1991 Cadillac DeVille "fuel pump pressure 1990" Questions

Ad

...of a 1990 cadillac deville. Get it running for a bit and then it acts like it is vapor locking. have already replaced fuel relay, fuel pump, sock and filter.... check ...

Ad

...parket for 5 years put a new fuel pump in it it wont start i pour gas in the intake it starts it wont stay runing can you help me ck fuel pump relay or fuse??ck injector pauls,,,ck fuel

Ad

fuel pump, filters, 1990 deville, I have replaced the ecm, fuel pump, filters, relay..still no fuel to rail. Fuel sentry is reading 8 gals, then goes to a flashing "E". wow...BIG problem...I'd say you

...overloading with gas i replaced the fuel pump and filter,ever since it has been fouling out plugs,missing and drinking gas replace fuel injectors. it is possible that fuel pressure regulator is ...

...sounds like has no gas, I had give it a little gas to get it to start, and when it starts it has a puff of smoke comes tail pipe and smells like gas? Failed fuel pump -check the pressure at the ...

Question about Cadillac DeVille

2 Answers

...fuel pump is not pumping fuel, all fuses are good, sat for awhile, runs if you dump fuel in intake, 30 seconds Hello, did you check the fuel pump relay also? It is in position H in the fuse box under ...

...fuel pump come on once I start the ignition, but it will continue to crank without turning on. I had the alternator and starter checked and they are in excellent condition. Once I lift the carburator ...

...fuel pump wires. I am working alone so it's hard to check if fuel pump powers up when key is in on position and to check fuel pressure at the fuel rail but what's confusing is the car ...

...fuel pump is original to the car & I woulddoubt it,then that is the problemDoes the fuel pressure drop before it shuts offI like to road test with the gauge taped to windshieldor tied to a wiper ...

Question about Cadillac DeVille

1 Answer

...fuel pump, air temp sensor,o2sensor,map sensor, intake manifold gaskets, fuel filter ,computer,strainer in fuel tank,radiator ,water pump,ect. getting codes f49 and f48 ..car stalls and is also very ...

Not finding what you are looking for?
1991 Cadillac DeVille Logo

779 questions posted

Ask a Question

Usually answered in minutes!

Popular Products

Top Cadillac Experts

ZJ Limited
ZJ Limited

Level 3 Expert

17989 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6988 Answers

Thomas Perkins
Thomas Perkins

Level 3 Expert

15088 Answers

Are you a Cadillac Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...