Question about 2001 Toyota Sienna

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2001 toyota sienna ce, runs good at idle, takes long time to get up to speed (1 mile to get to 40mph), when at 50 and going up bridge, it will slow down 10-15 mph. if accelerated quickly then it will seem to miss or slip. codes p1135, p1155, disconnected battery for 30 minutes, codes still there. note: transmission shifts good if gradually accelerate.

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I would change the transmission filter.if clogged it will slip and loose power on steep upgrades try that it is inexpensive. If that don't help you may need a new transmission.

Posted on Sep 13, 2010

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2000 toyota Sienna side view mirror broken/loose, folds back at speeds greater than about 40mph, replacement or repair instructions would be greatly appreciated.


the spring is probably unhooked or broken. take the panel on the inside of the door right behind the mirror off and there is probably two bolts after that its pretty much self explainatory

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Toyota 2001 sienna


Does this happen when the engine is cold or all the time? You may have a cracked head gasket. does your car use water.
Also have you compression tested the motor. This will tell you if the engine has got lower compression in one of the cylinders which will help to narrow down the problem with the motor.

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2001 toyota sienna, 6cyl 3l, must accelerate very slowly from stop or van seems to bog down badly, may take 2 miles to get to 55 mph, going up bridges it bogs down very badly, diagnostics indicated...


Brake loose connection between cat and exhaust manifold , it will allow exhaust gas to go out before cat , and see if it's restore the power on the engine.
If it does then your cat is clogged.
If not it's also might be Throttle Position Sensor , or Mass Air Flow Sensor.
You can't remove cat , you have to replace it if it's bad. Cat is a part of Emission control system.

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you may have worn front end parts , have frt end checked you dont want to loose your steering good luck.

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the crank position sensor and map sensor is malfunctioning

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