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Chevy S10 - GMC S15 and Sonoma Fuel Pump and Fuel System

95 messages,  Last post on Jan 22, 2013 at 3:46 PM

You are in the Chevrolet S-10 & GMC S15 Sonoma Forum.

What is this discussion about? Chevrolet S-10, GMC Sonoma, Truck

Messages Page 7 of 10

#57 of 95 Something's Wrong! by danndann09

Jun 08, 2010 (3:46 pm)

okay guys.
my boyfriend owns a 1999 GMC Sonoma and he just recently started having problems out of it. He took his dad to work one day and while waiting he turned the truck off, five minutes later he tries to start it back and it won't do anything. Well, he's changed the fuel pump, checked the wires and many more things but it still will not work. Does anyone know what might be wrong with it? please message me back with anything that you could think of because at this point we would try anything just to get it fixed.
 
thanks! : )

#58 of 95 1992 S10 4.3 TBI problems by cudaman70

Jun 14, 2010 (9:59 am)

I have been trying to get a 92 S10 brought back to life for a friend of mine. The latest problem that I have found is the one side if the TBI shuts off for no reason. if I change the plug the problem follows that plug. And it is intermittent as to where it will throw fuel sometimes and then just stop. But it always follows that plug. I have check the wires form the plug to the harness where the wires go the the TBI. Has anyone every seen such a ploblem, and if so what did you do to fix it.

#59 of 95 Re: 1992 S10 4.3 TBI problems [cudaman70] by gonogo

Jun 15, 2010 (9:03 am)

Replying to: cudaman70 (Jun 14, 2010 9:59 am)
The ECM controls the injectors, try to find out if the signal is coming out of the ECM.

#60 of 95 97 S10 by aburge

Jul 25, 2010 (7:03 am)

have 97 S10 replaced fuel pump in april. last nite was running fine. stop at light and died. towed home.. only starts when throttle all way to floor. then runs like only on 1 cylinder real rough. it is 2.2 motor. can hear pump run. replaced filter. once starts will only run couple minutes. dies if you let off throttle. any ideas. money is tight.

#61 of 95 Re: 97 S10 [aburge] by gonogo

Jul 25, 2010 (8:03 am)

Replying to: aburge (Jul 25, 2010 7:03 am)
I would check fuel pressure, then you will know if the the pump is doing it's job. Aftermarket pumps have had a poor history.

#62 of 95 97 S10 fuel issues by tylerbing1

Jul 25, 2010 (10:25 am)

Hello all,
Have a friend who has a 1997 chevy S10 with 4.3L. Truck ran fine but my friend heard that fuel pumps went bad around 180000 kms, so he decided to replace the fuel pump even though it worked fine. He bought one off ebay after finding prices high and took to mechanic to install and changed filter aswell. Now truck puffs smoke and runs very rough to the point of stalling. Took back to mechanic to make sure all lines were hooked up and proper and he said it was but probably needs a tune up now. After mechanic changed wires, plugs, pcv, rotor and cap the truck ran the same and mechanic has no idea now. Mechanic says the fuel pump might have been bad. Now my friend is tight on funds and cant really afford another pump and has been using my spare vehicle . Is there any info i can use from anyone on possible problems or fixes and solutions. anything I can check, such as fuel pressure and such and where i would check these things. I just want to get his vehicle back on the road and my truck back in my driveway,lol . Thanks ahead

#63 of 95 Re: 97 S10 fuel issues [tylerbing1] by gonogo

Jul 26, 2010 (8:43 am)

Replying to: tylerbing1 (Jul 25, 2010 10:25 am)
The pump should have warranty, if not, well.

#64 of 95 Re: 2001- S-10 Fuel Gauge Erratic behavior [ken38] by rmdhcoleman

Aug 19, 2010 (6:58 pm)

Replying to: ken38 (Jul 17, 2007 11:25 am)
Your problem #2 with the ABS light going off and on could be an intermentant connection in the wiring or connector. I have had problems with mine in the wheel sensor connector. Your brakes will still work normally, but with the light on the ABS should not come on during severe braking, if your wheels lock up.

#65 of 95 S-10 by gilnh20

Aug 20, 2010 (10:10 am)

I HAVE A 1999 S-10
THE TRUCK IS REQALLY HARD TO START. IT WILL START EASILY WITH STARTER FLUID, WHEN YOU GET RUNNING, AND TAKE AIR BREQATHER OFF OF INTAKE IT STARTS RUNNING REALLY ROUGH AND DIES.
BIGGEST PROBLEM IS GETTING STARTED, AFTER STARTING RUNS FINE ANY IDEAS

Messages Page 7 of 10

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