Popular questions

Hi There, There should not be any connection between your tires being low and the horn honking intermittently. The cause of the horn honking randomly is likely related to a short in the electrical system. The horn switch in the...

The TPS controls the fuel supply in all modes. Changing the mode will not bypass the TPS as this is the car's method of regulating the amount of fuel being injected into the motor based upon the position of your...

Hello and thank you for contacting YourMechanic. The book says that you can use a 15, 20, 25, or 30 amp fuse. The power to the heaters are operated through the wiring to the main harness. There could have been...

Hey there. This noise is an indication of movement of the suspension. The first thing to check would be the lower control bushings on both sides of the car should be checked for movement by supporting the vehicle off the...

The tie rods used on the rear wheel drive version versus the four wheel drive version of the truck are completely different. Insofar as the axle, the cataloging shows a difference in tie rod, depending on whether the axle is...

Hi Dewayne. I've cc'd the sales and service department on this reply, as they are better qualified to answer the specifics of this question. They should be contacting you via email directly for clarification.

Hello. There are many issue that could cause the vehicle to produce the symptoms you are experiencing. If the fuel pump is new I would move on to checking the battery, and then ignition system. I would also recommend scanning...

It sounds to me like you have a wire connector issue with the ignition coil pins. The male and female sides fit too loose and only make partial contact. After driving a while a small amount of corrosion forms in...

Hello, the water pump gaskets can leak, with this mileage you would want to replace the coolant pump also. It would be best to have a certified mechanic look at the vehicle and determine exactly what is going on....

The three trouble codes do not constitute a diagnosis, at all. All the three codes do is point to vehicle systems, each of which in turn contain many individual parts, wiring and so forth, any of which could be the...

The post is an integral part of the battery. It is not separately serviceable and thus you must buy a new battery. If the post has dislodged, or any component of the battery is "broken", be very wary about the...

Hello. This problem is common to Hummer H3s. It is an involved fix, and most of the incidences are related to the front drain tubes, as the vehicle sits at a slight rake to the front. Access to these is...

It sounds like you have excessive crankcase pressure as though the PCV valve was clogged ("throws oil out the oil filler tube"). Check the PCV valve and other crankcase ventilation hoses (to the throttle body and air intake). The excess...

Hi there. Check the wiring from the horn button to the horn and see if there is any loose wiring or any shorted wires. If all the wiring looks good, then the issue is within the steering column. The horn...

The fuel tank venting system is plugged or blocked in some way. There is a two-way valve and a canister close valve that can cause the fuel tank to not get vented during fill up. Have these inspected and checked...

Hello. The service required would be based on the amount of miles that you have. You should be following your owners manual recommendations on maintenance. Spark plugs typically are not needed until 100,000+ miles. If you want to have your...

Emissions testing provides several very useful functions for our daily lives. The combustion gases that come out of the tailpipes of our vehicles are comprised of carbon monoxide (CO), hydrocarbons (HC), oxides of nitrogen (NOx), carbon dioxide (CO2), and oxygen...

Hi there. You are 100 percent correct about changing the location of the O2 sensor and it's negative impact on the ECU's ability to adjust on the fly to changing conditions. This is why I never recommend changing the location...

Unfortunately, there is no way to tell without doing some more testing. The timing and small details about the noises you are hearing may make a huge difference in diagnosing the issue. Lifters will make more of a "clicking"...

Hello, thank you for writing in. The vehicle may be having several different issues. To begin diagnosing it, you will want to check the fluid levels to find out what is burning. From there you want to know how the...

Check for problem codes - you mention that the Check Engine Light is on. This could be the torque convertor clutch not releasing as you slow down, or not locking up smoothly when you reach 40-50 mph accelerating. And yes,...

Hello. Thanks for writing in. To begin, we need to identify what kind of noises you are hearing. Does it sound like a squeak, ticking, grinding, or tapping? Vehicles will make different noises when the engine is cold. Sometimes these...

Rebuilt carburetors do, to some extent, come adjusted but the air fuel ratio and idle speed can be more finely tuned to the individual engine. In your circumstance, maybe the adjusting screws vibrated out of position during that first day...

Hello. From what you describe, it appears that your vehicle may be having more than one problem. A no-start condition will be caused by a different set of issues then a flashing oil light. A no-start condition can be...