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2003 buick regal wont start. It cranks but wont fire up. Would it be the fuel pump?

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  • Cars & Trucks Expert
  • 259 Answers

It could be a few things if it's petrol need to check if u got a spark if no spark could be a crank sensor if no fuel could be fuel pump could be a broken wire or immobiliser fault . If fuel low it could also be the pick up in the tank might be split or broke so can't pick up fuel. Hope this helps

Posted on Nov 22, 2014

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 29 Answers

SOURCE: starts then dies

check your fuel pump relay 

Posted on Mar 06, 2009

  • 12 Answers

SOURCE: 2002 chevy express 3500 turns over but wont start,

CHECK YOUR CRANK SENSOR AND CAM SENSOR.

Posted on Jul 29, 2009

  • 3 Answers

SOURCE: buick regal 92 3.8L Horrible fuel mileage

Sounds like you might have an oxygen sensor problem. Your catalytic converter(s) maybe defective or dirty. That in turn can dirty up the oxygen sensor. A defective oxygen sensor will send faulty info to the computer, interpreting the fumes as cold (even when the engine warms up). That causes the computer to adjust the fuel mixture to very rich, giving you poor gas mileage and the fuel smell. Hope it helps.

Posted on Mar 16, 2010

techbuster
  • 5081 Answers

SOURCE: How do I replace a fuel pump on a 1993 Buick Rega?

Follow the steps given below:

  1. Disconnect battery.
  2. Relieve fuel pressure.
  3. Remove tank from car.
  4. Use compressed air to clean the tank, then spray with oil from an aerosol can to reduce the likelihood of combustion.
  5. Use a hammer and brass drift, turn the lock ring counterclockwise to unlock.
  6. Lift the tank unit upwards out of the tank. Tilt as needed to avoid bending the sender float. Fold the pickup screen if needed.
  7. Look inside the tank for and sediment or flotsam that may need to be removed.
  8. Unplug the tank unit to pump electrical connector.
  9. Unclamp the pump to tank unit hose and replace pump and hose.
  10. Install as reverse of above.

Posted on Mar 21, 2010

  • 355 Answers

SOURCE: 2003 buick regal security light stays on and

The TDM in the security system (VATS/PassKey) is having problems, it's typical on those cars and it will get worse till the car wont start anymore. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

Posted on Jul 16, 2010

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1 Answer

So my fuel pump has been making a high pitched noise for a while. Then one day, without warning, I tried to start the car but it wouldn't. It cranked but would not start. I turned the car on (not start)...


I looked at info for 3.1L vinM Buick regal. fuel pressure key on engine off, 40.5--47 psi. Can you check the vin? The fuel pressure specs I have for 3.8L engine are even higher than the 3.1L.
You will get a fuel pump prime, key on engine off. You need to make sure fuel pump runs with engine cranking.
My hearing is no good, I can't hear fuel pump with engine cranking.
Sometimes If fuel pump brushes are bad, the fuel pump may run intermittently. Sometimes you can bang on bottom of gas tank when trying to start and the fuel pump will take off running.

Apr 15, 2017 | Buick Regal Cars & Trucks

1 Answer

Hard Start When Cold 01 Bucik Regal


Did you check the fuel pump relay ?
You would need to use a fuel pressure gauge and check pressure before you crank the engine.
When you turn the key switch on, the pump relay is supposed to provide power for 3 seconds to boost fuel pressure.
If fuel pressure is ok, the coolant temp sensor could be telling the computer the engine is warmer than it really is.

Apr 03, 2013 | 2001 Buick Regal

1 Answer

1989 Buick intermitent engine problem Buick Regal 3.1 V6 8th vin. T in nostart condition no fire @plugs no fuel pressure when cranking . Replaced : crank sensor ECM Ignition module ignition switch...


You did'nt say if you have had the car (Scanned) to see if the engine control Module has stored any fault codes. You say it runs 20 miles or so before it quits. After cooling does it alawys start back up? What have you been doing to get it running again? The ECM can warm up and quit. It'll get an Troblem code about though. The no spark at the time sort of removes the Cat converter overheating and the ingtion Module ( (the coils are mounted to it). Something getting too hot is likly. Crank sensers and cam sensers both wil do this the crank senser is on the back of the block just above the oil pan. The cam sewnser is underneath the power steering pump and the connector going to it is on top of the front valve cover on the passenger side. Crank sensers will not code and still be bad. Computers if they come back on ever they will code most any problem and the code name is Quad driver failure.

Jul 23, 2011 | 1989 Buick Regal

1 Answer

I have a 1987 buick regal grand national.. It wont start just cranks i have no injector pulse and the fuel pump isnt coming on. I jumperd the fuel pump relay and the pump comes on. all fuese are good, fuel...


Class car man.Try the crank position sensor it controlls the ignition and fuel delivery by sending information to the ecu in relation to the position of the crank-cam.

Mar 08, 2010 | 1987 Buick Regal

1 Answer

I have a 1999 Buick Regal ls car run out of gas


A couple of possibilities. 1st, check to see that the fuel pump is working. When you turn the key to on position (not all the way to crank the engine over), can you hear the pump? You should hear a humming sound from the gas tank . The fuel in the tank actually keeps the fuel pump from overheating. It is possible the pump is shot. It would be a good idea to change the fuel filter, as it may be plugged up from sediment from the bottom of the tank.

Jun 28, 2009 | 1999 Buick Regal

1 Answer

My car is cranking but not firing up, i've already put a new altinator, and battery, i was told the problem could be the fuel pump. I need to know where the fuel pump relay fuse is located, and also...


1985 buick somerset regal with 4 cyl. feul pump relay is mounted near back of passenger side strut tower top. if you are in front of vehicle it should be the right hand relay of the two.

Aug 13, 2008 | 1985 Buick Somerset

1 Answer

2000 buick regal hard to start


if this car is been sitting, the battery might be low or dead, but if not,
then,
you know your question confuse me a little be, because if your car won't turn, that has nothing to do with the filter, but if the car crank but wont start then it migh be a bad fuel pump, the way to fin that is, by aplying some flamable brake or carburetor cleaner to the intake, then if the car starts or try to, most likelly your fuel pump is gone.

May 28, 2008 | 2000 Buick Regal

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