Tune-Up Help
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Senior Member
Joined: Feb 2000
Posts: 149
Likes: 0
From: Keller, TX
Tune-Up Help
Hope this is the right place for this post.
Sorry if I sound ignorant, but all of my previous pickups (unfortunately they were Chevys, but never again!) had 4 bbl carbs and distributors. What is involved in a tune-up on the 4.2L? Just plugs and wires, or is there something you are supposed to do with the timing? I figured that all of the timing was computer controlled (hence, the performance chip) but I'm not sure what else there is to do on these new-fangled, no-distributor-having, EFI contraptions. Any help here would be appreciated.
Sorry if I sound ignorant, but all of my previous pickups (unfortunately they were Chevys, but never again!) had 4 bbl carbs and distributors. What is involved in a tune-up on the 4.2L? Just plugs and wires, or is there something you are supposed to do with the timing? I figured that all of the timing was computer controlled (hence, the performance chip) but I'm not sure what else there is to do on these new-fangled, no-distributor-having, EFI contraptions. Any help here would be appreciated.
Senior Member
Joined: Dec 1998
Posts: 195
Likes: 0
From: California
I Also have a 4.2. The only thing you can change are the plugs and the wires. Can't set timing and no points to change. That leaves plugs, wires, fuel and air filters.
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99 XLT 4X4 Reg Cab, Sport Package, 4.2 with 5 speed, 265/70/17 tires, 3.55 axle, 4 wheel discs and 4 wheel ABS, K&N air filter, a Dynamax Race Magnum muffler, Redine synthetic lubricants in motor and trans and a Kenwood CD stereo system.
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99 XLT 4X4 Reg Cab, Sport Package, 4.2 with 5 speed, 265/70/17 tires, 3.55 axle, 4 wheel discs and 4 wheel ABS, K&N air filter, a Dynamax Race Magnum muffler, Redine synthetic lubricants in motor and trans and a Kenwood CD stereo system.