Question about 2004 Chevrolet Blazer
Google image search "2004 Blazer (engine size) secondary air injection blower"
It looks very close to something like this
Posted on Mar 28, 2015
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Posted on Jan 02, 2017
you have to drop the oil pan to get to it...once the oil pan is off there are 2 bolts that holdthe pump in place,,,you will also need a new screen for the new pump.
Posted on Jan 03, 2009
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.
Posted on Oct 30, 2011
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