For an example, Chevrolet has that feature built into the oil filter housing. If the engine demands more oil than the filter can pass, the oil filter is by-passed thru a relief valve designed into the engine.
Plugged air/fuel filter? Plugged catalytic converter?
Plugged fuel or air filter? Plugged catalytic converter?
A plugged fuel filter, A plugged catalytic converter,
Could be a plugged fuel filter or a plugged catalytic converter.
Could be a restricted exhaust (plugged cat), restricted intake (plugged air filter), restricted fuel system (plugged fuel filter).
Plugged filter, or a failed engine.
bad ignition. plugged air filter. main bearings are bad.
It could be several things . The carb is not getting enough fuel or the ignition is shorting out when the engine gets hot . The fuel filter is plugged , the air filter is plugged .
Plugged fuel/air filter? Plugged catalytic converter? Engine timing? Check EGR Valve
Weak fuel pump? Bad fuel pump? Plugged fuel filter? Plugged air filter? Bad ignition coil? plugged catalytic converter?
Could be plugged fuel filter, sticking float:Change fuel filter, clean carb.
Plugged air/fuel filter? Plugged catalytic converter?