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That is the sound that the brake boosters will make as the seals for the diaphragm are worn out. I would recommend having a certified technician come out and determine if that is in fact the problem you're having and...

The problem would be several (10+) short trips per day. The issue is that your vehicle never really has a chance to warm up for the fuel control system to go into "closed loop" status. This is when all systems...

There are a few things along the horn circuit that may cause this type of concern. The horn switch inside the wheel may be shorted and will trip the circuit to sound the horn. There is also a relay in...

The air pump fuse is a 30 amp fuse that powers the pump. The "trigger" for the relay comes from the ignition switch, through a 10 amp fuse. Have you checked to see if the "trigger" wire to the relay...

From what you've described, I have a feeling that you may need a lot more work done than your quote of $920 to fix this vehicle. Be aware that an engine knock can be an internal engine problem requiring an...

Hi Kathryn. Thanks for contacting us today. There are a few possible sources of these problems. The first item would be the intake manifold gasket is possibly not sealing correctly. In most cases, it's due to the wrong gasket being...

Hello, thank you for writing in. If you are going to have someone replace the oxygen sensor, you must take into consideration the price of the part and the cost of labor. For a technician from YourMechanic to replace the...

Hi there. This can be caused by the issues that you mentioned or a number of other things. You need to make sure all of the connectors are making good contact. I would then need to know what codes are...

Check the brakes out on the front of the van. It is possible that the pads are not releasing properly and burning the brake pads causing the plastic burning smell. The brake system could be sticking and not retracting causing...

You should ask the mechanic if he actually directly tested the solenoid and, if so, what the specific test results are. If he did not test the solenoid, look for a new mechanic. Trouble codes can never be relied upon...

I'm not sure if the wind noise can be eliminated due to the shape of your 2005 GMC Envoy, but you may be able to reduce it to a more tolerable level. If you have a roof rack, I've heard...

If the pulley moves back and forth, this would suggest that it is loose. Depending on which pulley it is, this may cause the belt to squeak if it moves back and forth due to the amount of force being...

Sometimes you’ll want the windshield wipers to be working, but not at a steady pace. You may be driving through a light rain or just a few sprinkles. Intermittent operation can be adjusted to activate the wipers at the right...

Hello. In order to access the rest of the features you are looking for it is likely that you will have to download the smartphone app and provide a few details about the vehicle, as well as activate connection to...

Hi there, thanks for your question. Temperature gauge fluctuation could be due a faulty temperature gauge or a faulty thermostat. If tested with a radar gun, this would be an external temperature source for testing the temperature, which would indicate...

Hi there. It's 100 degrees here in Phoenix at 11:00 pst, so I understand the extreme heat! What you are describing can be caused by multiple issues, ranging from a coolant system that is clogged with debris to a failing...

Parallel parking is no fun, even if you’re an experienced veteran. If your car has the active park assist (APA) system, then you’ve got some extra help to make the process easier. This is an automated system that actually scans...

Hello, thank you for writing in. If the sound is not coming from the differential, but is coming from that area, you will want to check the driveline and the axles. Look for anything that is rubbing, has a worn...

These are the following definitions for the codes you've received: P0864 - Transmission control module (TCM) communication circuit -range/performance problem P0070 - Ambient Air Temperature Sensor - (possibly shorted but most likely not related) P0734 - Gear 4 Incorrect...

This suspension system on your vehicle uses hydraulic fluid that supports the vehicle and different valves to control the active suspension. The right front unit showing any signs of leakage on the boot should be replaced. This vehicle may be...

The mention of the camshaft position code and the car's mileage make me think of a timing belt problem. If you can see the camshaft you might want to check and see if it is turning while the car cranks....

The code P2076 is for the intake manifold runner control, and the other code P0067 does not show that it goes to the car and is not listed as a possible code. Your overheating should be checked before driving any...

This answer has to be short and to the point. Your vehicle should be covered by your standard 3yrs/36,000 mile warranty. Before doing anything else you need to take it to your dealer and have them address the issue. This...