2003 Chevrolet TrailBlazer "ac delco plugs spark" Questions

...plugs in a 2002 chevy trailblazer? Visit www.trailvoy.com and do a search on "how to replace spark plugs", you will find threads describing the process. Make sure to use AC Delco Iridium 41-103

what is the spark plug gap for 2001 gmc sierra 5.3 liter ( ac delco) you can not gap the spark plugs in all new cars and truck. they use a platinum plug that can not be re gapped

...where to start I hope you used AC Delco plugs. Make sure the spark plug gaps are correct. Also, make sure you torque the spark plugs to manufacturer's specification. This would be a good start. ...

...but AC Delco 41-103's TB's love these. You can get them at the dealer, but can get them cheaper from someone like Autozone. Our TB's don't like the normal replacements you find at autoparts

...on top of the spark plug. Probably have one or more that isn't seated correctly. Also, use AC-Delco replacement plugs, TB's love these. You'll have smoother idle, than using say an Autolite or

what spark plug to use for trailblazer LT 2007 For the I6 engine, AC Delco 41-103

what are the spark plugs gap for a 2004 chevrolet trailblazer? Gap should be 0.043" and make sure to use AC Delco 43-103 exclusively. These are the OEM and work best in this vehicle.

...AC Delco 41-103, a little more than off brands, but will idle better than any other plug. If this doesn't work, replace the coil pack on cylinder 1. One of these will fix the problem. Also, check the ...

...AC Delco 41-103's Radiator flush But these things should be done also, if not done already.... Clean your throttle body, this should be done more often than, maybe once a year... Transmission filter ...

...This sounds like a failing fuel pump. If the power is on and you loose pressure the pump is bleeding by. Replace with an AC Delco pump only this has been an on going issue with after market