Popular questions

Question
Replaced my engine. Does the new one need to be adjusted to the higher elevation?
Check all of the sensors and make sure that they are plugged in all the way. The computer system with the sensors are designed to adjust themselves as elevation changes. This is why all vehicles today have computers in them...
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My truck wont start, no click, new battery.
Hi There, It sounds like you may have a faulty connection or potentially a faulty starter relay not allowing power to be sent to the starter solenoid. The starter relay directs power from the battery to the starter solenoid which...
Question
Engine sputtering
Hi there, thanks for writing in. There are a lot of possible causes of this. Most of the time it is caused by a fuel system issue. When you get smoke like this it is usually caused by excessive fuel...
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Lights coming on and shaking of the car
Hi, thanks for writing in. Without knowing the make and model of your car, it is hard to give guidance on what the issue may be. Luckily since the warning lights have triggered, this means that a diagnostic trouble code...
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I have a good battery but my fuel pump is bad. if I get a boost off will the car crank?
Hi there. You could try to jump start your car, but if the fuel pump is broken, the added electricity will not help. A car will not start for multiple reasons, ranging from a damaged fuel pump, bad battery or...
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Vibration on the right rear of my vehicle
The good news is you know which wheel the sound is coming from. Locating which wheel is making a noise is often a challenging task. Unfortunately, it sounds as though you need a wheel bearing. When the noise is this...
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My car slowly came back to a stop and now it won't start. Mechanic said it's the timing belt or motor.
Hey there. It is very possible that your timing belt may have broken. It is also possible that some internal damage may have occurred to the engine. I would recommend having another mechanic give you a second opinion on what...
Question
it eats up gas and i have little power when i press on the gas
Since the vehicle is over 25 years old and with over 220,000 miles the engine and vehicle may have more than one problem. If your engine is only having the problems when you get it warmed up then you have...
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after changing valve cover gasket truck just crank no start
Hi there: The only thing I imagine that could cause this problem is if you accidentally removed an ignition wire or wire to connected to the starter relay. There should be no reason why replacing a valve cover gasket on...
Question
Distinguish timing belt and drive belt
The drive belt is visible when you open the hood. Some cars have multiple belts. Some have one belt that "drives" all the external engine components like the water pump, a/c compressor, alternator, and power steering pump. The timing belt...
Question
I have changed the clutch master cylinder seals on my car but the clutch pedal still does not return.
Hi there. Check the fluid in the reservoir. Top off all fluids that are low. If the fluid was low, then look for any visible leaks. If the fluid is full and there are no leaks, then check to see...
Question
Shifts early jerks engine - 1994 GMC K2500
Hello. You will need to remove the EGR valve to clean out the carbon and then decarbonize the engine. The code 28 may be due to the transmission or transmission module controller PCM has a bad internal driver to control...
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Shakes at 60+
Bad inner constant-velocity (C/V) joints can give you vibrations while accelerating. When they are worn, they can vibrate under load (accelerating). Tire balancing could cause vibration while accelerating, maintaining speed, and coasting, and is less likely to be the issue....
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1995 BMW M3 won't pass smog at idle, random misfire, new coils, plugs, injectors, knock sensors, tested sensors with scan tool
Since you have replaced so many parts , it would be very difficult to determine what exactly is causing this without performing a physical inspection. I wouild stronly recommend having your vehicle inspected by a qualified professional to trace down...
Question
Snap-on tools vs. HF and Craftsman tools
People have this image about mechanics and a lot of mechanics, if they’ve been there too long, sometime will get snobby and say “I only use Snap-on tools.” I have all kinds of tools. Since I’m a famous mechanic, people...
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if my car overheated for the first time today and it's my water pump do I have to be worried about a head gasket
Hello, thank you for writing in. Water pumps can fail for many reasons, and your pump may have built pressure before bursting open. It may also have come loose over time, but either way they are very common place to...
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a Chevy Cruze 2011 and when I stop at a red like or when the areis not moving and I get ready to accelerate its hesitation
Hi Nawaza. Thanks for contacting us today. The Chevrolet Cruze isn't well known for its acceleration ability. However, this could be a sign of a rather signification fuel system obstruction or even transmission problems. I would recommend having a professional...
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Car does not start when I turn the ignition.
The engine in this vehicle has a timing belt and may have broken, causing the no start. Another problem may be the distributor ignition sensors inside it.A mechanic can inspect for your 'no start'. My recommendation is to have the...
Question
Engine will not engage.
If the battery is weak enough, it is possible that it may have enough power to power the gauges in the dash, but not enough to engage the starter. This may also be related to a bad ground connection at...
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stiff gear change
Hey there. One of the problems associated with buying a used car is having accurate data on how the previous owner maintained the vehicle. When you mentioned that after diagnostics were completed, that the technician discovered that dirty oil was...
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My 2002 Saturn Vue's rpms started revving into 4-5k when up shifting. Later that day the clutch went out. Now the starter is out.
Hello, thank you for writing in. The decision to invest in an older car is difficult, even more so when you do not have the car in front of you. A failed clutch can interfere with the flywheel causing the...
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Gray oil under oil cap
There are quite a few labs (just do Internet search) that perform passenger car engine oil analyses and such a service is economical as it is done through the mail. Visual observation, in the circumstances you are describing, will not...
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My battery went dead, replaced it with a new one and within 150 miles the Check Engine Warning Light came on.
There are a relatively large number of Technical Service Bulletins that GM has issued covering faults and difficulties with electrical components in your vehicle (ref: National Highway Traffic Safety Administration on-line database which we searched for your year, make and...