Question about 2001 Toyota Tacoma

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P0450 trouble code

Ant one have any ideas what I should replace first?

Thanks

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Your vehicle has whats called a OBDII diagnostics setup. Just google "2001 Toyota Tacoma, OBDII trouble codes". You should get a whole page full of responses. (Type in exactly what is in exclamation marks above) Once you have codes, scroll down to PO450. Remember, whatever sensor/circuit it refers to, means there is a problem with the circuit, the sensor, ie..wiring, bad connector, bad ground, short, open, and so on. Dont just change out part without first examining the wiring and connectors first. Common sense goes a long way with this sort of troubleshooting.

theroad

Posted on Apr 19, 2009

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BAD GAS CAP (LEAKING O-RING) OR OXYGEN SENSOR BEFORE THE CATALYTIC CONVERTOR NEEDS REPLACED.

Posted on May 20, 2009

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Hello I have a 1997 toyota Camry with 182000 miles on it. When I started my car my check engine ligth stay on. I went to Auto Zone to get it troubleshooting and a code P0450 came up it also states...


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If I remeber correctly there was a recall on the charcoal canister but your out of the mileage warranty. I do know that if everything checks out and a problem cannot be found than your suppose to look at the number on the computer it may need to be replaced if it matches the numbers that have been updated to resolve this issue.

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Have a code P0450


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Toyota T100 OBDII Code P0450 - Pressure Sensor Malfunction


P0450 deals with the Vapor Pressure Sensor, in the fuel tank vapor circuit. Buying a charcoal canister would not cure this.
Go to a Toyota dealer and tell the parts guy that you want a
Vapor Pressure Sensor.
It is on the vapor line, before the charcoal canister.

After you replace the sensor, remove the EFI fuse to clear the code.

I hope that this answers your question.

Please rate my assistance level with a FixYa rating
(4 blue diamonds)
Thanks!

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