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How to change toyota prius 2003 spark plugs - Prius Toyota Cars & Trucks

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: how to change a headlight light bulb on toyota prius 2006?

they are usually changed from inside the engine compartment. you should be able to gain access to the bulb behind each headlight bazel. the socket often has to be turned to remove it. be careful not to touch the new bulb with your fingers as that will shorten it's lifespan. you may have to remove the battery if the burnt out bulb is on that side.


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Posted on Apr 15, 2009


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I need the location of the spark plugs on my 2004 toyota prius

Underneath the relay box in the back. They have their coils above them. Refer to this link for a nice how-to. Photo Essay How To Replace Prius Spark Plugs

Jan 04, 2018 | Toyota Cars & Trucks

1 Answer

I just bought a 2005 Prius..what are some tips for a new Prius owner? Things I need to know? Also can I turn off the beeping when in reverse?? Its annoying! Thanks

you have two coolant systems on a hybrid. both systems should of had the coolant changed (due @100k). Spark plugs should of been changed (due @120k). those re the two high mileage maintence items I would be sure were done. Toyota dealer can change the beep to a single beep instead of a constant beeping.

Mar 14, 2017 | 2005 Toyota Prius

1 Answer

And changed gear from neutral to park and tried starting. but it won't start again when i tried. is it ignition box problem or anything else ?

You can check the ignition module by pulling a spark plug wire and inserting an old spark plug. Any plug should do, just make sure to rest the base of the plug to a good ground source. Crank the engine while someone looks at the plug for spark.

Aug 09, 2014 | 2001 Toyota Prius

1 Answer

Prius rough engine

Poor engine performance could be due to:
1. Engine Compression.
2. Electronic throttle control system.
3. Fuel Injector/ Injectors.
4. Fuel pump control circuit.
5. Spark plug.
6. Mass Air Flow Sensor (MAF).

Feb 23, 2014 | 2005 Toyota Prius

1 Answer

User's manual

Just downloaded a PDF version of the service manual for $6.85 (via paypal) at

Doesn't completely solve my problem, but at least there is a diagram.

Sep 22, 2012 | 2003 Toyota Prius

1 Answer

Not getting right gas mileage it seems like filled the tank and got only around 350 mile to the tank?

Have you checked your fuel filter? Also, changing your spark plugs can give you better gas mileage too.

Jan 13, 2011 | 2003 Toyota Prius

1 Answer


the sensor switch will tell the computer to disable the fuel pump and the electric system. on alot of cars.Check with toyota for the exact location of the g force sensor switches.they are usually on the uniframe rails

Feb 12, 2010 | 2003 Toyota Prius

1 Answer

2003 Toyota Prius Hybrid, Power Steering problem

I don't know about hybrids, but on most vechiles, you check power steering fluid with engine running.

Jun 23, 2009 | 2003 Toyota Prius

2 Answers

Toyota Prius starting problem

There's a known problem with the early Toyota Prius (2001 - 2003), when running the engine for a long period of time without moving or when the car is driven only for short trips (short city driving), the Prius might not start.

You have to change the original battery with a 356 CCA which is bigger because the battery is bigger you also have to change what is holding it into place.

Jul 22, 2008 | 2003 Toyota Prius

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