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You are watching: 2002 chevy trailblazer 4.2 firing order

Hello! This is my an initial post....I need the Firing order Diagram for a 2007 Chevy Trailblazer, 4.2L 16 4x4 ....I"ve been browsing the internet and get everything but!!! :bonk:

From what i remember, it"s 1, 2, 3, 4, 5, 6 starting at the fan and going ago towards the firewall :undecided
Horsepower is how quick you fight a wall, speak is how far you take the wall surface with youTHESE big RED LETTERS assist ME uncover MY POST

From what ns remember, it"s 1, 2, 3, 4, 5, 6 beginning at the fan and also going back towards the firewall :undecided
2002 Oldsmobile Bravada:
4.2L I6 w/ G80 Locker, AWD, TBSS springs, HD bilsteins, 6000k HIDs, Mobil1, Iridium Plugs

#1 cylinder is to the former in every car, truck, or tractor I"ve ever seen, consisting of our centregalilee.coms.

Thanks Roadie,I found that out just a second ago. I am going come buy new plugs because that the old girl she has actually 66k even though I doubt it is the coil.

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Ok I"m gonna gain beat up here. Ns pulled #1 and #2 plugs the base of the plug where the porclain meets the base to be brown and discolored. Both the the plugs were the same so I understood this as normal. The electrodes at the same time were fried. Shame on me this look like initial plugs. The electrode looks really worn and the plug has a melted deposit top top the end making the void smaller than .040. Both plugs look the very same so i think ns am ok simply left castle in as well long. Castle are more white than tan yet I just ran two tanks of fuel injector cleaner thru the system. Are these platinum plugs? ns dont think so due to the fact that the organization interval was at 30k the tb has actually 69k ~ above it. If stock plugs it s long this lengthy I will usage them again uneven you guys tell me miscellaneous different. I likewise cleaned the throttle body as soon as I remained in there and that to be nasty also. Should I additionally replace the coil pack seals if i"m in there and am I missing anything else. It was just 2 beers and around 15 minutes. The original issue was it was running rough for a few days and also I called my mam I suspect the light would certainly come ~ above soon and it did yet the light to be not remaining on.Thanks,Snowmonkey!!!!
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