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I have a 2001 gmc Sonoma put a new fuel pump in and motor turns over but will not fire. Would there be a shut off on this or is it a low oil pressure switch?

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  • 87 Answers

It could be alarm put key forward for 30 min then start make sure batt full

Posted on Oct 15, 2015

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6ya6ya
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Posted on Jan 02, 2017

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maklean
  • 1665 Answers

SOURCE: 1988 Trooper 2.6L 4ZE1 I

It is an electro-magnetic switch valve whereby an oil pressure press is actuated when a desired pressure is attained

Posted on Aug 11, 2008

  • 231 Answers

SOURCE: 2001 GMC Sonoma Engine stopped while driving

sounds like it could be plugged injectors or a timing problem.

Posted on Oct 27, 2008

dennymulford
  • 1055 Answers

SOURCE: 1998 GMC Sierra- runs rough then stalls when

had this problem on my neighbors 98 chevy truck with the same engine !!
it turnd out too be the fuel pressure regulator,you have too pull the upper intake too replace it!!

Posted on Jun 06, 2009

  • 617 Answers

SOURCE: what is the fuel pump pressure for a vortec 4.3l

2.2L Vin 4.... 41-47 psi Ignition switch is on and fuel pump running
2.2L Vin 5 ... 55-60 psi " "
4.3L Vin W .. 60-66 psi " "
4.3L Vin X ... 60-66 psi " "

Posted on Feb 07, 2010

  • 409 Answers

SOURCE: 1988 silverado, tbi 350 has 12 psi fuel pressure,

Fuel pressure is a little low, check the pressure regulator, and the fuel filter

Posted on Mar 09, 2010

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My 2001 GMC LB7,abruptly shut off...Will crank,but will not start


Check the oil first, the low oil sensor will disable the ignition if more than a quart low. Miles on this truck warrant a new fuel pump and fuel filter. GM fuel pumps, don't handle Methenol Fuel very well.(water).

Jun 08, 2017 | GMC Cars & Trucks

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How do I remove oil pan on a 2001 gmc Sonoma pick up truck to replace gasket


1993 GMC SONOMA 2.6 CYL V6 NOT 4x4 OIL PAN ...

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Mar 18, 2011 - How to change oil pan gasket for 2001 sonoma, can i get away with just raising the engine two inches to ... 2001 GMC Sonoma • 4 cylinder 2WD Automatic • 150,000 miles ... You need to remove the engine to get the sump off.

Nov 28, 2015 | GMC Cars & Trucks

1 Answer

2001 sonoma won't start, turns over. Got spark . won't evan fire. frozen gas line??? fuel pump?? fuel disconnect switch??


Spray some carb.cleaner or brake cleaner into the throttle body and if it starts and runs for a few seconds then it is a fuel problem.G.M.vehicles do not have fuel shut off switches.You can check the gray wire at the fuel pump connector and see if you have power with a test light.When you turn the key to the on position the test light should light for 2 seconds then go off.If there is any way you can check fuel pressure that would be the best way to check the fuel pump.The specs are 60-66 psi.Hope this helps and let me know what you come up with or if you need more help.Good luck.

Jan 25, 2011 | 2001 GMC Sonoma Extended Cab

1 Answer

1989 gmc SIERRA DOES NOT START. HAVE HAD A NEW FUEL PUMP PUT IN RECENTLY. IF THE OIL LEVEL IS TOO LOW CAN THIS BE A CAUSE? DOEW IT HAVE AN AUTO SHUT DOWN IF THE OIL IS TOO LOW?


Hello George.

When starting up your pickup the computer activates the fuel pump relay as long as it is cranking.
When the engine starts it builds up oil pressure. This pressure activates a switch that applies 12VDC to the fuel pump.
So regardless of oil pressure it should fire up when cranking and then shut off momentarily after if no oil pressure develops.
This should address your question.

Basic diagnostics are needed here George. Check fuel pressure and ignition to begin and then home in on the problem.
Unfortunately I could not begin to hazard a guess at this point what it is as it could be anything.

Thank you for using FixYa.

KL

Nov 22, 2010 | 1998 GMC Sierra

1 Answer

I have a 2001 GMC Sonoma 4.3L that stalled while driving. Will turn over but wont start. Have spark, new battery, and the back spark plugs are dry. No error codes. Has fuel to manifold.


SOUND LIKE FUEL PUMP BAD. CHECK FUEL PUMP RELAY AND FUSE.MAKE SURE YOUR ENGINE IS NOT OVERHEATING.SCAN IT FOR IDLE SPEED CONTROL AND ENGINE COOLANT TEMPERATURE SENSOR FAULTS.

May 12, 2010 | 2001 GMC Sonoma Extended Cab

1 Answer

2001 GMC Sonoma Ext cab 4.3l, quit while running


Pull plug wire and install a philips screwdriver into the plug wire get it 1/4 inch away from a good ground and crank the engine over, is there spark? if so check that you have fuel pressure buy renting a fuel pressure test kit from schucks or auto zone and turn the Key to run position with the gage hooked up, it should read 50 PSI turn key off and wait 20 seconds should still have 20 PSI of fuel pressure, if no fuel pressure check fuel pump relay, then check fuse to pump. if you have a bad relay and are not getting fuel then check the oil pressure switch to see if you have oil pressure at the switch if no pressure then the oil pressure safety switch has died and needs to be replaced and should stark after replacing. If you have fuel then check the timing to see if you slipped timing belt.

Jun 12, 2009 | 2001 GMC Sonoma Extended Cab

2 Answers

2001 gmc sonoma fuel pumpeplaced,ot starting now


check to see if you removed the fuel pump solenoid, which is one of the steps you should have done when changing the pump.

Jan 15, 2009 | 2001 GMC Sonoma Extended Cab

5 Answers

2001 GMC Sonoma Engine stopped while driving


sounds like it could be plugged injectors or a timing problem.

Oct 27, 2008 | 2001 GMC Sonoma Extended Cab

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