Question about 1996 Toyota RAV4

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I have a problem with my toyota rav4 1996 the check engine light is on it gives me on the scanner the error code 33. Any help will be appreciated. Regards

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A code 33 should be fir the MAP (Manifild Absolute Pressure) Sensor. The most common problem is cracked or broken vacumn lines. Check them first. May have to change MAP Sensor which is a simple job

Posted on May 11, 2010

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Posted on Jan 02, 2017

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Got missing problem which was fixed after injection coil and one spark plug rusted by water was cleaned but the missing reappears at high speed in my toyota corolla 2003 1.8E. how can i fix it?


These days an engine light mostly should be turned off using either a code reader or a scanner. Some might still turn themselves off when the fault is fixed but that facility tends to be related more to the old days when shorting a couple of obd socket pins would cause the engine light to blink out the codes. In those days disconnecting the battery used to clear the codes and reset the defaults.

Knowing why the engine light is on would be a helpful clue to what sort of things to test and maybe repair or replace and for that a code read is the best way, though a code should never be considered a repair instruction.
Best practice is basics first. A thorough visual check of the engine compartment and ensure the routine maintenance is up to date and competently completed. You know the coil and spark plug has been giving trouble so revisit those items, all of them, for further checking and testing the spark power and quality.

Once you are satisfied all is in order, clear the code and roadtest. If the light comes back on you will need to delve further...

Apr 30, 2017 | 2003 Toyota Corolla

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Iscv 33


There is a digital stepper motor installed in the idle air control valve and it is operated by the ecm after taking all the outputs from various sensors.
Check engine light error code 33. The idle air control valve circuit open or shorted to ground. There could be three possibilities which can trigger this code and the check engine light comes on.
1. Check the wiring harness for open circuit or short to ground. Check the idle speed control valve connector for looseness,corrosion of poor contacts. Jiggle the harness at various places to find any damaged wire.
2. Idle speed control valve defective. (replace. Merely replacing the electronic part of the valve can also solve the problem)
3. ECM defective. (replace)

Dec 12, 2013 | 1999 Toyota Corolla

1 Answer

WHAT DOES THE LIGHT CHECK MEANS


If you mean the "Check Engine" light, your car's onboard computer has detected an error in one of the car's systems. When this happens, the Check Engine light illuminates and the computer sets and stores an error (DTC) code that can be read and interpreted by attaching a code scanner. Most larger auto parts stores have these scanners available for use at their location, and many will even read and interpret the code(s) for you (they ARE in the business of selling auto parts, right?) Good luck.

Oct 08, 2013 | 2003 Toyota Corolla

1 Answer

Check engine light stays on


Check engine light comes when there are error codes stored in the cars computer.It's advisable to get car scanned at diagnosis center to get error codes, At diagnosis center you will receive the error code. As per the error code it will detect the exact faulty part in the car due to which the problem is occurring. For more help: --- at www.autozone.com it's absolutely free to get car scanned.

Thanks. keep updated for any more query.you can rate this solution and show your appreciation.

Sep 28, 2010 | 1996 Toyota Avalon

1 Answer

Check engine light flashes and stays on .


You need to get a scanner hooked up to see what error the computer has found. It will give a code. Some auto parts chain stores will do this for free.

Aug 10, 2010 | 1999 Toyota Tacoma PreRunner

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Check engine light just came on. Oil ok. could it be caused by a dirty filter?


The check engine light is triggered by trouble codes which means something is wrong with the emmissions systen, transmission, motor sensors etc. A dirty oil filter will not trigger a code. You need to scan the car with an OBDII scanner to get the codes. Once oyu have the codes post them here and we can help you. If you don't have a scanner you can take the car to your local auto parts store, they'll scan for free and give you the codes.

Jul 03, 2010 | 2003 Toyota Avalon

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Error code p0441 on toyota rav4 97


The code indicates a leak in the evaporative system. 90% of the time it is a faulty gas cap.

Feb 25, 2010 | 1997 Toyota RAV4

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How can i check for error codes?


There is no built in way of checking codes without the use of a scantool.
There are several low priced but very basic scanners available at auto parts stores, ranging from $25-75 for basic scanning..

Many auto parts stores will scan your codes for you free of charge (in hopes of selling parts).
AutoZone, Advance Auto Parts, and O'Reilly are 3 stores that offer free check engine light scanning.

Oct 22, 2009 | 2003 Toyota Highlander

1 Answer

How do I switch off the Check engine light in a 2001 Toyota camry so I can see if it come back again. Please give me the exact steps because I have tried other steps listed for other model Toyotas and it...


you need a scanner to turn off light . take scanner to read code. you got a bad sensor thats why check engine light comes on. its not going to turn off until you fix it. the light is warning you.something is wrong.

Apr 03, 2009 | 2004 Toyota Corolla

1 Answer

Check engine light doe not come on even if there is an error code


the computer often stores minor error codes and indifferences to help in trouble shooting in case a major problem occurs

Nov 30, 2008 | 2001 Toyota Corolla

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