Question about 1993 Chevrolet Astro

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I have a 93 chevy astro with the 4.3 non vortec engine what kind of spark plug is recomended

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I have a 19-98 chevy astro van with a 4.3 vortec eng.it is flooding what causes that?


Injectors stuck open. Spark plugs worn out. Since it is already flooding, the plugs are gas fouled. Need to replace them first.

Nov 12, 2016 | Cars & Trucks

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Need spark plug wiring 1998 chevy V6 truck


the cap should be marked on a vortec 4.3 liter. the left side of engine is from front #1 #3 and #5 cylinders. the right side from front is #2 #4 and #6.

Jun 13, 2012 | Chevrolet 1500 Cars & Trucks

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1997 chevy astro van willn't start new fuel pump and filter pressure 50 to 60 psi ,got spark turns over


If you have spark and fuel it should start. You must have min 57 PSI fuel pressure for this vehicle to start if it is the 4.3 Vortec engine. Also the cam sensor and the crank sensor control the spark. Does it have the check engine light on and if so what is the code or codes does it have? Need more info to help you out more.

May 04, 2011 | Chevrolet Astro Cars & Trucks

1 Answer

93' chevy 4.3 V6 vortec. engine problem


fuel lines inside the intake plhenum may be cracked and leaking inside the plhenum. same thing happened to my 1992.sonoma. they are made of a plastic material and tend to crack right in the bend of these lines.

Mar 18, 2010 | Chevrolet S 10 Cars & Trucks

2 Answers

1999 chevy astro wont start has spark and fuel preasure someone looked at and said they think a injector might be bad under the plentum does this sound right before i start tearing apart motor


if you vehicle has a Vortec engine it's possible for and injector poppet to spring a leak , My $$'s on the fuel pressure regulator . it's underneath the plenum (under throttle plate) and to the rear of the injector spider . most times it leaks fuel into the rear cylinders

Jan 17, 2010 | 1999 Chevrolet Astro

2 Answers

HOW DO I CHANGE THE SPARK PLUGS ON A 2001 CHEVROLET ASTRO AWD WIT


get in through the doghouse, you will need a flex head ratchet and different lenght extensions

Nov 18, 2009 | 2001 Chevrolet Astro

2 Answers

Will '88 astro engine work in a '93?


should work look at both motors and see if the plugs are alike

Jun 10, 2009 | 1993 Chevrolet Astro

1 Answer

1997 chevy astro van has poor starting problems after it sits all


hello ralph...check the coolant temp sensor. It acts as a choke to richen fuel mixture when cold. If it doesn't work correctly, hard starting will occur. Once engine reaches operating temp, the problem is usually non-existent. also....
Worn spark plugs.
Fouled spark plugs.
Worn distributor cap and rotor.
Old ignition wires.
Low engine coolant level.
Faulty MAP sensor...any of these will effect cold starting....

Good luck...i hope this helps.

May 17, 2009 | 1997 Chevrolet Astro

1 Answer

1999 chevy blazer wont start


THE FUEL PUMP IS BAD.

if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.

and i doubt that you are seeing enough fuel pressure to run a vortec engine.

low fuel pressure equals a non running vortec

Apr 11, 2009 | 1999 Chevrolet Blazer

2 Answers

1997 chevey astro van won't start


Chk. all fuses, there is a fuse for injectors, If no spark at plugs chk ignition fuse and switch, and chk. fuse for e.c.m. Can't help with diagram. Parts dept. chevy dealer will print you one out.

Feb 14, 2009 | 2000 Chevrolet Astro

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