may be the control module. I usually start by checking...
I hear a hissing nose when I press on my brakes car barely stops
This may be related to your brake booster which is mounted on the firewall, and has what is called a master cylinder attached to it. The purpose of the brake booster is to assist in the stopping power of your...
I replaced 2 spark plugs in cylinder 5 to fix a misfire.
Leaking valve covers on this engine allow oil down into the spark plug recesses as you note. Besides shorting the plug, the oil degrades the boot portion of the coil which plugs onto the spark plug, creating other opportunities for...
My car jerks while shifting gears. Will a transmission flush help with this problem?
Hello - some would say not to flush the transmission at this mileage point, for fear of stirring up debris and clogging shift valves. On the other hand, changing the fluid and filter may improve gear engagement (slow as you...
Truck cranks, fuel pump turns on but wont stay on for more than a couple seconds. Poured starter fluid in carburetor and it turns on for a few
Hey there. This may be some kind of fuel supply issue. When you turn the key on, the fuel pump should come on for a brief second pressurizing the system. When you turn the key, it should then maintain this...
I have a gas leak from the gas tank area - 2000 GMC Sierra 1500
As you know, a gas leak can be extremely dangerous depending on the specific location of the leak and the proximity to hot parts, such as exhaust. I would recommend having an expert, such as one from YourMechanic come...
Tac tac noise coming from my car - 2000 Toyota Celica
Hi there. This noise can come from a number of places. Most of the time, if it is a consistent noise, it is from the brakes or an axle. I would usually get the vehicle in the air and spin...

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