Popular questions

Hello there, a few different faults could cause the stalling when pressing the brakes on your 1998 GMC C2500. The most likely would be a power brake booster, vacuum leak, EGR, or vacuum line failure. Any of the listed items...

The radiator leaking coolant would be the the most important leak to repair first. The thermostat can be checked by watching the temperature on the gauge to see if the temperature gets up near the middle of the gauge and...

Hello. A very common concern and almost expected on earlier vehicles, the water pump is generally an easy fix. I will never recommend the use of a stop leak solution on any leak large or small. Leaks need to be...

The amount of oil usage you have would cause a large cloud of smoke out the tailpipe. If you see smoke out tail pipe then you most likely have piston ring damage and not sealing on piston walls. You should...

I would recommend checking the mass air flow sensor as this is a commonly known part that can cause this kind of loss of power. This regulates the air intake into the fuel injection and ensures a proper air/fuel mixture....

Hello, thank you for writing in. You are correct in thinking that your charging system has failed. This is very likely the situation at hand. With that being said, you should still have your battery tested. Typically this is a...

Hi there. A binding accessory could be causing your concern. Simply remove the drive belt and recheck. If the problem goes away, this eliminates the fear that there could be something goin on with the engine or transmission internally. It...

The kickdown cable is too tight and needs to be back off. The kickdown cable controls the throttle valve on the transmission which overrides the transmission shifting. If the cable is too tight, then the transmission will not shift and...

Hello. Thank you for writing in. There are several components that may cause a hard-start. First we need to determine if the engine is cranking at a normal speed, and it is taking a while for the engine to turn...

Hello. Most of the time, this issue is due to the ignition switch. The lock cylinder will not typically cause this. I usually remove the lock cylinder and make sure it moves freely when it is removed. If it does,...

Before driving, you will need to shift your car out of P. To do so, simply apply the brake pedal, and move the shifter.

Hello. The best thing to do is to further test the system for the voltage supply. You need to locate the component or wire that is dropping the voltage. If the motor is not receiving any power on any speed...

The headlight switch will generally control parking lights, headlights, running lights and high beams. If you are getting power up to the switch and the components do not work, the fault may be in the switch or there is a...

Hello. The EPS light comes on when the computer detects an issue with the electronic power steering system. If the power steering is hard, and the computer has been replaced then it may be possible that the issue lies elsewhere....

Hi there. If the error code they gave you was P-0340, this indicates that the problem is with the camshaft position sensor. The camshaft position sensor calculates the rotational speed of the camshaft and where the camshaft is positioned in...

G'day Brett: Without knowing exactly what type of Nissan you have, or being there to inspect the vehicle, it's hard to tell you why the engine is rattling when you start the vehicle. However, in most cases, the initial rattle...

Hello and thanks for your question. When you shift from 2WD to 4WD the vacuum solenoid is to help switch the transfer case from 2WD to 4WD a slow to no speed. If you changed the vacuum solenoid and nothing...

With a vehicle as new as yours, the likelihood of a transmission issue would be fairly slim unless damage has been done. The clanking and the rough idle may be the cause of the jerking motion. You should turn your...

Does the engine just rev and the vehicle does not move? Generally this indicates some kind of slip in the transmission but may also be caused by a low fluid level. Have the fluid level and condition checked first and...

Hi There, The jerking or bucking problem you describe is normally associated with either transmission problems or some kind of misfire related to ignition problems (i.e. crank sensor, cam sensor, ignition coils, bad spark plug wires or plugs) or in...

This may be a sign of a failing idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine. This valve is controlled by the...