95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

1998 3.4L 270k motor issues

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Old Apr 25, 2014 | 04:55 PM
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brendan35's Avatar
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1998 3.4L 270k motor issues

Motor is starting to not run smoothly, and lost power going up a hill the other day, like it was missing a cylinder. The noise coming out of the exhaust pipe has changed as well, like it is vibrating more. Noticed a little oil under where the vehicle is parked, and some oil on the top of the engine block. Not sure what is going on but the last timing belt change was at 130k, so I am going to get it replaced. Any recommendations on what to get replaced while I have the timing belt and water pump replaced?

Thanks
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Old Apr 25, 2014 | 05:21 PM
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HighLux's Avatar
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From: Ofallon Missouri
oil plugs wires pcv o2 sensors I could make a list if it has 270k on it.

Anything tune up related. Your mechanic will be the best judge if you are not the type.
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Old Apr 25, 2014 | 06:01 PM
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rworegon's Avatar
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From: Columbia River Gorge, Oregon...east side
Timing idler bearings, timing belt tensioner, auxiliary belts, thermostat, cam and crank seals, valve cover gaskets if they are leaking, flush and fill radiator with new coolant, air filter, fuel filter, change differential and transfer case fluids, inspect brakes.......The list could get long.

Welcome to YT!

Last edited by rworegon; Apr 25, 2014 at 06:03 PM.
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