Question about 1992 Toyota Celica

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How to reset the check engine light on a 2002 toyota highlander. it happens everytime they disconnect the scensor tube to get to the air filter. thanks, susan

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If the battery is disconnected, you will need to take it to a Toyota dealer, spend 30.00 for them to pull the codes and reset the radio. I would suggest that you tell them to write down the codes so you can use them the next time you change your battery. They are not rolling codes, and always remain the same, so once you have them, keep them in a safe place.

Posted on Oct 21, 2008

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That means that the sensor must be replaced.

You can turn temporarily off the light by disconnecting battery for five minutes, but it will probably come back.

To fix it completely, take it to a garage and have the problem fixed.

Note: when you unplug battery you may be asked car radio security code afterward.

Posted on Oct 10, 2008

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Check engine light and vsc are on in my 2003 highlander-----it runs fine----whats the matter


I have found that when someone checks or changes the air filter, they disconnect one of the tubes going to the air filter. This triggers the codes to come on.

Nov 05, 2010 | 2003 Toyota Highlander

1 Answer

2002 Toyota Highlander 2WD, 4 cylinder


Welcome to FixYa. I'll be glad to help you out.

Code P-1150 indicates an Air-Fuel sensor range/performance issue.

The air fuel sensor is similar to an oxygen sensor, but it does a different job.

Without in-depth analysis on a scan tool that can read the output of the A/F sensor, it is hard to tell you exactly what is happening, but prior experience indicates that you probably need to replace the A/F sensor.

You would do well to purchase a genuine Toyota A/F sensor, as the cheaper 'aftermarket' units do not perform well; your check engine light may remain on after you replace the sensor with an aftermarket

Thanks for choosing FixYa for advice.

Mar 09, 2010 | 2002 Toyota Highlander

1 Answer

I took my 2002 Toyota Highlander to autozone because the check engine light was on. They told me it was code P1150 - manufacturer air/fuel metering. Is this an oxygen sensor? My Toyota is a 2WD 4 cylinder....


Welcome to FixYa. I'll be glad to help you out.

Code P-1150 indicates an Air-Fuel sensor range/performance issue.

The air fuel sensor is similar to an oxygen sensor, but it does a different job.

Without in-depth analysis on a scan tool that can read the output of the A/F sensor, it is hard to tell you exactly what is happening, but prior experience indicates that you probably need to replace the A/F sensor.

You would do well to purchase a genuine Toyota A/F sensor, as the cheaper 'aftermarket' units do not perform well; your check engine light may remain on after you replace the sensor with an aftermarket one.

Thanks fopr choosing FixYa for assistance today.

Mar 09, 2010 | 2002 Toyota Highlander

2 Answers

I took my Toyota to autozone because my check


oxygen sensor bank 2 sensor 1
do you have a 6 cylinders engine?
this sensor is on the rear bank ( next to the fire wall ) before the cat

Mar 06, 2010 | 2002 Toyota Highlander

1 Answer

THE VSC LIGHT CAME ON AND THE ENGINE LIGHT AT THE SAME TIME


check to make sure your hoses located behind the air filter are connected. many times they come loose when the filter is checked during routine servicing & oil changes. This can cause the trouble lights to come on. You may need to disconnect the battery for a few seconds to reset the lights.

Jul 07, 2009 | 2002 Toyota Highlander

1 Answer

Check engine and svc light came on Toyota Highlander 2002


Check vacuum hose has come loose or gone bad from back of air filter box?

Nov 14, 2008 | 2002 Toyota Highlander

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