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I have a 94 chevy blazer it cuts of while i'm driving.i change distributor,fuel pump,ignition module n i still have the same problem,it cuts . i could go start it just to warm it up n after a while it cuts out

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  • 93 Answers

Have a mechanic hook it up to a diagnostic computer. My money is on bad ECM...

Posted on Apr 05, 2011


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I have a 1999 Chevrolet S10 Blazer. In the morning it will fire right up and run for all of 10 minutes or so, then shut off an not start again for about 30 minutes or so.

Could be the computer not good PCM also just because the ignition module has been replace it could be defective I had new parts good bad you can go crazy trying to fig it out then it might be a new defective part or module igintion good luck

Oct 03, 2015 | 1999 Chevrolet Blazer

1 Answer

My1998 chevy blazer only runs for a few seconds. I replace,fuel pump,filter,plugs,wires,injectors, brain box,cap,rootor.lots of gass in line.what do you think?ITS LIKE A RELAY OR SOMETHING IS KEEPING THE...

It would seem like a problem with the ECU or the fuel pump, but the common link between those two systems is the ignition module that is located on the distributor under the distributor cap, and that module is actually responsible for the fuel pump signal to run the fuel pump, the dwell signal to cause the ignition coil to fire, and also the signal that the ECU uses to time and fire the injectors, and you can remove the ignition module and have it tested for free at most auto parts stores.

That does sound like a malfunction with the ignition module inside of the distributor, and you can remove the ignition module and have it tested for free at most auto part stores.

If you do purchase a new ignition module be sure that it does come with a silicone grease or a die-electric compound because it is a heat sink and the ignition module will burn up without it.

To install the new ignition module first clean out the mounting surface inside of the distributor. Then completely coat the metal contact surface under the ignition module with a thick coat the silicone grease or die-electric compound and do not leave any of the metal contact surface of the ignition module un-coated with the silicone grease or die-electric compound, and be very careful not to over-tighten the ignition module or it will be damaged.

Jun 17, 2010 | 1998 Chevrolet Blazer

2 Answers

94 s-15 v-6 vehicle was running great then would not start. Engine turns over. I replaced rotor and cap, spark plugs. The fuel pump was not priming replaced fuel pump did not start at first, air was in...

Replace the oil sending unit,it has a safety feature of cutting off the fuel when the pressure from the oil pump is low,and the sending unit might be the problem.

Jun 13, 2010 | 1994 GMC Jimmy

2 Answers

94 blazer, replaced ignition modual. when engine

Most likely the cause of the ignition module burning out is because of the ignition coil, and you should try replacing the ignition coil and the ignition module both together, and be sure to clean out the distributor mounting suface, and be very certain that you do completely cover the metal mounting surface of the ignition module with the silicone grease or die-electric compound. Also be sure that you do not ov er-tighten the ignition module because you could damage it and cause a lot of similar problems.

Jun 04, 2010 | 1994 Chevrolet S-10 Blazer

3 Answers

1993 Chevy S-10 blazer turns over but won't start

spray starting fluid in the air intake if it fires you have fuel problem , if it dont it is ignition probably the ign module in the distributor

Nov 06, 2009 | 1993 Chevrolet S-10 Blazer

1 Answer

93 s10 blazer runs and then dies and won't start again

check and make sure the sparkplugs are clean, I got a hunch it could be that small back module under the distributor cap, it is very sensitive to heat.

May 31, 2017 | 1993 Chevrolet S-10 Blazer

2 Answers

'93 Blazer will not start, turns over, but no spark...

could be the ignition module like the other guy said, but I had one that did the same thing and it was the pick-up coil on the bottom of the distributor shaft. a relatively simple fix, but best to let a mechanic do it if you've never done it.

Aug 13, 2009 | 1993 Chevrolet S-10 Blazer

2 Answers

Not sure?

to 94 chevy have you checked fuel pump? car must be turned off . With key in off position turn key to acc position, radio must be turned off. when key is in acc position you should hear small hum for about 15 to20 sec then it shuts off .This means fuel pump is working. This should happen every time you turn the key switch. If you have pump noise, I would look under the distributor there are two sets of wires that is your spark modulator . remove distributor cap 2 screws on driver side removes it take it to autozona/ checker auto and they will check it

Mar 30, 2009 | 1994 Chevrolet C1500

5 Answers

93 chevy s10 blazer fuel pump replacement

try yhe pickup coil or ignition module wich are both located on the distributor or the igniton going through the same thing.all i have left to try is the ignition module.if i get it ill be sure to let you know

Jan 01, 2009 | 1993 Chevrolet S-10 Blazer

1 Answer


try messing with the radiator because it is most likely overheating

Dec 02, 2008 | 1999 Chevrolet Blazer

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