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Check engine light comes on sporadically on my 2001 Toyota Sienna.

How do I check this

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  • Cars & Trucks Master
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You'll need to have someone scan the computer for trouble codes.
Most auto parts stores will scan for free in hopes of selling you some parts. The trouble codes are only a guide as to what needs to be checked.

Posted on Apr 20, 2013

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Posted on Jan 02, 2017

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  • 26 Answers

SOURCE: 2001 Sienna VSC/Trac/Engine Light

Toyota Specific Trouble Codes
P1135 Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1)
If you have changed the proper sensor then you may need to have the cam shaft looked at.

Posted on Dec 16, 2008

  • 1 Answer

SOURCE: How do I replace the Rear Brake light bulb of 2001 Toyota Sienna?

I have a 2001 Sienna and have had to replace most of my tail light bulbs.

The bulbs that are mounted in the fender (wrap arounds) have acess panels in the van's interior that easily pop out and expose the back of the light assembly.

However, the bulbs that are found in the lift gate are a different matter. You have to remove the whole interior panel to the lift gate to expose the light assemblies. Go to your auto parts store and get a tool to help pop out the plastic retainers from the lift gates metal frame. Don't force the retainers out. Go slowly and gently so that you don't damage the interior panel. If you are really gentle you might even get to reuse the retainers.

Good luck!

Posted on Jul 01, 2009

  • 1986 Answers

SOURCE: When 1999 Toyota sienna xle check engine light is

If the light was flashing when it came on, then it means your engine is misfiring.

A solid light can mean anything from a loose/faulty gas cap to a transmission issue.

This light comes on when the computer detects a fault of some sort in its diagnostic tests. If it keeps detecting this issue, the light will remain on. If the light turns off, then it has detected that the issue may no longer be present.

In order to find out what the exact reason was for your light, You need to have your car computer scanned to retrieve the code that the computer would have stored when the light triggered. Most garages will do this free of charge. The code will tell you what may have caused the light to initially turn on.

Posted on Oct 05, 2009

wracefans24
  • 1985 Answers

SOURCE: 2001 Ford Taurus - Check engine light sporadic

what is the battery voltage with no headlights on and car running with a multimeter and your light on the dash on?
what is the voltage at battery with car running and headlights on with a multimeter?
It sounds like it is overcharging,

Posted on Jan 11, 2010

dttech
  • 4803 Answers

SOURCE: On my Toyota Sienna 2008, my check engine light,

On most Toyota's that are equipped with Cruise Control (Vehicle Speed Control or "VSC") and with Traction Control System (TCS or "Trac") all of these lights will come on at the same time if the Engine Control Module (ECM) determines that there is a fault in the engine management system that 1. Prevents the engine from being properly controlled. 2. Prevents the VSC from being properly controlled 3. Prevents the TCS from being properly controlled 4. Any combination of items 1,2, and 3.
Most of the time it is caused by a single fault in the engine management system. Fault codes are codes that are output by the ECM to let a diagnostician know which of the many systems, that are monitored by the ECM, is malfunctioning. To find out what the actual cause is, you must scan the ECM for fault codes then use this information to begin diagnosis of the system that the fault codes point to.

Posted on Jan 25, 2011

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english please. (google translated for you)
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P1346 and p1351 code from toyota sienna 2001, new timing belt


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2001 Sienna VSC/Trac/Engine Light


Toyota Specific Trouble Codes
P1135 Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1)
If you have changed the proper sensor then you may need to have the cam shaft looked at.

Dec 16, 2008 | 2001 Toyota Sienna

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