Fuel System problems

Fuel System: System that provides fuel to the engine. It is formed by a fuel pump, pipes and injectors or a carburetor in older cars.
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Stalls SolvedSolved

Chevrolet Silverado 2002  171522 miles
My Chevrolet Silverado 2002 stalls in the traffic lights. I've been told the cause might be the fuel pump, any other suggestions?
sam from United States 9 years ago  
SA
2 reports 
Solved
Best answer (according to sam)
ferdinando92 from United States 9 years ago
Your problem might be in the IAC valve (Idle Air Control)
sam from United States 9 years ago
Thanks, sam, you were right. The valve was loose and thus absorbing air. Thank you very much for your help.
Comment

Won't start

Chevrolet Silverado 2007 1500 5.7 vortec 214000 miles
Won't start after long distance drive got spark let set for about a hour then it started don't know how to fix it can you help it dose have a new fuel pump in it
Jethrow from United States 7 years ago  
JE
11 reports 
Jethrow from United States 7 years ago
It is 1997 5.7 vortec thanks
Tony from United States 6 years ago
Try tightening the alternator belt. At highway speeds over long distance belt expands due to centrfical force and does not remain in positive contact with the alternator pulley.
matt from United States 3 years ago
Mine is a little diffrent mine wont start at all after i changed oil pump?
Comment

Flashing engine light

Chevrolet Silverado 2005 2005 v8 5.3l at  207000 miles
Running rough. Feels like fuel filter. Or pump. Are both in my gas tank? Or could this be a sensor?
Sean from Canada 7 years ago  
SE
13 reports 
Mook from United States 7 years ago
Multiple Misfire if check engine light flashes. Sounds like either worn spark plugs, plugged injectors. Pull the plugs and change them first and wires first to see if it clears it up. If not run fuel injector cleaner thru it
Comment

Starts but Stalling while driving at low rpm

Chevrolet Silverado 2006 5.3L  225000 miles
Stalls out while driving at low rpm , changed alternator, battery and 2brand new fuel pumps and still stalls , getting worse, before temp gets up it seems to run A ok ???? Please help !!
Nailbender from Canada 7 years ago  
NA
1 report 
Nailbender from Canada 7 years ago
Cleaned the throttle body and still no luck
Comment

No power, backfires

Chevrolet Silverado 1998 Chevy 350 250000 miles
New fuel pump... sparkplug wires... when I go it barley takes off... would a bad distributor cap cause that?
Chevy88997 from United States 4 months ago  
CH

I can’t find the fuel pump relay for a diesel

Chevrolet Silverado 2020 1500 3.0 Duramax 33543 miles
On the diagram it’s calling for relay number 43 but in my fuse panel there is not one that exists. It’s just empty in that location.
1
Steve G from United States 6 months ago  
ST
Rank 3

No crank no start

Chevrolet Silverado 2012 Lt 5.3 1500 210000 miles
When trying to crank engine motor does nothing. No power to coils, fuel pump or starter. Can get the motor to spin by jumping starter relay pins #30 and #87. Accessories work.
Herbert from United States 8 months ago  
HE
1 report 

Fuel pump failure

Chevrolet Silverado 2002 1500 HD /6.0/crew cab 202000 miles
Engine died en route. Battery fine but sounds like fuel starved.
Gordo’s Chevy from United States 2 years ago  
GO

Reduced gas mileage after new tire replaceme t

Chevrolet Silverado 2014 Z71 Extended cab  70000 miles
I was averaging 22.5 mpg with the stock tires. I bought the same tire and now my gas mileage is approx 19 mpg. I put in a new airfilter and it did not help. The tire pressure is 37 psi.
Eric from United States 4 years ago  
ER

Starting then stalling

Chevrolet Silverado 1999  155000 miles
Ok I went to start my truck today and then a few seconds later it died. I tried this few more times with the same result. Charged it and still did the same thing. It was acting like it wasn't getting any gas. I've been told it could be the fuel pump or several other things what could it be any and all help would be really helpful.
Saiyan from United States 8 years ago  
SA
9 reports 

Not turning over wont start

Chevrolet Silverado 1989 3500 dully 454 25000 miles
I replaced fuel pump relay ,fuel pump,fuel filter put a new battery in it the first time i tried to start it it made a spinning noise like sumthing wasnt cat hing i tried again this timeit tured over but wount start and the battery died i tried to boost it turned the key nothing tryed to charge it n the same thing wont turn over all the accsessery work dont kno were togo crom here dont want to keep tbrowing money at it
Bigface from United States 8 years ago  
BI
13 reports 

Engine light comes on at 75 mpg, doesnot run rough

Chevrolet Silverado 2006 pick up  65000 miles
The light comes on at 75 mpd, code P0300, changed wires, air filter, added fuel injector cleaner(twice), runs fine, no change in performance. What else should I do? or not worry about it?
Kurt from United States 8 years ago  
KU
8 reports 
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