Question about 1985 Toyota 4Runner

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Everything is fine except now no smog due to light not working? bulb is good... what else could it be?

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The problem is Eric, You should of braught a (Dodge) end not a (Toyota) LOL: My suggestion would be to call a (Toyota) dealership,End ask to talk to the shop supervisor, Explain it to him, If they would no what would cause that problem.

Posted on Nov 09, 2012

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Posted on Jan 02, 2017

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SOURCE: i have check engine light

Hi there.... if you take your truck to an automotive place like autozone, they will hook up a scan tool for free and give you the codes. post them here and we can help you from there. we need to know what the codes are in order to help you with the check engine light.

Posted on Jan 02, 2009

daves944
  • 1050 Answers

SOURCE: check engine light on

This is a code that is indicating you have a problem with the "bank 1, O2 sensor 1" heater circuit. Bank one is the side of the engine that has cylinder #1, and sensor #1 is the O2 sensor on that side that is before the catalytic converter. This code sets when the computer senses that it either takes too much or too little current to drive the heater inside the O2 sensor. Typically, most shops would simply put a new O2 sensor in this location as it is ten years old and there is a good chance that the O2 sensor has burnt out However, there is a possibility that the driver circuitry has a problem as well.

I would replace the sensor, I believe it is the one on the passenger side between the engine and the cat. After that, you will have to drive it a bit for the code to cancel, or you could have it reset with a scan tool.

Posted on Mar 23, 2009

  • 184 Answers

SOURCE: How to reset the ''Check Engine'' light on a 1999 Toyota 4-Runner?

http://www.obd-codes.com/faq/reset_obd_codes.php

Posted on Apr 04, 2009

  • 101 Answers

SOURCE: How to reset the ''Check Engine'' light on a 1999 Toyota 4-Runner?

You need to reset the light with a scan tool, the same one you used to read the code in the first place.

Posted on Apr 13, 2009

yotaguy
  • 232 Answers

SOURCE: 1985 toyota pickup.22r,automatic trans,2 barrel

There ar two thermo vacuum switches on the intake manifold,one in the center top by the EGR pipe right next to the valve cover,and one center bottom on the outside right below the carburator,it may be that one of them is not fully opening/closing when the motor is cold.I'm not sure on this as I've never had this problem with my 22R's,hopefully this will point you in the right direction,if you want comment back and I'll research this further(it's 5 in the morn and I cant access my 22r manual)

Posted on May 01, 2009

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