Blazer

2004 CHEVROLET BLAZER
90,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SIERP
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Towards the end of summer, when i use a automatic car wash, my 2004 blazer would idle very rough an would stop after i pulled out an drove it a little bit, no lights comes on when ever this happens, i just had the intake gaskets changed because it was leaking fluids out the front an had it changed back over to the green antifreeze[which i beleave caused the problems w/ intake] the blazer just has 90,000 miles on it, an what would the flat rate be on r&r intake gaskets? Thanks
Jan 13, 2011 at 9:13 PM
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JACOBANDNICKOLAS
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If it happens when the vehicle is wet, it sounds ignition related. When was the last time the plugs and wires were replaced?
Jan 25, 2011 at 4:41 PM
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SIERP
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Not sure, bought it with 85,000 miles on it, but it's about time to due a regular tune up since it's about to 100,000. Getting ready to lower it an put plugs an brakes an repack the bearings in when i have it all tore apart, wasn't sure if it was distribure less with coil packs. Haven't had to work on it it's just a pain an don't want it to turn in to leaving me stranded some where. Thanks for your reply
Jan 25, 2011 at 8:12 PM
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JACOBANDNICKOLAS
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It should be distributorless, but you will have plug wires. Try this trick. At night, in the dark, start the engine, open the hood, and mist water on the ignition sustem to see if there is anything arcing. Night makes it much easier to find. That way you'll know if it is a plug wire.
Jan 25, 2011 at 10:49 PM
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SIERP
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Right on, back in the day i used to squirt water on headers to see if the cylinders where firing, the night will show any arcing pretty easy. Thanks i'll try that.
Jan 25, 2011 at 11:45 PM
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JACOBANDNICKOLAS
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Let me know what you find. Sometimes the old methods are the best and easiest.
Jan 26, 2011 at 12:18 AM
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SIERP
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I tried spraying the wires tonight an the number one cylinder spark plug wire was arcing, think you hit it right on the head,,thanks
Jan 29, 2011 at 12:55 AM
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JACOBANDNICKOLAS
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Honestly, can you believe how some of the cheapest and easiest things find the problem. The guys I work with spend thousands of dollars on expensive tools, scanners... and they laugh at me. When I went to school for mechanics, many years ago, I had a great teacher. He fould the easiest ways to find problems and passed it on to the students who wanted to learn, and the things he did always made sense. Now you just learned one of the things he taught me. He's passed away about 4 years ago but up until the end, he was a great mechanic. Today's cars have all the computers, modules, sensors... on them and are much different in that way, but for an engine to run, they all need the same things. He said don't worry how it works but why it works. Once you understand why, then the how part will come to you

Let us know if you have questions in the future and take care of yourself.

Joe
Jan 29, 2011 at 2:17 AM