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jayb
Dodge Dakota
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8/01/2005
16:55:21
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 Subject: what should i do at 123,000 miles?
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i have a 93 318 auto cc v8 4x4. runs fine i think. but it just doesnt seem to get the low end grunt i thought it would. it doesnt seem to get the mileage it should either. i dont think many sensors have been changed recently, if ever. i have all the service records, and i dont see any engine work except the crank sensor. what does everyone here think i should do, to get this back up 100% ?
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Jecht
Dodge Dakota
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8/01/2005
19:01:39
| RE: what should i do at 123,000 miles?
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change your plugs, wires and cap with a brass one. clean your TB. some of that may help your low end grunt. check your vacum lines and see if they are cracked or rotted.
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jayb
Dodge Dakota
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8/02/2005
10:22:56
| RE: what should i do at 123,000 miles?
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what about o2 sensors or other sensors?
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nah
Dodge Dakota
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8/02/2005
12:09:27
| RE: what should i do at 123,000 miles?
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brass cap will do nothing except wear out fast.
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Sneezer
Dodge Dakota
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8/02/2005
12:33:38
| RE: what should i do at 123,000 miles?
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New cap/rotor, wires, plugs, t-stat. Check for a blown plenum gasket in the intake. I guarantee you have one if it has never been worked on. Replace the cat and O2 sensor. Cat is probably plugged. PCV and crank breather filter. EGR valve may also need replaced. New hoses, you existing ones are probably brittle and will crack when you try to remove them. Flush the cooling system and add fresh coolant. Check for cracks on top of the radiator. It is plastic and will crack over time. Oil change and filter, ATF change and filter, Drain the differentials and put in fresh lube. Check for bad ball joints and tie rod ends. Bushings as well.
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jayb
Dodge Dakota
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8/02/2005
15:28:06
| RE: what should i do at 123,000 miles?
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where is the plenum gasket located at?
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Sneezer
Dodge Dakota
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8/02/2005
16:40:06
| RE: what should i do at 123,000 miles?
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Take off your air filter assembly. With the engine off, open the throttle body blades and look inside with a flashlight. If there is heavy carbon buildup or oil pooling in the bottom of the intake, then it is blown. The plenum gasket is part of the intake manifold, and is a frequent problem on these motors. There is an updated gasket set that helps, you can buy a billet belly pan to swap out with the steel one, or you can use The Right Stuff gasket maker.
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jayb
Dodge Dakota
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8/02/2005
16:44:43
| RE: what should i do at 123,000 miles?
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is there another name for the plenum gasket. partsamerica.com doesnt come up with anything when i do a search.
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Sneezer
Dodge Dakota
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8/02/2005
18:04:08
| RE: what should i do at 123,000 miles?
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Check Autozone. I think Rockauto.com also sells some. You can also check with the dealer.
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jayb
Dodge Dakota
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8/04/2005
10:33:40
| RE: what should i do at 123,000 miles?
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where exactly is this gasket located at. ive always worked on chevys and some fords, so i dont know what a plenum gasket is. and i did check down the throttlebody and saw no oil or carbon buildup.
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Sneezer
Dodge Dakota
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8/04/2005
11:28:04
| RE: what should i do at 123,000 miles?
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When you remove the intake manifold, there is a steel plate bolted to the bottom. The gasket goes between the plate and the manifold. When this gasket fails, it allows oil to be sucked up from the lifter valley and into the manifold.
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jayb
Dodge Dakota
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8/04/2005
12:26:56
| RE: what should i do at 123,000 miles?
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cool. thanks. i looked in there and it all looks good. i changed the plug wires the other day, and it seems alot better. could probably use o2 sensors but im gonna hold off on that one for now. 2 months ago i changed the plugs, cap, and rotor. the wires looked fine, but i guess they werent.
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make work
Dodge Dakota
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8/04/2005
12:53:53
| RE: what should i do at 123,000 miles?
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are you looking for real maintenance or do you want to tinker? If you don't have the symptoms of a blown plenum gasket don't touch the manifold.
I gaurantee somebody like you who doesn't know what they are doing will fcuk up their truck.
Man there is some retarded advice on this board.
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jayb
Dodge Dakota
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8/04/2005
15:36:48
| RE: what should i do at 123,000 miles?
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maybe you should read the post azz hole. i said my truck seemed to not have the low end grunt and fuel effiency that it should. then guess what.. some people came up with ideas on what it MIGHT be. so i looked. i also said there wasnt any oil build up in the intake. why would i f with the plenum gasket?
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Sneezer
Dodge Dakota
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8/04/2005
15:56:19
| RE: what should i do at 123,000 miles?
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Is your cat original? Mine was pretty clogged after 175k miles and finally got replaced. If it clogs up it can hurt performance.
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jayb
Dodge Dakota
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8/04/2005
16:21:30
| RE: what should i do at 123,000 miles?
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i dont think it is. i looked under the truck. there is a protective shield over where the cat would be. it keeps the heat off the body or whatever. well, someone dropped that cat, put a pipe in its place, and put a cat somewhere else farther down the exhaust. weird. im sure the cat is good though.
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OBIO3
Dodge Dakota
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8/05/2005
15:17:07
| RE: what should i do at 123,000 miles?
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I bet that poor truck has never had injection cleaner run through it > What a differance that might make
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make work
Dodge Dakota
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8/05/2005
15:41:13
| RE: what should i do at 123,000 miles?
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Do a search here, fcuk wad
" did check down the throttlebody and saw no oil or carbon buildup"
Then your plenum gasket is fine. To do a plenum gasket properly is pretty expensive.
But you sound like the garden variety know-it-all-turd-wit that crops up here from time to time and just has a jones to take something apart and make it "better".
Good luck, moron. You're in over your head and you don't have a clue what you're doing. You're off to a good start and it'll be amusing to see you come back begging for more advice.
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jayb
Dodge Dakota
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8/10/2005
10:22:21
| RE: what should i do at 123,000 miles?
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Message:
i think its you who has no idea what your talking about or what your doing. ive worked on cars and trucks for many years. the only reason i dont know what a plenum gasket is, is cause ive never heard of anything called a plenum gasket on a chevy. im not in over my head. i never have been no matter what i had to work on. so fukk off.
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