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Why does my 2003 toyota previa have limited throttle after having replacement injectors fittedtoyota previa faults

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  • Cars & Trucks Master
  • 3,679 Answers

Have the OBD codes read as they may just need clearing if the injectors weren't fitted in accordance with the procedures laid down by toyota

Posted on May 10, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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

  • 3 Answers

SOURCE: 1992 Toyota Previa van,Oil dripping onto exhaust manifold, replace head gasket? need a free manual!

The toyota previa uses a formed silicone gasket for the valve cover and the cover is held in place by metric shoulder bolts ( 10mm). The valve gasket leaks because you can't get enough preload on the bolts to re-seat the old gasket when it gets old and shrinks. The shoulder bolts only allow you to tighten the gasket enough to seat the shoulder on the bolt. If you continue to torque down the suspected bolts, you will snap the bolt off ( don't ask me how I know this ). You can either 1.)replace the old gasket with a new one or 2.) remove the existing bolts around the leak area and put in new metric bolts that do not have a shoulder. You may want to put in a small sleeve into the existing bolt hole but shorter than the thickness of the valve cover to account for the smaller diameter bolt. You can now torque down the bolt and get enough preload to seal the valve cover without removing the old gasket. Make sure you use a torque wrench ( in-lbs) or be very careful not to snap these small valve cover bolts.

Posted on Jul 15, 2009

  • 3 Answers

SOURCE: where is the flasher on a 1994 toyota previa

The flasher is bolted to the firewall behind the right side of the instrument panel and you can't get to it from underneath the instrument panel. You will have to remove the center console fascia to get to the instrument cover screws and remove the instrument cover. Then you can get to the instrument holding screws and move the instrument panel out of the way. Either a service manual or AutoZone.com will have this information and pictures. Replace the flasher with a genuine Toyota flasher relay. The aftermarket relays might look like they fit but I have found out they don't work properly. The flasher is bolted to the firewall with a 13mm bolt. Take out the bolt and replace the flasher.

Posted on Jul 16, 2009

  • 2 Answers

SOURCE: Toyot Previa - high mounted stop light

This is slightly counter-intuitive, but the plastic lens needs to go in and up before it comes out. After removing the two screws, use something thin and flat to pull down on the underside painted part of the wing between the two screws. A little bit of prying downwards. Two raised lips become visible - they are holding the lens from being able to be pushed up and in. A second pair of hands could help. Then use your thumbs on the lens close to the screws, gripping with your fingers on the top of the wing and squeeze up. POP!

Posted on May 18, 2010

mickha2
  • 145 Answers

SOURCE: How to replace dash light bulb of 1991 Toyota Previa Van

pop fuse cover, remove vent housing, remove speedo upper cover, remove 4 bolts holding speedo remove speedo, change bulb

Posted on Aug 17, 2010

NomadTrucker
  • 166 Answers

SOURCE: I have a 2002 Toyota

First thought is ignition being way off - the ignition system usually gets the crankshaft position from a proximity switch (crank position sensor) and calculates ignition timing from this pulse. When this switch gives faulty pulses everything is off. Check connector and cable and if possible test it.

Posted on Jun 29, 2011

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replace the injectors as what you describe is more injector / fuel pressure problem that ignition

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The compression is the same for all cylinders(150), but when I turned motor over, water came out of #1 cylinder only. Any idea?


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We just brought a 2003 toyota tarago previa on the weekend, now the malfunction indicator light has come on...it drives great otherwise..


You need to have an OBII scan done (fault scan) Any good parts store (Autozone, Advance, etc...) can do it for you for free. They wool pull codes and it will identify what triggered light.

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My 2003 Toyota Previa (diesel, with ABS) brake warning light on dashboard lights on after pressing brake pedal a couple of times and when it lights off pedal goes slowly all the way down to the floor. In...


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try running an injector cleaner thru the system.
you may have a dripy injector.

Nov 10, 2009 | 1993 Toyota Previa

1 Answer

I had the same problem also on my 1994 previa supercharge


u mean is knocking noise?
i think it came from the shaft in front of engine that drives the accesories pully in front. when the a/c is running or the rpm rise up a bit, the noise is gone. try go under the vehicle and spot where the noise come from. as i know is come from the shaft in front of the engine. the coupling need to be replace.

Jul 22, 2009 | 1995 Toyota Previa

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