Buick GS 400 service by top-rated mechanics at the convenience of your home or office

Cold weather causes plastic and rubber components to contract. The intake manifold on my truck would expand and contract every winter, setting P0171 and P0174 lean codes. Then finally, this past winter, the manifold cracked (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-intake-manifold-gaskets). My guess is that...

Your car doesn't have a timing belt, so it's not likely that it has "Jumped time." But if the car was low on coolant and overheating, it doesn't take much driving to do some engine damage. So it could be...

Hi there - yes, this is a very large engine, in a moderately-sized place, with lots of heat transfer issues! As you suggest, heat shields, or wrapping the exhaust manifold (headers?) with "heat wrap" to keep the heat inside the...

Hello, thank you for writing in. The crankshaft position sensor is located on the front of the engine. The hardest part is locating the sensor and removing in within tight quarters. You will find the sensor next to the drive...