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

96 messages,  Last post on May 27, 2013 at 6:07 AM

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

Messages Page 6 of 10

#46 of 96 fuel line connection leak by dmartn149

Nov 16, 2009 (2:02 pm)

#47 of 96 fuel line connection leak by dmartn149

Nov 15, 2009 (4:24 pm)

Is anyone out there familiar with Chevy's plastic fuel line connection. I had to be towed home the other day due to a huge fuel leak under the cab. I slid under there today and found the hose to the filter loose. I pushed it back on and it seems really secure. Should I get the connector replaced? Do they wear out? I had parked in some loose gravel earlier, and had a little traction trouble when backing out. Is it possible that a piece of gravel hit the connector just right to unplug it? I hope someone can offer some guidance, as it is my wifes truck, and now she is afraid to drive it.
Thanks, Dan

#48 of 96 Re: fuel line connection leak [dmartn149] by gonogo

Nov 16, 2009 (10:11 am)

Replying to: dmartn149 (Nov 15, 2009 4:24 pm)
Buy a new filter, install the new filter using the plastic lock clip that comes in the filter kit for the plastic line end.

#49 of 96 Re: fuel line connection leak [gonogo] by dmartn149

Nov 16, 2009 (2:02 pm)

Replying to: gonogo (Nov 16, 2009 10:11 am)
Thanks. I didn't realize that the filters came with a new clip. I have only had the truck about 3mo. It seems tight now and doesn't leak, so maybe whoever changed the filter last time didn't get it plugged in all the way.

#50 of 96 Re: fuel filter connection to plastic line by vals

Dec 25, 2009 (8:26 am)

Replying to: dmartn149 (Nov 16, 2009 2:02 pm)
I have a 1997 chevy s10, 4 cyl. When I went to change the fuel filter, it came off from the plastic line with a slight resistance. The filter is old, and it appears to have a tiny piece of the plastic line still stuck on the filter end. I was very careful when I slid the filter off the plastic line. Did anyone ever hear of the plastic line bonding itself to a rusty filter end? How fragile are these plastic lines?

#51 of 96 Re: fuel problems- 94 s-10 4 cyl [prober3] by luisjara

Jan 11, 2010 (7:23 pm)

Replying to: prober3 (Sep 17, 2008 2:29 pm)
so how did u fix problem same is wrong wit mine

#52 of 96 Start Problems by steelblade

Mar 21, 2010 (2:36 pm)

I have a 1992 S-10 Blazer with the 4.3 liter V6. It's been sitting unused in my driveway here in Florida for about 4 mo. I tried to start it today and battery dead. Charged the battery, and the engine cranked, but would not start. Poured gas into the throttle body and it will run for a few seconds till the gas is used up and will quit. Ran the battery dead, recharged for about 5 hrs. and tried again with same result. Gas guage went from 1/4 to full. The truck was running fine when I last drove it. Obviously there is no fuel getting to the motor. Could it be filter, pump, or just a bum batter not getting enough juice to the pump. HELP HELP HELP!!!!!!!!!!!

#53 of 96 Re: Start Problems [steelblade] by gonogo

Mar 22, 2010 (8:43 am)

Replying to: steelblade (Mar 21, 2010 2:36 pm)
When you turn the key on run you should hear pump run for 2 seconds,if not check the connector at the tank for corrosion.

#54 of 96 Re: FUEL PUMP [streetrodder2] by rtseatheated

Mar 26, 2010 (5:32 am)

Replying to: streetrodder2 (Apr 15, 2009 6:11 pm)
You might have a leak in the fuel lines inside the plenum. I checked mine, and had 2 abrasion spots in the fuel return line inside the plenum. One spot was leaking fuel into the plenum. I picked up some poly tubing and replaced it. I also replaced the fuel pressure regulator while I was in there, a $50.00 part. I also noticed some abrasion spots on the individual injector lines inside the plenum, so these will eventually need to be replaced also. These were not leaking yet, however. The whole "spider" can be purchased on ebay for around $200.00. My vehicle is a 96 chevy blazer, with 225k miles on it. Evidently the lines abrade each other with the vibration of the engine and eventually wear out. Bad design. I am hoping my fuel mileage will increase above the 14 -15 mpg I am getting now!

#55 of 96 fuel issue 89 s16 2.5 l by jonbeattie

Apr 06, 2010 (6:11 pm)

hi new here. My poor truck is not running, towed from lowes with a load of lumber. yay!
Was running ok and the service light came on went in to pay for lumber came out and just cranked. Wiggled everything under the hood and it started?
 
Towed home when it would not start after loading up. Sprayed gas into carb and she fired fine then died out of course. Changed fuel filter last night and injector today, still just cranks.
Looked in my book and it says how to check the pump and check the fuse that I cant find under the hood.
 
I can jump it it seems by the directions but I would like to check the fuse but cant find it. Also there is only one relay I see under the hood on the drivers fender so I am guessing that is the f pump relay?
 
Any help is greatly appreciated !!!
 
Jon

Messages Page 6 of 10

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