Question about 1999 GMC Sonoma

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Finding the oil filter

99 gmc sonoma v6 4.3 fuel injected

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  • Anonymous Mar 18, 2014

    location of the fuel pump injection relay on a 1997 sonoma



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I responded to you original post, see it at the link below.

Posted on Jun 30, 2008


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I have a 1998 GMC Sonoma sls, with a 4.3 vortec engine. I've put a ton of new parts in. It's hard to start. Then when it does start. It will run for about one minute then dies. Why, and what's the possible...

Fuel. Check fuel pressure. Replace the fuel filter. When you do this and if you still have problems. Then go after the fuel injection. It is under the plenum on top of the engine. This is a pricey part. I would replace the fuel pressure regulator first(still under the plenum) then replace the spider injection, as they call it. But when you get in there and you see the plastic injector lines broken, replace it all.

Mar 15, 2015 | 1998 GMC Sonoma

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Cannot find fuel filter on my gmc sonoma 1995 4

On my 1996 it is mounted near the inside of the left frame rail just behind the drivers door. Hope that helps.

Jul 26, 2010 | 1995 GMC Sonoma

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1994 Sonoma: 1994 GMC Sanoma with 4.3 fuel injection. Idle spee...

that is un adjustable you would have to change the idle postion sensor

May 05, 2010 | 1994 GMC Sonoma

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Where do i put oil into my a/c compressor on my 99 gmc sonoma?

in the low pressure charging port. its more complicated than that. why do you think it needs oil. oil is only added after a component is replaced, and the amount of oil is known. you dont want too much oil.

Oct 09, 2009 | 1999 GMC Sonoma

1 Answer

Is it fuel pump again

Yes the fuel pump and some dirts might be in the fuel system (i.e. the tank, fuel hose, fuel filter)

Good luck.

rate this please

Jun 02, 2009 | 1999 GMC Sonoma

1 Answer

99 GMC sonoma will start with starting fluid then

The 99 GMC, when it acts up, check whether it has fuel and/or spark. It could be related to fuel pressure, available electrical power, ignition component/s.

May 31, 2009 | 1998 GMC Sierra

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