MY 1990 FLEETWOOD SHUTS OFF WHEN I TURN THE HEAT OR AIR ON
1990 Cadillac Fleetwood
The idle changes and its like the motor works ten times harder
Friday, October 28th, 2011 AT 1:59 AM
The engine does have to work harder if the AC is turned on.
With the engine running, make sure the coil is still receiving a minimum of 12.8Volts. Also check the heating and cooling system grounds. How long has it been since the engine had a tune-up? Or the air filter and fuel filter were replaced?