Question about Chevrolet 1500

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Truck runs good idling but when you step on the gas it hesitates,wants to stall but doesn't.i check the fuel pump and filter plus replaces the carb.

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Not sure if you buy your gas at one station or not, but pick up a couple bottles of gas line anti-freeze. it will absorb any water in your fuel and you should see results almost instantly. just add one bottle to your tank during a fill up. even to half a tank of gas.

robert

Posted on Sep 06, 2009

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1982 JEEP HESITATES WHILE DRIVING AND DIES


2 things. come to mind.
i check the distributor advance works to spec with my timing light (strobe)
if that is ok, its a carb issue.

carbs fail for many reasons, (mostly gummed up inside)
we clean them. that fixes them. (with a kit)
I only have this for symptoms, and is not good.
MAJOR HESITATION AND STALLING OCCURS
does the engine have full power up any hill wide open throttle
is the Hesitation only a short time then catches up.
The carb (not stated P/N or brand) has jets, the if gummed up
will cause lean running.
so will any power valve jet.
ever tune it up. new spark pats, rotor all the way to spark plugs.
bad spark , loves to fail under load, that is its , magic.
carb>
  1. low float bowl levels.
  2. low fuel pressure causing above,
  3. bad float valve , sticks closed and starts bowl of fuel, causing #1
  4. Gummed up jets.
  5. Gummed up emulsion tubes in carb body.
  6. Choke stuck on, causing flooding,
  7. Choke dead causing hard starts . (stuck open)
  8. power valve clogged.
  9. Highspeed accelerator pump bad, causing only sight hesitation.

my guess? based on 1 word "stall" its #1 to 3 or 6.
black spark plug tips would be #6

or if black sparks, the float valve is stuck open flooding engine and stalling.

we can go for days on carbs. but will not.

Mar 19, 2014 | Jeep Cherokee Cars & Trucks

1 Answer

I have a 1992 Chevy 1/2 ton 5.7 Litre 1500 series truck. The truck while idling suddenly stalled. I verified the fuel pump by taking the pump side off to the filter and verified fuel to the filter by...


Doesn't sound like you've considered spark. Sounds like you're losing spark somehow. You seem to know your way around a truck, so I don't have to explain every little thing. Just check all the ignition stuff, go through the distributor and coil and plugs and wires. If it's gettin fuel, its either a spark issue or air/vaccum issue. Hope this helps.

Jun 12, 2011 | 1992 Chevrolet K1500

1 Answer

Engine stalled out,would not start, pour gas in carb,cranks,keeps running,until idle falls below 12to1500rpm,than stalls out again and will not crank,repeat gas or starting fluid in carb,cranks runs and...


This truck is fuel injected, the problem sounds like a weak fuelpump, it runs when you pour gas into it until that gas runs out, the first thing is to test the fuel preasure, if the pump is weak it may run with gas poured into it but wont idle, also a common problem is the coolant temp sensor and the ground wires to thermostat housing bolt but i wont bet its the pump inside the fuel tank, if you put a fuel gauge on it there should be at least 55-61 psi if its a few pounds lower it can cause problems, you have everything else and it runs with gas poured so its a fuel problem check the preasure, theres a valve up top on the fuel line to connect a fuel gauge to it, start there hope this is helpful.

Dec 27, 2010 | 1993 Chevrolet C1500

2 Answers

1999 Chevy Malibu. Whenever I stop the car stalls. It can't just idle, I have to push on the gas pedal all the time, or it quits running. Fuel pump is ok. Fuel filter ok. Fuel injectors ok. Timing...


buy a can of spray carb cleaner and clean your throttle plate, pcv valve, and most importantly your idle air control valve. This device controls your idle speed. Check for vacuum leaks, you may have a crack in a vacuum hose.

http://www.youtube.com/user/scottykilmer#p/u/38/eQpPcdvSBks

Oct 01, 2010 | Chevrolet Malibu Cars & Trucks

1 Answer

2004 CROSSFIRE 52,000 MILES, CAR STALL AT IDLE, HESITATES WHEN PUSHING GAS PEDAL DIED TWICE WHILE IDLING. INJECTORS? FUEL FILTER? AIR FILTER?


This happened to me at 53,000 miles. Its your air flow sensor. This runs at about $200 for the part plus labor.

Oct 29, 2009 | 2004 Chrysler Crossfire

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Cannot get 1987 chevy van 20 to keep running... stalls out


Best do a fuel pressure test. Should have chg. fuel filter from the get go. The only other filter is on the end of the fuel pump in tank. Bad gas and dirty gas will plug up fuel filter, hense burn pump up.

Apr 11, 2009 | 1987 Chevrolet G20

1 Answer

Hesitation problem


try cleaning the inside of the MAF sensor and do the following procedure as well.
Here is the most common cause of surges and stalls at stops and low erratic idle speed and rough idle, it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Mar 24, 2009 | 1994 Cadillac Fleetwood

4 Answers

My 1993 chevy 1500 Silverado truck suddenly quits


I put a new fuel pump, fuel filter, and a fuel pump relay and the fuel pump is still not coming on. I am not getting any fuel. Can you please tell me what it might be.

Mar 08, 2009 | 1993 Chevrolet C1500

1 Answer

Intermitent stalling and hard starting when cold


sounds like it could be a vacuum leak--check all of the small vacuum hoses around the carb....

Mar 02, 2009 | 1985 Dodge Ramcharger

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