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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
Is diagnostic fee applied to repairs
The diagnostic service fees are not included in the service call. If a diagnosis is needed to find out the problem then the mechanic needs to be compensated for their time to do the diagnosis service.
Question
Car won't start key turns and lights dim when it cranks. I just don't hear a buzzing sound from the fuel pump when turn key to on
Code U1100 signifies a communications error which is either a module fault or a deficiency in the wiring harness between communicating modules. There's a possibility that a dying battery is a cause of such a code (and a cause of...
Question
Does the Mechanic verify the replacement part I think I need is what a actually need?
If you call out a mechanic to install a part that was diagnosed by another company then to answer your question is no. The mechanic that is to install a previously diagnosed parts cannot in most cases verify the part...
Question
voltage warning light still coming on 30-45 seconds after car starts.
Nothing should be replaced until you have in hand a definitive diagnostic pinpointing the faulty segment of the car's electrical system. There may be too much voltage drop in the charging circuit, as well as elsewhere, but start with the...
Question
My engine light turns on, and i went to autozone to diagnosis, and it's faulty o2 sensor. Would you be able to replace it?
If code P0136 sets the only way you can determine if the oxygen sensor has failed is to use an automotive scope to graphically depict the sensor output waveform (it will look roughly like a sine wave) and switching rate...
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...
Question
Could this be the TCM causing the problem?
Yes, no start in the scenario you are describing is possible especially if Code U1000 has set, along with other codes such as P0717, but there are multiple code scenarios or combinations. One quick strategy is to pull and visually...
Question
my car make rattling noise ,feel like it stops and goes,while driving, and now displays "check engine"
Inasmuch as the check engine light has illuminated, diagnostic trouble codes have been stored in your car's engine computer (PCM) and those codes, once downloaded, will probably reveal at least the general cause of the problem you are having. If...
Question
P2196 OBD-II Trouble Code. came and went in 24 hours. 4 starts.
If the mechanic tested the output (functioning) of the oxygen sensor, especially according to the protocol at this link and found that the sensor was non functioning at that time, what you might be experiencing is a "failing" oxygen sensor...
Question
The check engine light is on and it's say gas cap what price range am I lookin at to have it fixed
If you are referring to the warning light for a loose gas cap loose and/or Diagnostic Trouble Code P0442, a loose or defective gas cap is merely one possible reason for the warning light or the Code. You could have...
Question
Where is the starter on a 2009 Jeep Patriot
On your car, the starter is below the air cleaner box and air tube. You have to remove those, as well as other components to access the starter. Once you have accessed the connections to the starter, test for power...
Question
Runs rough & Engine light
The codes being set should be investigated first unless they implicate systems or components that clearly are irrelevant as "causes" of a rough running condition in which case you would diagnose and fix the rough running condition first and then...
Question
My daughter's check engine light came on with a code of P1004 on a 09 Dodge Charger. We changed the short runner valve, the light
The short runner valve actuator that you replaced is just the electric motor that moves the short runner valve to its correct position. However, the problem is likely that the valve itself within the intake is sticking. Using an appropriate...
Question
I have a 2005 trailblazer
Your vehicle can use up to 15% ethanol with no ill effects and such use (of E-15 for example) does NOT require regular use of any particular fuel system "cleaner". Most gasoline vended these days already contains a sufficient additive...
Question
Engine light on with P0171 code
The cause behind diagnostic trouble code P0171 is easiest to find by looking at the secondary firing patterns on the Bank one cylinders. That will confirm if the too lean condition, that has caused the code to set, affects all...
Question
how do i know if i have an bad PCM
PCM's are usually replaced at the end of a "process of elimination". That is, with most engine management control failures, there are a whole host of common causes that are evaluated first. Once that long list of most common causes...
Question
I have a Po171 code on a 2006 trailblazer
The cause behind diagnostic trouble code P0171 is easiest to find by looking at the secondary firing patterns on the Bank one cylinders. That will confirm if the too lean condition, that has caused the code to set, affects all...
Question
my 04 sentry has the service engine light on.
If your vehicle's check engine light illuminates, there is a malfunction that should be diagnosed and repaired. If the check engine light is flashing, that means there is a serious fault, such as cylinder misfiring, that requires immediate repair. Misfiring,...

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