Question about 1983 Chevrolet Silverado

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Causes stalling my truck is stalling when I accelerate then loses power.Its has an electric fuel pump which is a holley blue.

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  • Chevrolet Master
  • 442 Answers

If you have good fuel pressure could be a fuel filter , if not it could be a timing issue

Posted on Apr 15, 2014

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Posted on Jan 02, 2017

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SOURCE: truck idles and runs fine

if it is an older model say from late 90's on down. It could be your automatic advance on your distributor is bad. This is caused by vacume leak to distributor.

Posted on Nov 15, 2008

  • 6982 Answers

SOURCE: 1985 camaro that does not crank

Stop jumping all over the place!!! 1. check for spark. If none find out why. Check for proper timing. "basiline" timing at about 8 degrees btc. MSD units are nice when they work, but if no spark, pull it out and get an old style hei setup and stick it in there for a while.(hooks up with one hot lead) 2. If spark is working, check bowl levels on carb (I do this by attaching a syphon hose to fuel inlet and opening port on side of each bowl, adjusting level so fuel does not spill out and is just below level of hole.You checked the chain...is it in "straight up"? (cam mark down, crank mark up)
Fuel pressure should not be above 7.5 lbs. in fact, for start up testing I'd lower it a bit to about 5psi. (use a gauge) That way you won't be blowing needle valve off the seat. Unless you have the valves adjusted too tight, there is no reason for it not to start!!!
Good luck!

Posted on Mar 07, 2009

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SOURCE: 2000 Chevrolet Truck S10 P/U 2WD 2.2L , loss of power

The first thing to try is a new fuel filter. There is sock filter within the fuel tank also, but it fails less often. If the engine has lots of miles, it may need a new O2 sensor although the codes should point that out if it were a problem.

Posted on Aug 08, 2009

  • 118 Answers

SOURCE: Old chevy 235 six cylinder, when cold it falls on its face

Question, does it stall, or bog? A few things come to mind. You say the carb. is new, what is the cfm of the carb.? Could be too much carb. for the cam. It could be a problem with the accl. pump on the carb. dumping too much fuel on take off. Have you checked the fuel pressure at the carb. also? You say you checked the timing and vac. advance, but is the timing set high enough? Usually this is a sign of too much fuel being dumped. If you have the chance, try another carb. Let me know.

Posted on Dec 04, 2009

Tnsiouxfalls
  • 617 Answers

SOURCE: 1978 Chevy 1/2 ton Truck - fuel is not getting to

On the front of the carburetor where the fuel line comes in is the fuel filter.Did you change that?Take off that line and slip the end into a container,coffee can size.Have a friend turn over the motor,watch for fuel.If you get fuel your needle and seat have seized in the closed position.No fuel check the rubber lines that hook to the fuel pump.You replaced the pump,it's only $2 worth of rubber hoses.If they don't seal the pump can't pull the fuel,it's cheap insurance.

Posted on Jan 05, 2010

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1 Answer

1984. Why does it run fine during cold weather and sputter when it is warm and I punch the gas pedal?


could be low float level, low pump pressure/supply
blocked fuel filter
when cold the engine is running on choke setting which draws more fuel from the carby
when it is warm the choke is off and if you have a flat spot ( (sputter) , that indicates a lack of fuel or maybe a bad accelerator pump or power valve
if the carby is a holley then replace the power valve and overhaul the accelerator pump.

Aug 17, 2015 | Chevrolet Caprice Cars & Trucks

1 Answer

I just installed a holley blue electric fuel pump and regulator. When I get on the highway I cant go more than a couple miles before I lose fuel pressure and have to pull off the road to refill the bowls...


Several things for you to check. I'd start with the fuel cap. Try to run the truck without a fuel cap on it and see if the problem occurs, perhaps the fuel cap is creating a vacuum and keeping the gas from flowing. Then, try taking a long hose and run it from the electric fuel pump back to the gas tank, and run the pump and see if the pump will pump continuously for 10 - 30 minutes. If this does not work, perhaps the fuel supply is blocked or the fuel line hose is collapsing between the pump and the gas in the tank.
Another thing could be is the fuel filter on the carburetor itself. Many carburetors have a screw-in fuel filter right where the gas line attaches to the carburetor that has a metal or paper filter inside. If this got dirty with all your work, perhaps that is it. Be blessed.

Nov 11, 2013 | Cars & Trucks

1 Answer

Car run but wont accelerate


For acceleration problem,the help links are provided below,click the link below to go through its procedure :----Engine accelerates when brake is applied? http://technoanswers.blogspot.in/2012/02/engine-accelerates-when-brake-is.html ----------
Loss of acceleration? http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html
----------How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html

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How exactly Vehicles Accelerator Pump Diaphragm Works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

------

accelerator pedal sensor? http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

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stalls and bucks on Acceleration? http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

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Acceleration lag problem? http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html

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Car loses power while acceleration? http://schematicsdiagram.blogspot.com/2011/12/car-loses-power-while-acceleration.html

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This will help.

Thanks.

Feb 19, 2012 | 1994 Lexus LS 400

1 Answer

Kia carnival diesel engine start and run but no acceleration..what a problem cause...


Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.


To confirm the problem, the basic troubleshooting is required.


Click this link below and follow the troubleshooting:------

http://technoanswers.blogspot.in/2012/02/car-starting-issues.html

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Also its advisable to go through this additional help links:----

Loss of acceleration? http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html

-----------

How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html


How exactly Vehicles Accelerator Pump Diaphragm Works? http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

--------

stalls and bucks on Acceleration? http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

-------

Acceleration lag problem? http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html

---------

Car loses power while acceleration? http://schematicsdiagram.blogspot.com/2011/12/car-loses-power-while-acceleration.html

----------

This will help.

Thanks.

Feb 16, 2012 | 2006 Kia Carnival 2.9

1 Answer

Car runs great but suddlenly loses power or goes off. I replaced fuel pump and filter. Hard to tell if its electrical or a fuel system problem. Injectors, spark plugs look ok.


Have someone look at your MAF air flow sensor. It is a known problem on that generation Maxima and causes sudden loss of power and stalls.

Sep 08, 2011 | 1996 Nissan Maxima

1 Answer

I hav a eletric holly fuel pump and on the back side there r 2 holes the top hole is a litle bigger and it has a brass plug and the bottom hole is real small with no plug and it spits out gas..can i just...


If it's a Holley Red or Holley Blue pump, the pump itself is getting ready to go bad on you. The hole is there like a weep hole on a water pump. I had to replace the Holley Blue pump on my 70 El Camino street rod for the same reason. I run Holley pumps in my street rods and race car.

Mar 29, 2010 | Ford Shelby Cars & Trucks

1 Answer

Old chevy 235 six cylinder, when cold it falls on its face


Question, does it stall, or bog? A few things come to mind. You say the carb. is new, what is the cfm of the carb.? Could be too much carb. for the cam. It could be a problem with the accl. pump on the carb. dumping too much fuel on take off. Have you checked the fuel pressure at the carb. also? You say you checked the timing and vac. advance, but is the timing set high enough? Usually this is a sign of too much fuel being dumped. If you have the chance, try another carb. Let me know.

Dec 03, 2009 | 1983 Chevrolet K1500

2 Answers

When accelerating there is no power but when releasing accelerator slowly power picks up. why is this happening 2001 ml270 cdi


Hi, this is a common symptom of a clogged fuel filter that is straining the fuel pump itself.

When you accelerate, this initiates a rapid fuel flow through the lines. if the filter cant pass the proper amount, its will stall or hesitate the engine and cause sputtering or loss of power. due to this clogged filter, the pump cant keep up with your acceleration demands at this time. the reason for the power pick up upon De acceleration, is because the lower amount of fuel is able to pass through quite easily but, as soon as you demand more power, the clog will obstruct the more intense flow of fuel to the injectors.

Simply replacing the fuel filter and pump will fix this issue.

Please rate and god bless:)

Apr 17, 2009 | 1998 Mercedes-Benz C-Class

1 Answer

Holley Electric fuel pump comes hot!


get rid of the holley get a diff. brand pump have had nothing but problems with holley pumps

Feb 06, 2009 | 1989 Toyota Pickup SR5

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