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How to Troubleshoot a Car That Makes a Loud Screeching Sound When it Starts
Cars make a screeching sound when serpentine belts slip or crack. Lubricate car belts or have them replaced to fix the screeching noise.
How To Troubleshoot a Car That Makes a Whining Noise When In Gear
Whining is a common car noise that cars make when being shifted from gear to gear. Test your car in different gears and check the fluids.
How to Troubleshoot Car Overheating Causes
Car overheating can be caused by low coolant, a faulty radiator fans, a broken serpentine belt, or a stuck thermostat. Stop driving an overheated car.
How to Troubleshoot a Surge Caused by Car Air Conditioning
Car air conditioning can cause a surge in the car engine if belt have slipped, the throttle body is faulty, or the idle control valve needs replacing.
How to Troubleshoot a Clicking or Popping Sound in Car Wheels
Car wheels make popping or clicking noises due to faulty CV joints, worn struts or drive belts, loose hubcaps, cupped tires, or loose suspension.
How to Troubleshoot a Car That Makes Clunking Noises Over Bumps
Cars that make clunking noises as they drive over bumps may have worn struts or leaf spring shackles, or damaged control arms or shock absorbers.
How to Troubleshoot a Clutch Pedal Sticking to the Floor
Clutch pedals in manual cars stay on the floor if there's a failed clutch release bearing, slave cylinder, clutch master cylinder, or clutch linkage.
How to Troubleshoot a Clutch That Won't Fully Disengage
A slipping clutch is a clutch that's not fully disengaging, which could be caused by a broken clutch cable, a hydraulic leak, or incompatible parts.
How to Troubleshoot a Gas Cap Cover That Won't Open
Gas cap covers, or fuel doors, get stuck closed and won't open if there's a faulty internal spring or lever, lack of lubrication, or bent fuel door.
How to Troubleshoot a Gas Cap That Won't Click
Gas caps click when they are secure. A damaged gas cap may be caused by a damaged gasket, gas tank filler housing, or debris in the fuel neck.
How to Troubleshoot a Gas Cap That Won't Come Off
Gas caps stick and won't come off when the gas cap is broken, there's a mechanical defect in the gas tank filler neck, or gas cap is locked.
How to Troubleshoot a Hesitating or Bucking Car
Hesitating cars and bucking cars often have worn out fuel filters, fuel pumps, oxygen sensors, EGR valves, spark plugs, or air filters.
How to Troubleshoot a Car Idling at a High Speed
Car idle speed increases or decreases if there are damaged fuses, idle control valve, throttle blades, ECM, or a vacuum leak.
How to Troubleshoot a Car With Clutch Noise
Clutch systems create noise if there is a damaged clutch master cylinder, clutch pedal, pressure plate, clutch disc, flywheel, or pilot bearing.
How to Troubleshoot a Car Exhaust or Engine Noise
Car exhaust systems and car engines make whirring, clicking, or sputtering noises if there's a faulty belt, alternator, water pump, or tension pulley.
How to Troubleshoot a Parking Brake or Emergency Brake That Won't Engage
Emergency brakes won't engage if the parking brake lever or pedal is out of adjustment or there are worn brake shoes or brake pads.
How to Troubleshoot a Parking Brake or Emergency Brake That Won't Hold the Car
Emergency brakes won't hold a car if the parking brake level is stuck, the parking brake cable is stretched, or the brake shoes or pads are worn out.
How to Troubleshoot a Parking Brake That Won’t Release
Emergency brakes won't release if there's a damaged parking brake, return spring, rear caliper pivot arm, or a caliper with a stuck piston.
How to Troubleshoot a Small Engine Problem
Small car engines need attention if the car won't start, there's a loss of power, the car stalls or overheats, or if the car backfires.
How to Troubleshoot a Power Moon Roof That Won't Open
Car moon roofs won't open if the tracks are clogged or the cables, electric motor, or moon roof switch is broken.

Related questions

Question
Looking for info about most common OBD2 Codes
There are two (at least) quite distinct issues in regard to your general request: The first is, once a check engine light illuminates, what are the most "frequent" codes that are stored and thence downloaded, that is what does THAT...
Question
check engine light
Be sure the bulb for the check engine light has not simply burned out. To determine this, turn the key to the "on" position. If the check engine light briefly illuminates and then goes out (the light will normally illuminate...
Question
Got a trouble code P0171.
The purpose of the No. 2 sensor is to monitor the efficiency of the catalytic converter. Consequently, if everything is functioning correctly, the No. 2 sensor is supposed to report a constant voltage. If the No. 2 sensor waveform mimicked...
Question
Coolant temperature sensor issue
If the vehicle is not overheating and the check engine light is NOT "flashing", and there are no other outward indications of the engine malfunctioning, it is safe to drive the car until it is convenient for you to request...
Question
In limp mode following a catalytic convertor repair. Have driven 70 mIles in limp mode.
The only purpose of the catalytic converter is to reduce exhaust emissions. The converter is within the exhaust system and functions as part of the vehicle's emission control system. Excepting only an unusual circumstance where the converter is physically plugged...
Question
Fault code p0120
Diagnostic trouble code P0120 sets when the ECM (or PCM) receives an output from TPS sensor circuit A that is outside of the specified voltage range in relation to TPS sensor circuit B. The code will also set if TPS...
Question
Wondering if fuel injector(s) is/are going bad
Although faulty fuel injectors could cause the issue you are describing, the symptoms associated with the diagnostic trouble code you found, namely P0344 are consistent with the symptoms that you are reporting. Consequently, you are better off resolving the fault(s)...
Question
Why car won't start help. Tried to help with obd.
Among the possible faults that you have listed, the crankshaft position sensor (CPS) is particularly noteworthy. If the CPS has indeed failed such is a very common cause of no starts. Consequently, your most efficient option would be to request...
Question
engine light stays on even after replacing the intake valve selenoid the code is p0075
Diagnostic trouble code P0075 means there is a fault in the Intake Valve Control Solenoid Circuit. A defective solenoid is one possible cause of the code setting but problems in the circuit wiring are often the cause of the fault....
Question
Doesn't sound like it wants to start
Prior to performing diagnostics be sure you have a fully charged battery that passes a load test. Then, confirm that the engine immobilizer system (security system) is not activated thus preventing the car from starting. Basically, if a fully charged...
Question
Accelerater is not working.
The most common causes of Diagnostic Trouble Code P2118 are failure of the throttle actuator control motor, a failed pedal position sensor, a faulty throttle position sensor, an open or short in the actuator circuit, or a poor electrical connection...
Question
was getting PO440 CODE.
These valves are controlled by the PCM so the circuit will not be closed until commanded by the PCM and that closure can be through the ground side. If the circuit is competed through the ground side, you will always...
Question
Service engine soon error message
If the check engine light is on (aka, "service engine soon"), that means that there is a malfunction in the engine, typically involving the engine controls such as ignition, fuel, air induction, emissions and so forth. There are thousands of...
Question
car makes a sandpaper rubbing type noise, the rpms don't want to go up as usually it shifts gears very weird
Hi there. It is possible that you have multiple problems causing the lack of acceleration on your Camaro. Most of the time, the engine issue is caused by an obstruction of fuel, due to clogged fuel injectors, a dirty throttle...
Question
Why doesn't anyone offer a quote for a compression or CLT test?
In almost all cases, individuals with engine faults are seeking resolution to an "acute" fault and not so much presenting with a "worn out" engine, that is one with low cylinder compression and cylinder leakage. A compression loss that is...
Question
I just realized I asked for a quote for an alternator, but that is my diagnosis of the car problem. Not sure if it is the problem.
Hi there. It is probably a better idea to start by having one of our mobile mechanics come to your location and complete a car is hard to start inspection. This will allow them to review your car at your...
Question
What are some inexpensive possible solutions for a P2506 code?
A good way to protect yourself in a used car transaction is to request a pre-purchase vehicle inspection. That inspection, carried out by a certified Mechanic, dispatched to your location, will give you very specific data regarding any current problems...
Question
Jessica Howe
Hi...yes, that is absolutely possible. If you would please review the slate of services (including all the various diagnostic services) available at this link, simply choose the service that best matches the difficulty you are having. Don't worry if it...
Question
Its misfiring on cyl 5 and has a code for an o2 sensor.
Diagnostic Trouble Code P0305 means that Cylinder No. 5 is misfiring but the causes of that can be very varied. Check the plug, secondary wire, and distributor cap. The fuel injector to the cylinder could simply be faulty or there...
Question
vehicles stalls both while driving and idle, will hesitate to start. howvever sometimes starts and runs without issue. P008B
The p008B code that you listed refers to the low pressure fuel system. For some reason the engine control module is receiving a signal that shows high pressure in the system. This could be caused by a failed low pressure...

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