Popular questions

There are two different crankshaft position sensors on your vehicle, one designated "A" and the other "B". Both of these sensors are mounted to the engine block. The two circuits that you are referring to run from the sensors (the...

Hello. This commonly occurs due to the fact that this engine is underpowered. The smaller engine in your vehicle has a problem maintaining speed which causes this fluctuation. I have seen a lot of complaints on this vehicle for this....

P0717 is derived from engine speed (usually sensor counting flywheel revolutions), not necessarily sensor in the transmission, and not vehicle speed sensor - different sensor. The engine speed sensor may have failed - independent of cruise control symptoms. Check cruise...

Disarming the anti-theft system can be accomplished in three easy steps: 1. Press the unlock button on the remote keyless entry (RKE) transmitter. 2. Place the key in the ignition, and turn the ignition to ON/RUN. 3. Wait 30 seconds....

Hello, there are a few areas to look at. Being a newer car, it should be checked for codes, as there might be a code leading to a fault. The fuel level sensor is read by the engine PCM and...

Hello, thank you for writing in. The most common reason an engine is shaking or vibrating, is because there is a misfire happening inside the cylinders. This may be a sign of a spark issue, fuel issue, or air intake...

Hello. There are multiple things that may cause loud noises when stepping on the gas pedal such as axles, valve lifters, and catalytic convertors. I suggest you have a technician inspect the vehicle since there are several things that may...

Hello and thank you for contacting YourMechanic. Pressurize the fuel system and check all of the lines for any fuel leaking. Then clean off the lines and use a flashlight to check for any pin holes or cracks on the...

The transmission temperature sensor does exactly as it sounds - it regulates the temperature of the transmission. This is an extremely important measurement of the health of your transmission as excessive heat can damage and shorten the lifespan of your...

The lack of acceleration or starting may be caused by many different things, but may be a sign of a failing throttle position sensor. The throttle position sensor (TPS) is a sensor used to monitor the throttle position of the...

Try to add about 3 to 4 quarts of oil to bring it up to full mark and then see if engine noise goes away. You may not have damaged engine yet. If noise continues after adding oil then you...

The origin of the noise on accelerating versus braking could be different (brakes can be the source of noise apart from, say, the engine). With regard to engine noise, does the noise occur when the car is parked as you...

The brake system Warning Light is located on the instrument panel. This light illuminates when the parking brake is engaged, when there is a problem with the brake system, or when the brake fluid is low. As soon as you...

Hi there. The oil leak needs to be found first. If it is leaking a lot of oil or if the oil filter is leaking, then the low oil level will cause these symptoms. Once the oil leak is found...

As a safety precaution do not park the vehicle in the garage until the problem is fixed. The gas tank is made out of plastic and you may have a leaking tank or fuel line. The easiest thing to check...

You should have the oil filter removed to see if it was double gasket-ed when the oil change was done. This means the old filter gasket did not come off and when new filter was put on it did not...

Hi, thanks for writing in. I'd be happy to help. The P0456 code is for a small leak and the only way to find such a small leak is to have the system pressurized using the test port under the...

For your safety, your truck is equipped with a parking brake. The parking brake is an extra measure to make sure your vehicle stays in place, especially when on a hill. To set the parking brake: Locate the parking...

That is possible. Depending on the brake options you have on the Econoline you either have a 3 cable assembly that runs to the rear brake drums or, if you have a 4 wheel anti-lock brake system, you may have...

Your windows can be opened in a number of ways – you can use the power window switch, or you can use the manual key in the driver side door lock. You can also use the remote to open your...

What you are describing sounds like a dirty or 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 at low speeds and...

Hi there. I would start with a compression test. It is common for there to be a valve issue with one or multiple valves with bad seats which will cause this. If it passes the compression test then the timing...

Hello. I will help you with your concern about the brakes on your 1996 Blazer. Of course, your vehicle has to be actually examined and fully diagnosed but what you are describing are common symptoms that occur when the brake...

The individual lines can be replaced but that is only worthwhile if there are no other faults with the rack. Also, inasmuch as the rack will probably have to be removed from the vehicle to replace an individual line, there...