Question about 2005 Chevrolet Silverado
Vacuum leak, tear in the air duct between the MAF and throttle body. Have it scanned to see what the fuel trims show. A vacuum leak will cause the PCM to add more fuel to correct a lean condition. That'll cause misfires and load the converter, causing it to melt down and restrict exhaust. Sound like you're throwing parts at it instead of diagnosing the problem
Posted on Dec 05, 2017
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Posted on Jan 02, 2017
On the chevy v6 engines it real comon to have intake leaks.I would try spraing carb cleaner around the intake while the car is running and see if it changes the way it runs.If it does that is your problem.If the intake has a leak it will **** extra air in and cause a missfire.
Posted on Mar 03, 2009
When it runs really rough is there alot of black smoke? Could be the fuel pressure regulator diaphram, real easy to change on that TBI...
Posted on Apr 01, 2009
Check your fuel pressure, and or injectors. You may have too much fuel getting into the engine causing it to burn rich and overheat the converters.
Posted on Apr 26, 2009
Yes it will help car run better. Take off any hose that goes to card so that you can see down throttle bore. Start car. Grab throttle linkage and figure out how to move it so that you can make the engine go faster. Begine to spray inside throttle body using little red hose that came with carb cleaner. While you are spraying the engine will try to cut out move the throttle linkage to speed up the engine so it won't cut out. Keep spraying all around inside and outside throttle bore.
Posted on Aug 07, 2009
actually it works in battery. check the coil associated with the RPM meter or if your battery charge is low recharge it. You ll get it fixed :) Please rate this!!
Posted on Aug 16, 2009
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