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Cadillac
Deville
Engine
Symptoms
Stall While Driving
Engine shuts off when transmission is shifted into drive or reverse
1990 CADILLAC DEVILLE
194,455 MILES • 4.5L • V8 • 2WD • AUTOMATIC
STEVEN GILL
MEMBER
1 POST
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Car is hard to start. But then idles fine once it warms up. Shuts off when it is put in drive or rev.
Feb 18, 2020 at 2:06 PM
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ASEMASTER6371
CERTIFIED EXPERT
52,796 POSTS
Good evening,
The first thing I would do is check the fuel pressure. It would explain both issues.
You can rent a tester at a parts store.
There is a motor on the throttle body that can cause the stalling going into gear. That could be the reason for this.
Roy
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Feb 18, 2020 at 4:07 PM