Question about Chevrolet TrailBlazer EXT
I HAVE REPLACED TWO COILS IN MY TRAILBLAZER ALREADY NO.2 AND NO.3 AND NOW NO.4 IS OUT WHY IS THIS HAPPENING SHOULD I JUST REPLACE THEM ALL BUT I DO NOT UNDERSTAND WHY THEY KEEP GOING OUT AT ALMOST 80.00 A COIL AND 170.00 AT GARAGE THAT FOUND FIRST ONE OUT IT IS GETTING EXPENSIVE
Welcome to the world of car repair! Would you please hear this? For the last many years, cars have been designed by people, but before being put into production, they are sent through a process with a computer where parts are designed to last only as long as the warranty, and that makes parts cost less, and the car makers and everyone involved can make more money. ( Read stockholders.)
Some many years ago, the president of GM, when addressing stockholders, said " We are not in the business to make cars, we are in the business to make money".
Were you to own another make vehicle, you would only experience a different set of problems. Sorry.
Posted on Jan 02, 2014
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Posted on Jan 02, 2017
The likely answer to your problem is that you have an intermittent disconnect in the ignition system. If power supply to the ignition system drops out, some fuel still goes through and when power returns it ignites in the exhaust resulting in a backfire. I would look for a bad ignition switch, or other loose connection that could me making/breaking contact intermittently.
Posted on Jun 23, 2009
replace the busted transistor in your ECU. For Bosch 30011 or 30014 you can use BU323Z transistor for replacement. it´s 100% pin-compatible and released for transistor ignition systems.
Posted on Feb 13, 2010
have look at ur wires that is caming from the car in to the coil it self
Posted on Mar 27, 2010
Testimonial: "Thanks for the info. I did replace coils made in the good ol USA and the car is running much better. Better gas mileage as well. Thanks again."
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