1990 Buick Regal fuel pump

CHRIS189.2

MEMBER
1990 BUICK REGAL

1990 Buick Regal 150 miles

Does the fuel pump pressure fluctuate as it is driven

Wednesday, January 13th, 2010 AT 3:37 PM

1 Reply

JDL

MECHANIC
16,098 POSTS

Welcome to the forum, at steady rpms, I don't think it should fluctuate. If the fuel pressure regulator is controled by engine vacuum, anything that effects engine vacuum, can effect fuel pressure. There could be other issues?

Was this

answer

helpful?

Yes

Wednesday, January 13th, 2010 AT 3:47 PM

Please login or register to post a reply.

Related Fuel System Fuel Pump Fuel Pressure Content

Losing Fuel Pressure

Engine Mechanical Problem 6 Cyl Front Wheel Drive Automatic 80000 Miles 98 Buick Regal 3800 Super Charge, Replaced The Fuel Pump, Fuel...

Asked by damaemma ·

2 ANSWERS

1 IMAGE

1998

BUICK REGAL

1988 Buick Regal Fuel Pressure

Fuel Pressure Goes To Within Specs As Soon As Key Is Turned On, But, Drops To Zero Imediately. The Pressure Is Ok At Idle But Can't Keep Up...

Asked by Ty Vaughn ·

1 ANSWER

1988

BUICK REGAL

1997 Buick Regal Fuel Pump

Its A Super Charged 3.8 Litre Put A New Fuel Pump In And It Seems The Power Is Cutting Out After It Runs, I Have 53lbs Of Fuel Pressure And...

Asked by nightflyer ·

4 ANSWERS

1997

BUICK REGAL

1988 Buick Regal Fuel Delivery

Old Question. Fuel Pressure Goes To Within Specs As Soon As Key Is Turned On, But, Drops To Zero Immediately. The Pressure Is Ok At Idle But...

Asked by Ty Vaughn ·

2 ANSWERS

1988

BUICK REGAL

Replace Fuel Pump

I Have A 94 Buik Regall With 278,000 Miles Runs Like A Top Untill This Fall It Died And Will Not Restart. I Have Narrowed It Down To The...

Asked by Gen Mech ·

2 ANSWERS

BUICK REGAL

Ask a Car Question. It's Free!

Fuel Pump Replacement

Engine Not Starting

How to fix an engine that wont start