How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Dave Nova Your Own Question
Dave Nova
Dave Nova, Buick Technician
Category: Buick
Satisfied Customers: 1808
Experience:  ASE Master Certification. GM World Class Certification
11042942
Type Your Buick Question Here...
Dave Nova is online now
A new question is answered every 9 seconds

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?