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Chevy 4.3 sputter in rain

Everytime its wet out truck doesn't want to run

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 32 Answers

SOURCE: 1998 chevy truck wipers dont work when wet

sounds like you need to replace the wiper mptor circuit board.

Posted on Mar 26, 2009

Skizziks
  • 43 Answers

SOURCE: chevy s10 stalls when wet

Check your spark plug wires, you may have a crack in one of the wires that is allowing moisture to enter, and water and electricity don't mix.

Posted on Sep 02, 2009

awpennington
  • 34 Answers

SOURCE: 97 chevy truck has vortec v 6 runs great but get

Not likely your problem. Sputters are usually spark and or fuel problem. Here is what we recommend to our customers with a drive problem like yours. First fill up with known good gas like Shell Premium. Not $5 worth, not regular, not plus, PREMIUM and fill it up!!! See how she does. You may just have a slightly dirty injector. Of course there is the tune up, which if due, should be done anyway. We have seen the 4.3 do this with a faulty or dirty EGR valve, bad dist caps and rotors, a huge amount of them had bad plug wires, bad injector but rare, plugged fuel filter, weak fuel pump, The 4.3l chevy engine is a beast and will run and run and run. They have their quirks but they last. I pray I've help.

Posted on Dec 03, 2009

  • 18 Answers

SOURCE: 1996 Chevy silverado won't start when wet out

I had the same problem and replaced the Dist. cap and rotor it had moisture in it and was corroded.
once replaced had no problems.

Posted on Apr 30, 2010

  • 14585 Answers

SOURCE: 2002 Chevy Astro van: 4.3

Replace the wires cap and rotor

Posted on Nov 24, 2010

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Will not start when its damp out. when not damp starts right away thank u mike


Astro won't start or very hard to start when damp or rain ...

www.topix.com > Chevrolet Astro
Aug 24, 2007 - Posted in the Chevrolet Astro Forum. Leave a ... 2000 astro, Hardstarting or wont start when wet, once started its fine. I replaced the cap, rotor, gas filter, next rain was hard to start but did after about 10 tries. ... I have a 2000 astrocargo van. 4.3 v6. ... look for a faulty coil. mine passed out in a rainy day.

Van won't start in wet weather - Chevrolet Forum - Chevy ...

chevroletforum.com > ... > Past Chevy Truck, SUV & Vans > Astro
Sep 22, 2007 - I have a 1999 Astro Van and nearly everytime it rains or sometimes when I wash it, it will not start. ... I really like my ASTRO for everything from carrying family, boat, trailer, etc. but if it is not resolved its going before someone gets hurt. ...When it was damp out, the coil case would become wet, and the ...

Jan 18, 2016 | 1987 Chevrolet Astro Cargo

1 Answer

2003 chevy 4.3v6 won't start when wet out


Did you change the plug wires when you changed dist. cap and rotor?? If not and you want to be sure they are the prob, wait till it's sunny outside and the truck works fine, then get a spray bottle (like an empty windex bottle or something) and put some salty water in it and spray the wires with it when the truck is running. If the engines starts to act up, sputter and what not, the wires are done for, throw em and change em. Also if it's dark enough you will usually easily see the sparks flying around the wires and all when you spray them. Coil isolation might also be the problem, but it's alot rarer than the wires. Same test procedure can be easily done here also. If both those test out good with the salty water, then it's going to be harder to pinpoint, but at least the good ol' salty water trick will work with anything related to humidity/rain and will help you size down the possible problems and areas that can be in fault.

Dec 31, 2013 | 2003 Chevrolet Silverado 1500

1 Answer

What causes motor to sputter or run rough


Assuming your truck is old enough to have a distributor cap and wires, either one could be shorting out when wet or damp.
You may need to replace the cap, rotor and wires to fix the problem.

Jan 11, 2013 | Chevrolet 1500 Cars & Trucks

1 Answer

I have a 1997 Nissan Kingcab SE 4x4 with a 2.4. Everytime it rains it wants to spit and sputter. What causes this to happen?


i would check the distributor cap for cracks, this can draw moisture when it rains, and cause a engine to do as you are saying, spit and sputter, and even cut out.

Apr 16, 2011 | 1997 Nissan King Cab

2 Answers

1996 Chevy silverado won't start when wet out


Start with a set of plug wires, since it seems to happen in the wet weather, and pick up a can of wd40 or wiredry to keep in the truck.Hope this helps.
Good luck.

Jan 25, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

Everytime it rains my car sputters for a while


I believe it is an air-flow problem. I have a 2001 Beetle that did the same thing & no mechanic could solve the problem until I finally succumbed and took it to the dealer. This was a free repair for me as it is a well known problem. Do not leave it unchecked as it will ruin your cat converter/exhaust system which is a costly repair.

Sep 28, 2009 | 2003 Volkswagen Jetta TDI

1 Answer

Chevy s10 stalls when wet


Check your spark plug wires, you may have a crack in one of the wires that is allowing moisture to enter, and water and electricity don't mix.

Sep 02, 2009 | 1995 Chevrolet S-10 CA Edition

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