Question about 1985 Oldsmobile Calais

3 Answers

Fuel delivery problem

The car dies going around corners and going up hills.
I have replace fuel pump and filter. The problem has been getting worse. Now the car will die just going down the road.

I have tried or investigated everything I can think of but have had no luck with anything. If someone could give me some ideas I would be extremely greatful.

Ronnie

Posted by on

  • TreasaMM Aug 21, 2008

    I am still having the problem. The vacuum lines have been replaced as well as the fuel pump. The car has electronic fuel injection. All hoses have been checked for vacuum leaks and are all tight.

    I am still at a lose. Thank you for any other directions I can look



    Terri

×

3 Answers

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

    Genius:

    An expert who has answered 1,000 questions.

  • Master
  • 1,198 Answers

There usually is a strainer in the gas tank. After 23 years, anything is possible. If you have a carburetor, replace it, or have it cleaned. If fuel injected, the big hose from the air filter could be damaged and shifting loose. If the engine doesn't see the right vacuum, it won't work right. Check all the little vacuum lines. Get a vacuum gauge, learn how to use it. Do a fuel flow test to see if your tank is clogged.

Posted on Aug 18, 2008

Since your problem shows up while cornering or climbing, suspect the gas tank pickup. Sometimes it's a rubber tube inside which could have broken off, and can't pickup except when the car is riding level. If you're lucky, there is an access from the trunk. The tank might be rusty by now, putting in a new tank would be safer and easier than fighting with old one. You want to get rid of this problem once and for all. Park the car on a steep angle or tilt and see if it dies while idling. If your fuel injection has a return line back to the tank, it should **** air real quick and die. Do this with a low tank. If you can, check fuel flow right after it dies. If it pumps air, the pickup is broken, if it pumps fuel slowly, you have a clogged filter, but that would stop the car even on level ground. Check for extra filters in the fuel line, they can be anywhere.

Posted on Aug 22, 2008

Since your problem shows up while cornering or climbing, suspect the gas tank pickup. Sometimes it's a rubber tube inside which could have broken off, and can't pickup except when the car is riding level. If you're lucky, there is an access from the trunk. The tank might be rusty by now, putting in a new tank would be safer and easier than fighting with old one. You want to get rid of this problem once and for all. Park the car on a steep angle or tilt and see if it dies while idling. If your fuel injection has a return line back to the tank, it should **** air real quick and die. Do this with a low tank. If you can, check fuel flow right after it dies. If it pumps air, the pickup is broken, if it pumps fuel slowly, you have a clogged filter, but that would stop the car even on level ground. Check for extra filters in the fuel line, they can be anywhere.

Posted on Aug 22, 2008

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Truck loses power, can splutter, and really noticeable around corners, bumps and up, down hills. We have cleaned fuel tank and lines, fuel filter but problem still there.


If you are positive that the problem does not lie with the fuel delivery, then you might have an intermittent connection somewhere in the ignition system. Did you check all the connections? Coil(s)?

Sep 06, 2015 | Cars & Trucks

1 Answer

When i start my mach 1 it runs fine when i use it for 5 to ten minets then when i go up a hill it bogs down and doesnt move and will die


Sounds like either your fuel pump and or fuel filter is bad. Change fuel filter first and try the hill. If it still bogs down sounds like fuel pump is almost ready to die. Get a pressure test run on fuel pump.

If above does not work then it maybe maybe your catalytic converter. Have it checked. Good luck

Apr 01, 2015 | Cars & Trucks

1 Answer

My 2005 XC70 Volvo has started to cut out when going up hil at highway speeds


Weak spark or worn out plugs will manifest themselves more under heavy throttle operation, but the first thing we think of whenever someone mentions hills is fuel delivery volume, and the first suspect with low fuel delivery volume is the fuel filter. I would replace that filter before looking any further,
If that does not correct the problem, some more in-depth diagnostics of the fuel pump and the rest of the fuel delivery system will be in order.

May 15, 2011 | 2005 Volvo XC70

1 Answer

Drastic change in rpm on incline and dies while coasting


one of the things your car is famous for is bad fuel pumps ... if you frequently drive on a nearly empty tank then suspect that fuel pump .. they have a plastic impeller that depends on a continuous flow of fuel to keep cool .. if you are low on gas then it might capture some air as you go around corners or up a hill .. when that happens the impeller overheats and then you have problems until its replaced ..(not an easy job) ... you can have the fuel pump tested for voume and pressure .. if you never let the car get low on gas then that may not be the problem .. yoiu should also check or change the fuel filter ..

Jun 10, 2010 | 2003 Ford Taurus

1 Answer

Car was parked and running and just killed on its own and will not start. does this sound like the fuel pump or maybe fuel filter?


If the battery is strong and charged, starter is fine, car ran okay while getting progressively worse until it died and won't restart now, might be fuel filter or pump. I've dealt with two cars with fuel filter issues. Both would idle fine, but run progessively worse under load and eventually die and not start although everything else checked out. Engine turned fast enought to start, battery strong, alternator fine, air cleaner clean, all that. No start. Changed fuel filters and done. Everything back to normal. Both cars were about model year 1990 (1989 and 1991). Replaced one in a parking lot and car fired right back up and powered on home just fine, whereas the week leading up to it it ran worse and worse, hesitated on acceleration and finally would die if you hit the gas. Fuel filter may be in engine compartment. Looks like a canister with an in and an out for fuel. Pump is in gas tank and is way more work and money. Good luck, hope this helps.

Jan 30, 2010 | 2003 Pontiac Grand Am

1 Answer

Ive had alot of issues with my car. it began when the car didnt want to pull its self up hills and didnt want to go once i stopped. then it went further to where if i turned the wheel when i was trying to...


REPLACE FUEL PUMP RELAY AND FUSE + CHANGE FUEL FILTER.STOPPED UP FUEL FILTER WILL CAUSE LOW POWER GOING UP HILL.IF CAR STILL DONT CRANK.ALSO CHECK FUEL INJECTORS FUSE.ALSO YOU COULD HAVE BAD GAS.

Nov 10, 2009 | 1999 Kia Sportage

1 Answer

Replaced fuel pump, then car died on a hill after road trip


Try changing fuel filter. There could be one large one next to tank or inside frame rail.

Sep 23, 2009 | 1984 Ford F 150

2 Answers

Van dies while driving


I think you kinda allready hit the head on the nail Dodge Jeep all make **** fuel pumps is all there cars and truck sorry i got jeep and it did the same thing. Gaskets dry rot and fall into the tank clog the pump and it wil go on a straight road hit hill it act like heart attack . it act frist like your for few months then it get worse as goes on

Jul 26, 2009 | 1990 Buick Century

2 Answers

1988 Nissan Maxima/ Fuel Delivery


It might be the mass air flow sensor

Jul 02, 2008 | 1987 Nissan Maxima

Not finding what you are looking for?
Cars & Trucks Logo

242 people viewed this question

Ask a Question

Usually answered in minutes!

Top Oldsmobile Experts

yadayada
yadayada

Level 3 Expert

60541 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21927 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6811 Answers

Are you an Oldsmobile Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...