Rough Idle
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5th Wheeling
Joined: Dec 2024
Posts: 34
Likes: 9
From: NW FL
Get a quart of 2 stroke oil, add some 2 stroke oil directly into the fuel bowl maybe a quarter of the way and the rest in the fuel tank, that helped my 00 a bit when it it had old injectors. Could also be worn out injectors causing hard cold starts and smoke, you could probably prolong them a little more if short on dinero by shimming them.
Also you mentioned oil loss, does the truck have serious blow by? Has the injector O rings ever been replaced? IMO like I previously mentioned you might want to at least get new injector O rings and shim them in the bench and see if the oil consumption goes down and your hard hot starts goes away.
Also you mentioned oil loss, does the truck have serious blow by? Has the injector O rings ever been replaced? IMO like I previously mentioned you might want to at least get new injector O rings and shim them in the bench and see if the oil consumption goes down and your hard hot starts goes away.
There is zero blow by, all oil loss was fixed when I replace the LPOP with a melling unit and the sleeve on the balancer. To my knowledge and the previous owner (it was his dads truck) all injectors are original with original O rings, looked that way when I pulled the valve covers to torque the rockers and the hold down bolts. If all signs point to Injector issues at this point I’ll keep running her and save up for some injectors, probably spring for a KC and some single shots with a hydra to pep things up slightly. I’m not interested in chasing big power that’s why I haven’t sprung for the injectors/turbo/chip yet. I don’t mind the stock performance and prefer keeping things reliable. Just want to be sure of what is causing the rough idle.
Lead Driver
Joined: Jul 2017
Posts: 6,860
Likes: 2,335
From: WV
Originally Posted by woody18
Thanks! It’s a ‘22 GT500, my uncles but I get to drive it. Pushing about 900 to the wheels as we increased the blower size and it’s running on E85. Been having issues with it hooking up, all that fancy technology doesn’t like the additional power and the big slicks.
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