Popular questions

Question
The interior lights flash when you press the brakes
Hi there. It really depends on what the source of the electrical glitch is; which will determine the repairs needed. I'd wager that the issue is an electrical fault with the brake switch that is causing this. However, since you...
Question
Cel code p0129
Well you replaced all the parts associated with your code. You need a voltage meter to measure the voltage at the sensor. There should be a 5 volt signal and a ground on the outer wires on the sensor. If...
Question
Water leaking into the rear floorboard
The sun roof drains are plugged in the channel that is in the front. Open the sun roof and look in the rain channel and look for the drain holes. Try and pour some water in the hole and see...
Question
Shuttle and hard shifting
It sounds like your transmission is having a problem with one of the inputs, which helps it determine when to shift. It could be a hydraulic problem, or a problem with one of the solenoids as well. Start by checking...
Question
The car has a decrease in gas mileage
Hello. For a sudden drop like this to occur, it usually means that a sensor it not reading correctly. I usually install a scan tool first to check things like the oxygen sensors and the air flow meter as they...
Question
Popping/clicking when turning left and or right from a stopped or a slow moving position
Hi there: One of the common mistakes made when people add suspension lift kits onto a 4WD is they forget to add a steering stabilizer stop. Trucks and SUVs with larger aftermarket tires and wheels require the use of a...
Question
Truck won't start after changing plugs and wires with a brand new battery it just clicks but every thing works
Hello, thank you for writing in. When you are dealing with this type of issue, you want to verify that the most current repair was done correctly. This means making sure the plugs were installed correctly, the wires were installed...
Question
Luke warm heat from heater
This may be a thermostat issue where the thermostat is not closing at the right temperatures resulting in the coolant running continuously throughout the motor which does not allow the engine to reach normal operating temperature. As you may know,...
Question
Is there anything else that causes accessories not to work besides a fuse besause I changed one bad fuse & still not working
The systems that are not working are powered through the battery saver relay actuated by the body control module. If one or more item shorted and blew out the fuse then no item will work. Check to make sure the...
Question
i have a 2005 gmc c5500 the heater motor comes on for 20 sec when first start truck then nothing
Hello - I suspect this may be a problem with the fan motor resistor pack. If the fan control is put in the "Max" or "High" speed position, does the fan continue to run? Does the fan only run for...
Question
Engine stumbles around 3000 RPM.
Hi there. The engine could be stumbling for the coil pack or distributor may not be functioning correctly. As the coil pack or distributor gets old, the parts tend to become weak and is not able to send an electrical...
Question
Battery light on or off while driving won't start now
The battery should be load tested. If the battery fails the load test, the battery should be replaced. If you need to schedule battery replacement service, please schedule via YourMechanic's battery replacement service request page. If you request battery replacement,...
Question
Tire making loud thumping/knocking noise
Hello. You may have a wheel bearing going bad or flat spot on your tire. I suggest that you have a technician such as one you can choose from YourMechanic perform a suspension evaluation on your vehicle to help you...
Question
Evaluating if the ignition timing is correct by ear on a car using leaded gas
Lead replacement actually does work. If it is an old enough car, you can advance the timing and then when you accelerate hard, especially if you are going uphill, if you hear the engine rattling a little when you accelerate,...
Question
Whirring Noise now WONT start HELP!
From your description, it sounds like the starter motor is not functioning. In attempting to start the engine, if you do not hear the engine turning over, that is there is no starter motor function at all, the starting circuit...
Question
Too much vibration from the engine when I stop on the road during drive, I hear some sound when I make a left turn.
You could have both of those problems. The ticking sound when you turn is most likely the CV joint. As for the vibration at a stop, an engine mount will usually show signs while driving as well, but not always....
Question
Headlight not working properly.
A flickering headlight means one of two things. Either the headlights is faulty because the filament inside has broken and is intermittently making contact, or there is a problem in the electrical supply for the bulb such as a bad...
Question
Warning lights after ABS brake flex lines replaced
The rear lights, including the brake lights, all go through the light control module and should have nothing to do with the ABS system. You may have bad bulbs. Have them checked to see if one or more brake lights...
Question
Running really rough, not starting usually. Battery light came on. Car overheated. Headlights turn off when I put the high beams on.
Hi there. With the information given, it sounds like you accidentally put 3 bottles of Gas Heet (water / antifreeze remover) into the gas tank. There is to be only 1 bottle of Gas Heet to a full fuel tank...