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engines

Hi Jo: Unfortunately, we need more specific information about your vehicle in order to recommend a service or to guess as to what's going on with your vehicle. If the engine is low on oil (https://www.yourmechanic.com/services/oil-level-is-low-inspection) it tends to make...

Hello there, many different faults may be causing your 1988 Chevrolet C2500 not to shift. The most common would be low transmission fluid (https://www.yourmechanic.com/services/transmission-fluid-service), shift linkage, transmission range sensor (https://www.yourmechanic.com/services/transmission-speed-sensor-replacement), shift solenoid (https://www.yourmechanic.com/services/downshift-solenoid-replacement), or a mechanical transmission fault. Have a...

There are many reasons why your car may not start. Some common causes include a dead battery (https://www.yourmechanic.com/services/battery-replacement), faulty starter (https://www.yourmechanic.com/services/starter-replacement) or starter relay (https://www.yourmechanic.com/services/starter-relay-replacement), fuel pump issues (https://www.yourmechanic.com/services/fuel-pump-replacement), clogged fuel filter (https://www.yourmechanic.com/services/fuel-filter-replacement), and computer or sensor issues depending on...

The engine coolant temperature sensor should be located on the radiator hose fitting on the front of the engine. The connector is locked in place by a clip lock on the connector housing that needs to be depressed at the...

There are some technical bulletins for replacing the ECU on your 2005 Kia Amanti for drivability problems. With what you said, what they want to do is along these lines. They may be able to reprogram the computer or need...

The first thing to do is to remove all the spark plugs (https://www.yourmechanic.com/services/spark-plugs-replacement), air filter (https://www.yourmechanic.com/services/air-filter-replacement), and check the engine oil to see if it has not been overfilled. Then turn over the motor to see if it will turn....

Check to see if the cooling fan clutch (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-fan-clutch) is fully engaging when the engine is heating up. You can test this by putting a tissue in front of the radiator or condenser to see if the fan flow is...

Hello. It sounds like you have interference motor that will need to be replaced. An interference motor is one that has very tight valve clearance between the cylinder head and the engine piston. If the timing belt breaks in this...

Ticking is usually valve train related. Your engine has hydraulic lifters, they are self adjusting. One thing that can go wrong is the rocker stud can pull out of the head. They are pressed in originally. Check the nuts have...

A ticking noise sounds like a bad valve lash adjuster and is a common problem with these cars. I would have a technician inspect the noise from your engine (https://www.yourmechanic.com/services/noise-from-engine-or-exhaust-inspection).

Hey there. This involves the often heard notion and fallacy of "perpetual motion." Yes, if you or something imparts a big enough force to a powerful enough rubber band you can actuate a piston. But due to the Law of...

You cannot use the engine and transmission combination in your vehicle. Your vehicle is not AWD and the two computer systems are not the same. The two have different wire harnesses as well as different body designs. I recommend not...

During normal engine operation, all engines use oil to lubricate all of the internal moving parts of the engine like the bearings, camshaft, crankshaft, timing chain, valves, lifters, piston rods, and piston rings. There are two different ways that the...

A few different faults can cause the vehicle to go into a limp mode. The ECU puts the car into this mode to prevent damage and will be associated with a Check Engine Light. The most likely causes are a...

Hello, thanks for writing in about your Dodge Ram 1500. If you pulled the cylinder 4 plug wire and the noise got quieter then this is an indication that you have a bad rod bearing or piston pin on the...

Based on your description, it sounds like your 2007 Mercedes GL450's fuel pump may be randomly shutting off. This can be due to a malfunctioning powertrain control module (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-engine-control-module-ecm) as the repair shop told you. This can also be related...

Your engine is an interference motor and will get damaged if the belt breaks. You can contact another mechanic, like one from YourMechanic, who can check and replace the timing belt (https://www.yourmechanic.com/services/timing-belt-replacement) for you.

Some ticking noises can be normal. The fuel injectors do make a ticking noise as part of their normal operation and depending on the vehicle can be heard louder than usual. I would ask for help from one of the...

Hello. There are a few possibilities that could be causing the noise you are hearing. Some of the possible causes include: pieces of the catalytic converter could be rattling in the exhaust, broken baffles in the muffler, a loose flap...

Hello. The sound of ticking is not normal in most cases. A technician will have to listen to the ticking sound in person to determine if the noise is normal or not. Oftentimes a ticking sound can occur from low-grade...