Question about GMC Sonoma

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TRUCK STARTS AND IDELS FINE,WHEN TAKING OFF MOTOR SPUTTERS AND PAUSES TILL ACCELERATOR IS A CERTAIN POSSSTION

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  • 887 Answers

You need a new throttle position sensor or mass air flow sensor.

Posted on Nov 22, 2013

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Posted on Jan 02, 2017

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SOURCE: Rough idle, Car shakes, sputters and misfires upon acceleration

It sounds like you may have a problem feeding the fuel to your engine, I had the same problem with my 89 RS. All the 1989 model's fuel systems were recalled. I think you may need a new fuel pump. The fuel pump is located inside the gas tank in the rear of the car right under the rear axle. The fuel pump itself isn't too expensive, but with other small parts such as the electrical harness upgrade and fuel filter and the labor you should be looking somewhere in the $500 range. I hope this helps.

Posted on Jan 12, 2009

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SOURCE: 1992 4runner idels rough sometimes

Check the intake hose to make sure that it doesn't have a whole in it also check the air box that the filter goes in also. Mine was idling rough also and we found a whole in the filter box and the intake hose had a whole in it. Hope this helps.

Posted on Feb 26, 2010

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SOURCE: From red light truck started sputtering and and stalled out

Hello. The GMC Sierra has an electric fuel pump so you should ensure that its fuses and relays are working before checking it. You may need to clean your fuel pump or replace it if your gas tank is not empty, but your vehicle has difficulty getting fuel. The GMC Sierra comes in a variety of styles and trim levels that can affect the replacement fuel pump you choose.

Posted on Mar 02, 2010

  • 1024 Answers

SOURCE: 1993 f150 302 startes fine idels fine backfires when taking off

engine can be out of time
low fuel pressure
or can be a burn valve
need to check ignition timing and fuel pressure to see if they are ok first

Posted on Mar 09, 2010

  • 1 Answer

SOURCE: Chevy truck sputters/hesitates when I press the throttle

My First thought is fuel injectors pull off your air intake and airfilter cover spacer. start your engine look at the injectors you should see i steady stream of fuel spraying in. if you don't replace your fuel filter, injectors. If you can try to make sure your fuel lines isnt clogged.

Posted on Apr 21, 2010

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Rough idle, Car shakes, sputters and misfires upon acceleration


It sounds like you may have a problem feeding the fuel to your engine, I had the same problem with my 89 RS. All the 1989 model's fuel systems were recalled. I think you may need a new fuel pump. The fuel pump is located inside the gas tank in the rear of the car right under the rear axle. The fuel pump itself isn't too expensive, but with other small parts such as the electrical harness upgrade and fuel filter and the labor you should be looking somewhere in the $500 range. I hope this helps.

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