Turning on heater causes car to lose rpms and stall
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Senior Member
iTrader: (2)
Joined: Dec 2007
Posts: 990
Likes: 6
From: Virginia
Car: 1992 Firebird
Engine: 350TBI
Transmission: 700r4
Axle/Gears: Ford 9in 4.10
Turning on heater causes car to lose rpms and stall
Not really any idea what it is.
Does my heater blower need to be replaced? im confused
Does my heater blower need to be replaced? im confused

Supreme Member
iTrader: (3)
Joined: Nov 2001
Posts: 2,428
Likes: 2
From: Fairview Heights Illinois
Car: 1986 Irocz
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.25:1
Re: Turning on heater causes car to lose rpms and stall
I'm thinking faulty vacuum switch behind the heater control, - well unless it's some kind of electrical short, but then there'd be smoke or smell.
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