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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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1996 buick LT/1 roamaster wagon just dies while running new

Customer Question

1996 buick LT/1 roamaster wagon just dies while running new opti new coil new wires new module
JA: Have you checked all the fuses? Do you have a wiring diagram?
Customer: yes no spark to plugs
JA: Are you fixing your Roadmaster yourself? What have you tried so far?
Customer: new opti spark dist new coil new wires new ign module
JA: Anything else you want the mechanic to know before I connect you?
Customer: happened once before
Submitted: 9 months ago.
Category: Buick
Expert:  Amedee replied 9 months ago.

Hello and welcome!

My name isCustomerand I can assist you with your question.

Expert:  Amedee replied 9 months ago.

Does the engine start right back up after it stalls out or does it just crank over and not start?

Are there any codes on the computer?

Are you looking for possible causes?

Customer: replied 9 months ago.
p0372 code my dads car 84yrs old i can't let him drive it like this
Customer: replied 9 months ago.
im not home and not by the car
Customer: replied 9 months ago.
will be there tomorrow
Customer: replied 9 months ago.
sometimes starts back up 30 - 60 min later
Customer: replied 9 months ago.
runs great after it starts just quits driving down the road
Expert:  Amedee replied 9 months ago.

Thank you for that information.

So after it stalls out, it may just crank over but not start?

Customer: replied 9 months ago.
yep just turns over does not start
Expert:  Amedee replied 9 months ago.

Ok, when the engine cranks over and does not start, we need to check for spark and fuel. We need to narrow it down to an ignition related issue oe a fuel delivery concern. It could be an issue with the computer system or it might be something as simple as a bad ignition switch or bad connection. Do you know how to check for spark and fuel or would you like me to send over some information on how to test these systems?

Customer: replied 9 months ago.
sorry i did get a chance to look at email yesterday yes it had fuel pressure high 40's on a gauge while cranking no spark at plug #1 plug out and holding on ground
Expert:  Amedee replied 9 months ago.

Does the coil and module have battery voltage when cranking when this occurs?

Customer: replied 9 months ago.
which wires on the coil and module should have voltage
Expert:  Amedee replied 9 months ago.

It would be the pink wire at the coil and module that get voltage.