1994 chevy conversion van G20 explorer limited 350 TBI... Sat for 3 yrs I changed all fluids, gas,fuel pump, sock and filter, cap, wires, rotor, ICM in the distributor, cleaned out injectors, then it started like it was brand new and idled really good for bout 15-20 mins then started to chock a little and died.... couldn't start it sence, it turns over and it has fuel but is not starting, the injectors don't fire when it turns over, but they do... Plz help outta ideas

My first thought would be a vacuum leak in one of the hoses. Rubber hoses get brittle with age and even a small crack in a hose may cause surging. Happened to me in a Lumina.

Apr 26, 2012 • 1997 Chevrolet Astro

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4answers

92 astro van 4.3l wont idle .starts then dies . replaced fuel pump i.a.c tps map ,fuel filter, cap,roter ,plugs,wires,egr. codes 12@33 showing up.

time to buy a new van.. umm what about the alternator?

Apr 29, 2010 • Chevrolet Astro Cars & Trucks

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1answer

I HAVE A 1988 CHEVY VAN G20 5.7 I CHECKED TIMEING CHAIN NEW PLUGS,PLUG WIRES,DIST CAP, ROTOR,COIL,FLUSHED FUEL TANK,NEW FUEL PUMP AND FILTER I HAVE GOOD FUEL PRESSURE,GOOD COMPRESSION,THE PROBLEM IS SPARK,...

1/ Have you fitted the spark plug leads in the proper firing order.
2/ Look inside the top of distributor Top (this is not the first time a new distributer cap has very small crack) or the rotor arm is fitting the cap properly. Hope this helps Best Wishes, Malcolm Campbell.

Jul 04, 2017 • 1988 Chevrolet G20

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2answers

Can you test the ignition control module? i have a 1988 chevy g20 van w/5.7 motor it sat for a long time . it ran good and then one day it would start i put in a new fuel pump,fuel filter,coil,plugs,dist...

ADVANCE AUTO HAS A MACHINE TO TEST MODULES.. BUT IF I WENT THROUGH THE HASSTLE TO REMOVE IT I WOULD REPLACE IT..YOU ARE DOING WHAT IS CALLED SHOTGUN REPAIR..REPLACING PARTS ON A GUESS..NEED TO FIND OUT WHAT YOU ARE MISSING SPARK,,, FUEL,, COMPRESION...GET BACK WITH ME

Apr 24, 2010 • 1988 Chevrolet G20

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3answers

1992 Chevy G20 Van Dies

you may have a split hose inside the tank
had the same problem on a 94

Jun 11, 2009 • 1992 Chevrolet G20

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2answers

I have a 1989 Chevy 20 van with a 5.0. It starts fine, but dies right away. You have to keep pumping gas to keep it going. Could this be the fuel regulator,or maybe the diaphram? I have 1990 G20 Chevy Van...

intake vacuum leaks or bad wires and plugs.

May 09, 2009 • 1989 Chevrolet G20

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Randy Ohler

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Randy Ohler

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Lost me there at"injectors don't fire, but they do" Anyway, the crank sensor/ECM is what controls injector fire. Could be corrosion at the injector,crank sensor, or ECM plug. Could be the injector/s died. Been a long time since I worked on a TBI. but the injectors can be checked with an ohm meter. I don't remember the numbers though. You can find the numbers on the internet.

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92 astro van 4.3l wont idle .starts then dies . replaced fuel pump i.a.c tps map ,fuel filter, cap,roter ,plugs,wires,egr. codes 12@33 showing up.

I HAVE A 1988 CHEVY VAN G20 5.7 I CHECKED TIMEING CHAIN NEW PLUGS,PLUG WIRES,DIST CAP, ROTOR,COIL,FLUSHED FUEL TANK,NEW FUEL PUMP AND FILTER I HAVE GOOD FUEL PRESSURE,GOOD COMPRESSION,THE PROBLEM IS SPARK,...

Can you test the ignition control module? i have a 1988 chevy g20 van w/5.7 motor it sat for a long time . it ran good and then one day it would start i put in a new fuel pump,fuel filter,coil,plugs,dist...

1992 Chevy G20 Van Dies

I have a 1989 Chevy 20 van with a 5.0. It starts fine, but dies right away. You have to keep pumping gas to keep it going. Could this be the fuel regulator,or maybe the diaphram? I have 1990 G20 Chevy Van...

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Chevy G20 van 1994 lost power and dies

I have a 94 chevy k 1500 with a 350 i have replaced the fuel pump tank and filter also new plugs cap rotor and wires changed fuel regulator and icm it still has a bad miss when warm under a load.

93 Chevy G20 Van sat for about 3 years and now the transmission has a hard time shifting. Full of fluid.Actually have to let off of gas to get it to shift. When downshifting motor revs uo but no movement....

My 1992 chevy g20 van surges and i'm not sure exactly why. I changed the pcv valve, fuel filter, spark plugs, and air filter. What are some possibilities

92 astro van 4.3l wont idle .starts then dies . replaced fuel pump i.a.c tps map ,fuel filter, cap,roter ,plugs,wires,egr. codes 12@33 showing up.

I HAVE A 1988 CHEVY VAN G20 5.7 I CHECKED TIMEING CHAIN NEW PLUGS,PLUG WIRES,DIST CAP, ROTOR,COIL,FLUSHED FUEL TANK,NEW FUEL PUMP AND FILTER I HAVE GOOD FUEL PRESSURE,GOOD COMPRESSION,THE PROBLEM IS SPARK,...

Can you test the ignition control module? i have a 1988 chevy g20 van w/5.7 motor it sat for a long time . it ran good and then one day it would start i put in a new fuel pump,fuel filter,coil,plugs,dist...

1992 Chevy G20 Van Dies

I have a 1989 Chevy 20 van with a 5.0. It starts fine, but dies right away. You have to keep pumping gas to keep it going. Could this be the fuel regulator,or maybe the diaphram? I have 1990 G20 Chevy Van...

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