Question about 2001 Toyota Sienna

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Hesitates and bucks

Had water pump and timing belt replaced on 2001 toyota sienna, now when engine is cold the car hesitates and bucks

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Need to recheck timing marks if this started when you replaced t-belt.

Posted on May 21, 2009

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ENGINE HESITATES WHILE ACCELERATION

LOSS OF ACCELERATION


It can be fuel pressure issue or it's the problem with accelerator pedal or its clogged filters causing there.

There are many other possibilities. I suggest you to go through the list of help links mentioned below, these will help you to confirm where the actual fault lies: -------

Jerks and Hesitates During Acceleration?

http://technoanswers.blogspot.in/2012/07/2004-dodge-town-country-jerks-and.html

-----------

Loss of acceleration?

http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html

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Headlights flickering and car hesitates to start?

http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html

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How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html

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http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

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http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-engine-lean-codes.html

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http://whatisbyme.blogspot.in/2012/05/2004-toyota-avensis-acceleration-and.html

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http://technoanswers.blogspot.in/2012/04/wheel-hop-under-hard-acceleration.html

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2009 Chevy impala accelerator pedal sensor?

http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

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http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

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ENGINE HESITATES WHILE ACCELERATION

LOSS OF ACCELERATION


It can be fuel pressure issue or it's the problem with accelerator pedal or its clogged filters causing there.

There are many other possibilities. I suggest you to go through the list of help links mentioned below, these will help you to confirm where the actual fault lies: -------

Jerks and Hesitates During Acceleration?

http://technoanswers.blogspot.in/2012/07/2004-dodge-town-country-jerks-and.html

-----------

Loss of acceleration?

http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html

---------

Headlights flickering and car hesitates to start?

http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html

--------

How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html

-------------

How exactly Vehicles Accelerator Pump Diaphragm Works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

--------

2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-engine-lean-codes.html

---------

2004 Toyota Avensis: Acceleration And Deceleration makes noise on Front End?

http://whatisbyme.blogspot.in/2012/05/2004-toyota-avensis-acceleration-and.html

---------

Wheel hop under hard acceleration?

http://technoanswers.blogspot.in/2012/04/wheel-hop-under-hard-acceleration.html

--------

2009 Chevy impala accelerator pedal sensor?

http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

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http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

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http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html

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These details will help.

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My truck is lagging when I drive.. Everthing works it just feels slower then normal.. It's a Chevy Tahoe 1999 2 door..


ENGINE HESITATES WHILE ACCELERATION

LOSS OF ACCELERATION


It can be fuel pressure issue or it's the problem with accelerator pedal or its clogged filters causing there.

There are many other possibilities. I suggest you to go through the list of help links mentioned below, these will help you to confirm where the actual fault lies: -------



-----------


Acceleration lag problem?

http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html

------------

Jerks and Hesitates During Acceleration?

http://technoanswers.blogspot.in/2012/07/2004-dodge-town-country-jerks-and.html

-----------

Loss of acceleration?

http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html

---------

Headlights flickering and car hesitates to start?

http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html

--------

How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html

-------------

How exactly Vehicles Accelerator Pump Diaphragm Works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

--------

2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-engine-lean-codes.html

---------

2004 Toyota Avensis: Acceleration And Deceleration makes noise on Front End?

http://whatisbyme.blogspot.in/2012/05/2004-toyota-avensis-acceleration-and.html

---------

Wheel hop under hard acceleration?

http://technoanswers.blogspot.in/2012/04/wheel-hop-under-hard-acceleration.html

--------

2009 Chevy impala accelerator pedal sensor?

http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

---------

Nissan Pathfinder stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

--------

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These details will help.

Thanks.

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The vehicle has done about 186,000 miles. Engine Check light is on and fault code Po420. the vehile hesitates when trottled. have cleaned nossles and changed plugs to no avail


Hello: Code P0420 is indicating a catalytic converter that is below efficiency. To repair and remove light the converter has to be replaced, but before replacement you need to make sure the engine is not running rich. If running rich it will destroy the new converter in a short time.

Jan 09, 2011 | 2001 Toyota Sienna

2 Answers

I have a '98 Toyota Sienna with 54,000 miles on it and I was wondering when I should have the timing belt replaced? Also, I have heard that it is a good idea to replace the water pump with the timing...


Scheduled Maintenance Services, for most Cars, has to be done at 30K, 60K, and 90K. Toyota recommend to replace the timing belt at 90K Service.
If you wait, one of two things could happen: Nothing, or the belt could break and you would be out thousands to repair the engine instead of a $400 hundred to replace just the belt. If it breaks, there will be damage done to the valves and various other internal components, which will not covered under warranty. The problem is that the Dealer would charge you between $700-$800 because they would also replace the water pump at the same time. Or you can buy the timing belt and change it by your self. To do so, you nee the Haynes Repair Manual specific for your car, or another equivalent manual.
To be safe, have the timing belt changed before the 95k mile mark ...... AND have the water pump replaced with a NEW one.
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Oct 31, 2010 | 1998 Toyota Sienna

1 Answer

Chsnged water pump and timing belt now hesitates


Is it possible that the cam shaft is one tooth out. This can happen as you tension the belt. This is probably your problem if the car was running fine before and this was the only work you did. Remember to spin the engine round for two revolutions using a spanner on the crankshaft pulley with the engine switched off. If the engine locks up or it is stiffer than it should be at any point, you have a valve touching the piston so do not start it, go back and try and get the marks to line up before trying again. This will require you to loosen the timing belt again.

Mar 23, 2010 | 2000 Toyota Camry

2 Answers

When should you replace timing belt on Toyota Sienna van? It's a 1999 model with 210,000 kms on it and I need a new water pump. Should I replace the timing belt at the same time?


Somewhere between 90,000 mil;es and 120,000 miles you should do your timing belt. But first make sure you do not have a timg chain. If you have a timing chain, you never have to change it at all.

Sep 08, 2009 | 1999 Toyota Sienna

1 Answer

P1346 and p1351 code from toyota sienna 2001, new timing belt


yes your out on the timing marks, set it to zero remove the top cover and check the marks

Apr 04, 2009 | 2001 Toyota Sienna

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