Have checked for spark at coil, cap, & wires. checked valve on fuel rail also disconnected fuel line. gas flows strong ( too strong?) Van started 1 time after it quit. drove for an hour in the morning befor work, in and out, starting, stopping, over & over. Van ran great. what would have ben 5th or 6th start, it acted as if it wer out of gas. needle just above e. got a ride to work, came home added 2& a half gallons from a can. van started, went ten feet, stopped, never to sputter again
I would check and be sure I had fire to the plugs and fuel to the throttle body. I read what you wrote about the fuel pump but then on the end of the description where you put gas in the van the pump might not be working. If so you could have a bad wire to the fuel pump or a plugged fuel filter. Once you verify those items I would pull the 02 sensor ahead of the catalytic converter in the exhaust and make sure the cat or muffler is not plugged. If they are it will put back pressure on the engine and not allow fuel into the cyl. to fire.
SOURCE: My chevy express van 1500 cranks but wont start
test and see if you have spark and fuel preasure, you may have bad feul pump, common problem is the fuel pump goes bad, but check before replacing.
SOURCE: Chevy g20 van wouldnt start/stalling
It sounds like it may be a problem with the PATS (Passive Anti Theft System). Chevy has been having problems with PATS since 1992 til current. Even if your key doesn't have a visible "chip" in it, it is possible that you have the PATS system. The newer PATS systems work by recognizing the exact cut of the key. In some cases extremely worn out keys have been known to stop working correctly with your ignition. In worst case scenarios the ignition cylinder itself, which contains the other chip for PATS, wears out so badly that, one time in ten or more your vehicle doesn't recognize the key and fails to start. The logic is this: If a thief tries to jimmy the ignition, the PATS system shuts down the ignition system for 20 minutes (30 on some vehicles). This is supposed to discourage the thief from trying again, while still letting you start your vehicle. There are procedures for bypassing the PATS system on many vehicles, but it is not for the faint of heart. The wiring work itself isn't bad, but there are catches: 1) you must have the vehicle running while you make the modification in most cases, and not shut it off during the bypass. 2) It's recommended you install a switch in the bypassed wire so you can disable your bypass in case your vehicle needs service. 3) if the vehicle dies during the bypass for some reason, you may have to visit the dealership and get a new ignition cylinder, and a quick reprogram of the PCM or ECU to get it going again. (Pricey)
SOURCE: 1996 astro van stopped running
Sounds like dirty gas and the fuel filter is clogged...try changing the fuel filter...some are under the car, but most are mounted against the firewall in the engine compartment.
SOURCE: 1996 Chevy 5.7 1500 van will not start
Dont ever spray strting fluid in a gas engine you can ruin the rings.MAF is probably bad.
SOURCE: No spark. Have a '91 S-10 4.3L. Drove to work,
check crank position sensor, run scanner for trouble codes , some auto parts will do this for free
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