Popular questions

Question
Car won't go over 20mph
Hi There, Depending on what specific vehicle you have, this may be caused by a number of things that may have caused the vehicle to go into a fail safe mode or "limp mode." This can happen when the vehicle's...
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Would this result in the check engine light turning on?
The check engine light indicates that the engine controller (ECU) has detected a fault in the system that could effect the exhaust emissions. The ECU stores a trouble code to help technicians diagnose the problem and lights the Check Engine...
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How do I use the air conditioner?
When it’s hot outside, you want to be cool and comfortable in your Accord. The air conditioner is designed to do just that. Using it is easy – just follow these steps: Turn on the air conditioner by pressing...
Question
trying to refill ac but the compressor will not kick in is there away to bypass the compressor
If your car is only 4-5 years old and the system is so low on charge that the compressor won't turn on, that means you have a significant leak. It might be a waste of time to re-charge the system...
Question
There's a bad smell after I rebuilt the transmission
Hi, and thanks for contacting YourMechanic. What seems to be happening is that your vehicle is having a parasitic draw (power drain with key off) within the electrical system of the transmission. Check the harness to the transmission and look...
Question
The dealership accidentally cut my car off, can I get a jump to start it again?
A jumps start certainly will not hurt your vehicle, however this suggests that you may have an issue with a weak or dead battery or possibly a bad alternator. As you may know, the alternator is responsible for charging the...
Question
How do I get to a 2004 Lincoln Navigator reverse light to change it?
Unfortunately, the rear hatch panel will need to be removed in order to gain access to the reverse light. This panel can be removed by loosening any screws that attach it to the vehicle. Then you can use a small...
Question
My front bumper popped out in the corner but doesn't shake
Hi there, thanks for writing in. Anytime your vehicle strikes a solid object, the potential of damage of other components near that area exists. Beyond the simple body damage on the front end, it is possible that some of your...
Question
Timing chain or belt? 2007 Cadillac SRX 3.6:
Hi there - your SRX engine has a timing chain - actually multiple timing chains, which are oil lubricated. With proper oil change maintenance, all of the timing components should be good for 100K miles or better. There is a...
Question
TPMS light is on
In Hyundai vehicles you need to have a special scanner to reset the tire pressure monitor system when a sensor is replaced. The scan tool will wake up each sensor and record its serial number. After you have each tire...
Question
Having hard time shifting gears
When it is hard to shift a manual transmission, there are few problems that can cause it. If the shifter is hard to move, then you may have a problem with a worn or binging shift fork assembly in the...
Question
Oil Light comes on and car dies
Hi There, If your oil pressure falls below a specific level, the ECM (car's computer) will automatically shut the engine down to avoid further damage to the engine. This is done as a safety precaution. Typically, the oil pressure light...
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Ticking noise in engine does it need valve adjustment??
Hi there. The valves make a ticking noise as they wear, and in order to do any kind of valve adjustment you would need to have the valve clearance checked. If it needs adjustment, then the valve lash adjuster (also...
Question
P12a2 p0171 car starts up then idles low
Code P12a2 is related to the fuel rail pressure sensor which reads the fuel pressure in the fuel rail to ensure that the proper amount of fuel is making it to the fuel injectors. Code P0171 relates to a lean...
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Hazards work but turn signals don't. Replaced the circuit boards relay and bulbs. I have a 99 Grand Cherokee.
If the relay and fuses were replaced check to see if the flasher is working. If there is power to the flasher but nothing past the flasher, then the flasher needs replaced. If there is no power to the flasher...
Question
Driver side rear shock is leaking oil the set only has about 2500 miles on them? they are coil over shocks.
Hello. A shock is not always bad, but if you see some residue oil leaking from the shock then it may not be functioning fully. If you see a really wet and dripping shock, then it should be replaced. The...
Question
my car makes. a loud thumping noise when I step on the gas
Hi there. It is possible that you may have damaged a CV joint or steering system component when the pole was struck. It is also possible that the wheel was bent which could cause this type of thumping noise as...
Question
Break and quench (off)
You may have a bad or sticking idle air control valve. You need to have the computer checked for codes. The throttle body and idle air control valve should be thoroughly inspected. Resetting the idle speed will cause the computer...
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Unused car: disc brake pads clamped or rusted to brake rotor and wheels won't move , how to remove?
Hi - although the brake rotor is rusty, brake pad material is organic, and won't really "rust" to the rotor. Remove the brake caliper bolts, and use a sturdy pry bar to leverage the brake caliper off the rotor. This...
Question
Drove through a puddle of water and now the car won't start
In order to create a safe driving state and prevent damage to the automatic transmission, the transmission control module (TCM) will force the vehicle into "limp mode". In this state, all solenoids and regulating valves are de-energized and the last...
Question
Breaks squeek while backing up sometimes
If your brakes are squeaking they are either running low, or have accumulated excessive brake dust. When brakes run low, they will eventually hit the wear sensor which will cause a squeak when you apply the brakes. However, if your...
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I'm having trouble replacing the cv axle. Do I need to replace the rings around the spline that goes into the transmission?
The rings you are pointing to in the video are actually the retaining rings. Unless they are broken, they really shouldn't need to be replaced. The ring on the male part of the splined shaft should pop into a groove...
Question
How do I add a number to speed dial in the hands-free system?
While you can add phonebooks and even transfer individual numbers to your car’s phonebook, you’ll find that dialing frequently called numbers is sort of a hassle with this method. To make things easier, you can use the speed dial system....
Question
P0300 code random misfire code
Hi. Several components could cause this problem - old, failing plug wires, old plugs with wide gaps, worn or corroded distributor cap or rotor contacts, failing distributor pickup coil issues, or failing ignition coil packs. Diagnosis with proper electrical testing...
Question
Passenger side floorboard getting wet in rain.
Hello, if the car has a sunroof that's where I would start. This would require two people to perform a proper diagnosis. Using a garden hose you would run across the top of the car and look for a leak....