Question about Saab 9 5

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Car quit running on hiway ,engine started and shut off,changed fuel filter, car started and shut off, hold accelleratercar keeps running. once moving in gear car seems to run strongwhen you stop you need to hold brake and gasdid put recycled gasin added dry gas and stp gas treatment

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Since gas filter is new, the fuel pressure regulator or throttle position sensor may be faulty. It would be best to run a diagnostic scan and see if there are any engine codes.

Posted on Sep 30, 2009

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I have a 93 K3500 with a 454. Truck was running fine, started no problem, ran great. Driving the other day, turn the corner and the engine quit. Cranked the engine, fired up for 2-3 seconds then quit, ...


Before starting the engine, the fuel pump should only run for a few seconds when the key is first turned, to pressurize the fuel system. Even though the pump appears to be running, you may either have not enough or too much pressure for the engine to keep running (fuel pump or pressure regulator). I think it may just be a coincidence the engine quit while turning a corner, but the gas in your tank may have been so low it sloshed away from what is likely a very old pump, starving it and causing it to failure.

Jul 03, 2017 | 1993 Chevrolet C1500

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My Ford Taurus V6 just quits running on the road


to find out what area the problem is see if there is spark then check for fuel to the injectors then see if the injectors are turning on see if it is a fuel problem spray starting fluid in the intake and see if it fires on that

Jun 15, 2012 | Ford Taurus Cars & Trucks

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How to change fuel filter on 2005 nissan armada


I would start by pulling the fuel pump fuse and starting the vehicle. This will get rid of the pressure on the fuel line. Once the vehicle will not start crank it over for about 10-15 seconds. Then the fuel filter is located under the brake booster on the drivers side. It has two hose clamps that hold it on. Remove the two hose clamps and replace the filter. Then install the fuel pump fuse. Turn the key to the on position and wait till you hear the fuel pump shut off. Turn the key off and repeat this step 3 times to build fuel pressure. Then you should be ready to go!

Nov 30, 2010 | 2005 Nissan Armada

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Engine died as I came to stop off hiway on off ramp, tried to start and engine would not turn over. Acted like it was flooded. left to get help and found oil cap off under hood latch area when I returned....


pumping the petal will not flood engine. Can u smell gas while trying to turn it over? can u pull a spark plug and smell fuel on it. You also do need to make sure you are getting fuel to the fuel rail first can u hear the pump come on when you turn key in the on position second with key on engine off see if fuel comes out of the port at the fuel rail careful contents under pressure.

Oct 02, 2010 | 1999 Dodge Caravan

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Having problems with 2002 chevy silverado 1500 won't stay running. cut out going down hiway then died will run a while then die is this the fuel pump


Start with the simple and replace the fuel filter first. If it was the fuel pump, and being electric. It would have not restarted again if the pump has gone bad. The fuel filter should be replaced every 1,500 miles or once a year to ensure that your fuel system is running 100% and will not burn out your fuel pump early due to extra heat generated from working harder then is should. Good luck and keep me posted.

Feb 22, 2010 | 2002 Chevrolet Silverado 1500

1 Answer

1998 gmc jimmy 4.3 vortec starts and runs but shuts down when reaching operating temperature.


Your fuel filter may be at it's life time and will need to be replaced. Start with the simple and replace that, the other thing also that would cause the engine to shut down would be a faulty oil pressure sending unit. What is the oil pressure on the dash when the engine shuts down. You need at least 8 PSI to have the engine stay running. Check your Fuel pressure at the shredder valve and you should be 62-65 PSI with the engine not running and fuel system energized, once the engine is running it should drop about 5PSI. The last thing that could cause this would be a bad ICM, once the ignition system heats up the ICM fails and the engine shuts down. A mentioned, start with the simple and replace the fuel filter and check your fuel pressure to ensure your fuel Sending unit has not gone bad and will need to be replaced. Good luck and keep me posted.

Jan 28, 2010 | 1998 GMC Jimmy

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Vehicle keeps stalling. Replaced fuel filter and altenator. It'll run good but when you come to a stop it'll stall. Is this the fuel filter??


I have had the same problem. I changed fuel filter, added fuel injector cleaner, still runs rough as hell at a idle. Didnt think it could be the fuel pump, because ran ok at hiway speeds, it only stalled when giving less gas, not more. So in theory I figured couldn't be fuel pump. I was so wrong. At hiway speeds you have inertia, engine is running faster already etc. Its the fuel pump. 90% of the time in GM cars thats what it is when it behaves this way.
to change the fuel pump:

In the tank, the following is a run down of how to replace it..

This is actualy a pretty involved repair. You have to have the car jacked up on all 4 corners, or up on a car lift. Disconnected battery, and it is recomended you have as much gas as posible drained from the tank. Then underneath the car you will find the tank with 2 staps holding it in place. Those staps should be taken off or at least out of the way while the tank is being supported. There are vacume lines, the fuel fill and vent lines, and the wiring harness that all have to be unhooked. Once you are sure that all lines are disconnected, drop the tank and pull to the side. Wash the top of the tank off, there will be dirt and rocks on top of it, and you need to get all of these out of the way. You will see where the wiring harness goes into the fuel sending unit. Around that peice is a slide ring that has to be gently hammered counter clockwise. Once it is free from its retaining clips, the fuel sending unit will have to be wiggled out very carefully. Once out, you will see the fuel pump mounted in line on the fuel sending unit. You will have to work out how its mounted in line, and get it off and unplugged. Reinstall the new fuel pump and reverse the procedure.
Parts needed:
Fuel Strainer
Fuel pump
Lock ring O-ring
Posibly the fuel sending unit if you were having problems with your gas gauge.

Hope this helps!

Jul 16, 2008 | 1991 Oldsmobile Cutlass Ciera

1 Answer

2001 Ford Explorer won't start!


This vehicle does not rely on anything but computer timing and fuel to stay running. With that in mind the computer relys on many sensors to judge the proper fuel mixture to keep the car running. The first place to look is the fuel system. If the pressure is low it may be the fuel pump or a blocked fuel filter. If the pressure is correct you would move on to checking the injectors. If all if right with the world on those two it becomes a bit harder. The engine timing relies on quite a few sensors, there is a sensor that replaces the distributor it can slip if the screw is loose and cause timing issues, there is the O2 sensors which from a cold start should hold the voltage high telling the car to provide fuel, it they hold the voltage short then the car will not provide enough fuel to keep the engine running.

You would need a tool to read the engine diagnostics, when you first start the truck the engine should report that it is in "open loop", and switch to "closed loop" when the O2 sensors reach the 600F operating temp that they need. If this does not happen check the sensors. If your tool does streams you can also pull a chart of the O2 output, at cold start it should be a straight line at the top of the chart, and switch to a sine wave with the average of the wave being zero once the system goes into closed loop.

Jun 25, 2008 | 2001 Ford Explorer Sport

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