Question about 2001 Chevrolet Blazer

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2001 blazer..when it rains it won't start...all new ignition parts and new fuel pump....

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Try spraying plug wires with silcone spray for spark plug wire that you can get at the auto parts store. Could have a crack in a wire or spark block or distributor. In the old day dirty mechanics would take a pencil and draw a line down the inside of a distributor cap and it would act like it was bad so you would have them replace it to make more money.

Posted on Mar 17, 2011

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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

2 Answers

Why won't my car start? It was running last night.


Try start the car again when it is completely dry, if it starts the rain may be short circuiting something on the loom in the engine bay.

If it still wont start,

will it turn over? (car tries to start)
- If it wont turn over the battery would be dead

- If it turns over but wont burst into life then we can go from there ^_^

Oct 24, 2012 | 2002 Buick Rendezvous

1 Answer

1999 chevrolet blazer ,new fuel pump,ignition wires,plugs,Engine turns but won`t start


I would check out the fuel relay. This seems to be going out on vehicles everywhere.

Oct 07, 2012 | 1999 Chevrolet Blazer

1 Answer

Blazer 1999 won't start got spark new fuel pump


Pull off one injector connector and use a test light or voltmeter to see if one wire has power with key on.
Power to the injectors is fed through the ignition switch, so with key on, you should have power there. The injector ground is inside the ECM. If you have power, you'll have to diagnose the circuit for why computer doesn't ground the circuit when it should.

Nov 06, 2011 | 1999 Chevrolet Blazer

1 Answer

1999 chev blazer won't start new fuel pump


So, do you hear the pump buzz on, when key is on? If that's good, then check your ignition circuit: check for spark at a plug. Use insulated pliers, hold end of plug wire 1/4 inch form engine bolt or ground source. When cranked, you should see a bright blue spark. Yes? Try another plug wire, too. No? Try another plug wire. If you have NO spark, could be your coil, coil pack, crank position sensor, ignition module. I would recommend using a diagnostic flow-chart to go through the ignition circuit. That way, you are not replacing unecessary parts_Expensive! Of course, if you have spark at plugs, your ignition circuit is good! Then you have to look further, like your injector circuit. Good luck.

Oct 30, 2011 | 1999 Chevrolet Blazer

2 Answers

Wont start unless you pour gas down throutle body on 2001 chevy blazer


You'll need to see if your fuel pump is providing fuel pressure. First test would be to take off fuel cap, listen through filler tube as someone turns ignition on for a few seconds, then off for a few seconds. Repeat a few times you should hear the fuel pump start then stop as it builds pressure.

No noise, then test voltage coming to pump if yes, 12 volts, replace fuel pump. Test ground also before replacing pump.

I would expect it to be this as the computer wouldn't allow the vehicle to run with fuel being poured into the engine otherwise.

If it's pumping, you will need to do pressure testing to determine if it pumps enough, or just replace it as either just the pump, or the complete pump assembly that drops into the tank rather easily.

Pumps are available at dealers OEM, discount auto parts stores, and I've had good luck with pumps that I've bought on eBay.



good luck

Mar 11, 2010 | 2001 Chevrolet Blazer

1 Answer

2001 Blazer Ignition or fuel Problem?


try checking your fuel tank for sediment it may be clogging the fuel pump and when it dies it falls away then when you start up again it gets sucked up

Jun 11, 2009 | 2001 Chevrolet Blazer

1 Answer

Chevy Blazer won't start; fuel pump needs replacing


Before spending several hundres on a fuel pump, I recommend doing a fuel pressure test. You can get a test gauge pretty cheap at a parts store. If the pump is junk, you raise the truck, lower the fuel tank, unplug the electronics from the pump at the top of the tank, then with a hammer and flat head scrwedrive, gently tap the lock ring in a counter clockwise direction until it pops off. Pull the pump assembly out and install the new one. Reverse directions to install.

Jun 02, 2009 | 2001 Chevrolet Blazer

1 Answer

2002 Fuel pump won't turn on when wet outside


check the fuel pump relay and make sure there is no water leaking through the hood and gettin into the fusebox

Nov 16, 2008 | 2002 Chevrolet Blazer

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