Question about 1999 Chevrolet Blazer

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Whenever it rains, the vehicle turns over but will

After it rains the vehicle won't start. It's almost like it's not getting any spark.

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Hi check your ht leads your car is 10 years old could be they have cracked and letting in moisture or spray with damp start when they are dry

Posted on Nov 16, 2009

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3 Answers

Why chevy blazer won t start after it rains ?


Its a possibility, that you can have a bad coil pack. start the vehicle, and spray the coils with a mist of water, from a spray bottle. If bad you see a spark. The coil pack is cracked somewhere.Meaning it was not water tight. It should be. Good-Day!

Sep 01, 2014 | 2003 Chevrolet Blazer

1 Answer

My 2004 Alero has a problem when it rains. It won't start after it was rained and it seems to me that something is getting wet under the hood and causing this that I have to let it sit after it rains,...


I doubt anything is getting wet, but you could be right on a bad connection. You could have enough humidity in the air after a rain to cause a weak connection to fail completely. It could also be a faulty relay.
Someone would need to figure out if you are lacking spark to the plugs or fuel pressure when it fails to start, then track down why.

Jul 12, 2013 | Cars & Trucks

1 Answer

2000 chevy 1500 express van turns over but won't start when it rains


the high humidity (water) is attacking your electrical starting system, whens the last time you changed your spark plug wires , distributor cap & rotor ? how about your fuel & air filters ? cleaned your battery terminals ? try it , it will help !!!!!!!!!

Mar 01, 2013 | Chevrolet Express Cars & Trucks

1 Answer

94 toyota carolla won't start after it rains?


This is usually a cracked distributor or bad plug wires water is getting into the system. if you get the car running try looking at the wires and dist. in the dark if you see any sparks replace the parts you see the sparks coming from,

Dec 26, 2012 | Cars & Trucks

2 Answers

Car cranks but won't Start


It sounds like your alternator mat have gotten wet. there is usually some sort of cover under the alt. I would get that and the battery tested. They can be tested while still on the car. If it won`t start you would have to get them pulled and checked. Usually free of charge.

Nov 12, 2012 | 2001 Audi TT

1 Answer

Won't start after rain


Always include make and model year of your vehicle; each one may have weak spots others don't.

Jun 01, 2012 | Cars & Trucks

1 Answer

Lately, whenever it rains, my 1998 chevy blazer wont start/won't run. the engine turns over, but it won't run. after 2 or 3 days it will fire up like nothing was wrong with it to begin with. any...


Whenever I had this problem, it was always cured with a new set of GOOD spark plug wires. Not generic set off the parts store shelf. Get some moisture removal spray and put it on both ends, the coil and the plug, before putting the wires on. Do one wire at a time so you do not get them mixed up. I do not think you have a distributor or a cap. If you do replace it also as it is over 20 years old.

Jun 17, 2011 | 1998 Chevrolet Blazer

1 Answer

Chevy express 1500 will n ot start, fuel pressure good 60 psi! The coil is sparking good! the engines turn over strong. it seem to do this whenever it rain!


check for spark at the spark plugs, there have been a lot of trouble with the distributor caps and rotor. Be sure it has the correct AC Delco spark plugs and good wires. Be sure to use AC Delco or GM parts.

Dec 20, 2010 | 2000 Chevrolet Express Cargo

1 Answer

Whenever it rains, my truck is very hard to start. After I do get it started, it runs very rough until the engine gets up to normal operating temperature.


Cheap easy suggestion is to replace the spark plug wires with some good quality ones and put that sealing grease around the ends to keep moisture out of the connections.

Sep 20, 2010 | 1996 Ford F150 Regular Cab

1 Answer

Hi, i have a 2000 gmc jimmy and whenever it rains


How old is the cap? Could the new one be bad? Also when it won't start do you see any sparks jumping from the coil or wires?

Jul 20, 2010 | 2000 GMC Jimmy

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