Question about 2002 GMC Sonoma Extended Cab

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How do i reset my computer in my 02 gmc sonoma my fuel pump and gas gauge dont work and my radio is locked

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I dont think reseting is going to help you,I think you lost a conection at the fuel tank, that why your fuel pump and gages is not working,Im afraid there is no easy way to get to it except to drop the tank,and if you pump went out in the past and they did not upgrade the wireing that came with the pump you will have this problem,,as for the radio code is going to be a different problem

Posted on Jul 12, 2010

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  • GMC Master
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If you have engine codes and want to 'clear' them one must use an OBD-II scanner to dot his.

If your fuel pum and gas gauge do not work, they can be fixed by changing the in fuel tank fuel pump and the sending uniti along with the gas gauge which are close together in an assembly bolted together.

If you radio is locked go to the dealer to get the unlock code, assuming it powers up at all.

Did you just buy this car?

Posted on Jul 12, 2010

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--------

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1 Answer

03 gmc sonoma ,ran out of gas ,put in fuel,but know I start it ,wont start is it the fuel pump


yes it is probably fuel pump which is located in the gas tank. gas keeps pump from overheating. never let fuel level get too low in tank...

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1 Answer

02 gmc sanoma turns over but doesn't fire I replaced distributer,rotor,plugs,ignition coil,fuel filter, and the fuel pump turns on and the gas is getting to the fuel rails near the feul pressure sensor.


Check to see if you have compression on all cylinders. If you don't, replace the timing chain/belt. If you do check the ignition relay and fuse panel for blown fuses.

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1 Answer

Im having fuel issues and ive changed the fuel pump and it still isnt getting gas and i dont know where the fuse is or relay i dont know what im doing wrong


There could be an additional fuel pump located inside your gas tank. You didn't say what type of vehicle it is, but sometimes there are two fuel pumps, one is the pain in the **** inside the gas tank, the other is under the hood.

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1 Answer

My '02 Gmc sonoma will crank but not start I checked the distributer cap and cleaned it with no luck I also checked the plug wires for fray's but they seem ok. Pooring a cap of gas into the carburater will...


Yes and yes, first I would check fuses and relays for the pump and the injectors also you can jump the relay socket and see if the pump energizes. one other tip is to hit the bottom of the tank, sometimes the vibration will knock the pump from its stuck state. it still needs replaced

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1 Answer

2001 gmc sonoma,not getting gas


Have you checked for fuel in the fuel rail? If so have you checked the injectors. If the problem is located in the injectors then there are two possible problems:
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2...Your computer is not sending a injector cycle command to the injector. This could be caused by a faulty cam position sensor or a faulty computer.

Jan 17, 2009 | 2001 GMC Sonoma Extended Cab

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