Popular questions

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Oil in the coolant tank
Hi, thanks for writing in. If you have coolant in the engine oil showing on the oil cap, then you likely have a blown head gasket. The oil in the coolant is most likely from the blown head gasket getting...
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My ESC light comes on and I have to wait 45 minutes before I can start the car
Electronic Stabilization Control detects critical situations at an early stage, and takes action to stop skidding and help bring your car safely back under control. Check the wheel sensors for proper operation. Make sure that the sensors are plugged in...
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Stalls at random times while driving
Hello, thank you for writing in. From what you describe it would appear that your vehicle may be experiencing some sort of electrical issue. The check engine light, as well as a few other lights, should all light up when...
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How do I set the ignition switch driver’s door unlock mode?
When your car is in ignition switch driver’s door unlock mode, then the driver’s door will automatically unlock when the car is turned off by switching the ignition out of the On setting. To set the ignition switch driver’s door...
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Engine seized in 1997 Toyota 4Runner
A few things to check before you condemn the engine. Sometimes a coolant leak can get into the cylinders of the engine when it is sitting. This will hydro-lock the engine. Water above the piston does not compress and will...
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Evaporative Emissions Control
Your car has a small purge valve that controls the venting of fumes from the fuel tank as these fumes build up inside, particularly when you are refueling the car with gas. The EVAP system prevents fuel vapors from the...
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Driving down highway bad random vibration front right tire starts to pull brand new tires
Hi Aaron. Thanks for contacting us today. A vibration like you are describing can be caused by a tire/wheel that is out of balance (which can happen even with new tires), a bent wheel, or if the vibration stops suddenly...
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overheating due to coolant loss with no leaking
Hi there. Completing a compression or pressure test might help diagnose the source of your problem, but I would suspect if you're not finding a leak, that the issue is a blown head gasket. Two ways of determining if this...
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Car stalls after longer trips
Hello there, thank you for asking about your 1988 Chevrolet Celebrity. There are numerous potential causes for your problem. One thing that comes to mind, however, is the ignition module. These are known for being problematic on your vehicle. The...
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The VVT solenoid
Hello. It may be possible to access the solenoid from within the motor, however that would require disassembly of the engine, or at least the valve train. You may be able to access it by removing the valve cover. Regards,...
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Engine loses revs idling til the thing stalls
The most likely cause for your engine performance problem is a balance chain and fuel pump issue. GMC has released Special Coverage Adjustment 12313B which outlines replacement of the fuel pump and balance chain. A fault with either of these...
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2001 Pontiac grand Prix 3.1l engine tapping
Hi there. Typically an engine tapping noise is caused by either cylinder head lifters that are loose or worn out, rockers and valves not properly adjusted, a timing belt or timing chain that is loose or crankshaft / cam out...
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Car jerking when accelerating
There are countless potential causes for your problem. The first step is to retrieve the diagnostic trouble code (DTC) associated with your Check Engine Light. This code provides a starting point for the diagnostic procedure. Regardless, any testing will have...
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No start problem on my 99 Dodge Ram diesel
Diesel engines rely heavily on glow plugs in cold weather. Diesel fuel tends to thicken in cold weather, so the glow plugs heat the combustion chambers as well as the fuel as it enters the combustion chambers. The Cummins engine...
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I keep burning alternators what could be the problem
It is possible that one or two of them were just bad as a new part as most alternators are remanufactured rather than brand new. I would also double check the workmanship performed on the vehicle. If you have the...
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Motion sensors for accident avoidance gives false positives
Be sure all sensor elements are clean and unobstructed. According to surveying carried out by "Consumer Reports", the Ford system is among the more reliable in the industry so, based on your description, the accident avoidance system is malfunctioning. The...
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Coolant leak on 2005 Audi A4 2.0L petrol but no engine overheating
You will need to have the cooling system pressure tested to locate the leak. You may have a water pump leaking or a hose that is leaking.
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Car makes clacking noise.
With these symptoms it sounds like you have two different problems. Firstly, the clacking noise on deceleration is most likely the turbo control valve flapping, which may have a bad valve. The noise when pressing on the brakes means that...
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Difficulty accelerating
Hello. It sounds like your clutch is worn out and going bad. The clutch is what allows your transmission to shift into gear and it also allows the transmission to provide power to the wheels while driving. A lot of...
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Transmission over temp
The shifting problem you are having may be a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the...
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Need to replace the driver's side mirror
On many vehicles, the door panel does not need to be removed to replace the side mirror. The mirror usually has a small trim piece to cover up the mounting nuts on the interior side of the door. If you...
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Hi Jeffrey. I am about to buy a new car and I stand for between a Subaru BRZ/Scion FRS and a Mini Cooper S, both used, 2013-2014 w
I would suggest checking the Kelly Blue Book website with specifics related to your zip code as market prices of cars vary by zip code. This will give you a baseline for determining whether or not the car is within...
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Car will not start
This may be related to many different possibilities, some of which may be related to a lack of spark and some of which may be related to a fuel delivery problem or a combination of both. For example, if the...
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Rough Idle / difficult start
A rough idle may be caused by many different things such as low fuel pressure, low voltage to the fuel injectors, dirty fuel injectors, a vacuum leak, a faulty Oxygen sensor or a dirty or failing idle air control valve....