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Dave Nova
Dave Nova, Buick Technician
Category: Buick
Satisfied Customers: 1808
Experience:  ASE Master Certification. GM World Class Certification
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1998 buick regal wont stay running fuel pressure constant 50

Customer Question

1998 buick regal wont stay running fuel pressure constant 50 lbs. while cranking tach does flucuate but car shuts off
JA: How many miles are on the vehicle? And when was it last serviced?
Customer: serviced all the time mileage is 270000
JA: Are you fixing your Regal yourself? What have you tried so far?
Customer: yes repairing myself. i checked mass air flow by unplugging fuel pressure good sprayed carb cleaner in intake once it starts but still shuts off security light turns on and off with key cycle
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 4 months ago.
Category: Buick
Expert:  john aka eauto replied 4 months ago.

is it losing spark or injector pulse?