No, a stuck open thermostat cannot cause rough idle. However, lack of coolant or coolant entering the combustion chamber can lead to this issue. When …

No, you cannot replace 275/60R20 tires with 275/55R20 tires as it is unsafe and illegal. It is important to have the correct size tires for …

Yes, installing a cold air intake can cause the check engine light to come on due to changes in the air-to-fuel ratio. Aftermarket air intakes …

No, you cannot put Lucas Transmission Fix in engine oil. Mixing transmission fix with engine oil can cause serious damage to the engine and lead …

Yes, bad struts can cause shaking when braking as problems with the strut assembly can lead to vibrations in the vehicle. This shaking can be …

No, bad valve seals cannot cause blowby. Blowby occurs when combustion gases pass the piston rings and enter the crankcase. However, worn valve stem seals …

Aluminum can be used as a ground, along with copper-clad aluminum, as long as it is not in contact with masonry or the earth. This …

Yes, you can run 15W40 in a 6.7 Powerstroke as long as it meets the requirements of the approved list and is used with a …

Yes, heavy rain can cause the check engine light to come on. When rainwater enters parts of the engine that should not get wet, it …

No, you cannot use 0W30 instead of 0W20 without any issues. While it may not cause immediate problems, using a different viscosity oil than what …