The thermostat may be stuck open
engine backfire during cranking.
There could be numerous reasons why a Suburban is making engine noise at start up. It could be anything from a blown gasket to a spark plug. A mechanic will be able to find out the cause of the noise.
it could cause heat and excessive heat could affect the sperm production.
check ecm fuse
burned out bulb, blown fuse, wiring
a bad water pump could cause low heat. The heater uses the coolant from the pump to generate heat.
Heat!
i have no heat in my 1994 mercury grand marquis. what could cause the heat to stop working
Thermostat stuck open. Replace! A low coolant level will also cause this problem. The blend door could be stuck also.
Sounds like a brake problem. Need to pull wheels and check the brakes.
your throttle body could be sticking i'd start by cleaning that
YES. Bad fuel pump pressure can cause that problem too.